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CONTROL DEVICES OR SYSTEMS INSOFAR AS CHARACTERISED BY MECHANICAL FEATURES ONLY ("Bowden" or like mechanisms F16C 1/10; gearings or mechanisms not peculiar to this purpose F16H; speed changing or reversing mechanisms for gearings conveying rotary motion F16H 59/00 to F16H 63/00)
Definition statement
This subclass/group covers:

Operator control devices (e.g. knobs, buttons, levers, joysticks or pedals) or systems insofar as characterised by mechanical features only, i.e. the element which the operator is manipulating or actuating, to generate control commands.

The following model describes the operator control device:

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A) an operator actuated part (the part coming in contact with the human body to receive a command)

B) mechanisms that do not transmit the command (e.g. ratchet mechanisms, mechanisms with hysteresis, return spring mechanisms)

C) command treating mechanisms (i.e. mechanical systems aimed at transmitting, amplifying, converting or delaying the command received)

D) a commutation part (aimed at performing the final operation, e.g. electric contact being actuated).

If the invention is concerned with A or B, it is classified in respectively G05G 1/00 or G05G 5/00.

If the invention is concerned with C, and the mechanism is a mechanism in which:

1. the ratio of motion or force between the controlling member and the controlled member is altered (e.g. US 2009/0095100 with brake pedal, which includes a mechanism capable of varying a ratio between an output amount of a push rod connected to a master cylinder and an operation amount of the brake pedal),

2. repeated movement of the controlling member produces increments of movement of the controlled member (e.g. US4311060 a parking brake in which, when the brake handle is pulled up, the brake cable is winded around a rotating member. By repeating the above operation of the brake handle, the rotating member is intermittently rotated until necessary length of the brake cable is wound up to effect firm locking of the parking brake), or

3. repeated movement of the controlling member moves the controlled member through a cycle of distinct positions (e.g. US3187602; push button wherein a contact is switched on or off by repeated pushing),

it is classified in groups G05G 7/00 - G05G 13/00

If the invention is concerned with C, and it is not one of the mechanisms under point 1 - 3 above, it is classified in other fields, e.g. H01H, B60K 37/00, F16H 59/00 - F16H 63/00, G06F 3/00, B62K, F24C, etc.

If the invention is concerned with D, it is classified in other fields, e.g. H01H, B60K 37/00, F16H 59/00 - F16H 63/00, G06F 3/00, B62K, F24C, etc.

Examples of places where the subject matter of this subclass is covered when specially adapted, used for a particular purpose, or incorporated in a larger system:

Controls for adjusting operating tables

Controls for adjusting operating chairs

Accessories for games using an electronically generated display

Manipulators or controls therefor

Arrangement or mounting of change speed gearing control devices in vehicles

Arrangement or mounting of propulsion-unit control devices in vehicles

Vehicle brake-action initiating means

Adaptations of control devices for movable vehicle cabs

Cycle steering devices

Rider operated controls for cycles

Brake actuating means for cycles

Marine steering initiating means

Controls for elevators

Control systems or devices for cranes

Arrangements of handles or pedals for crane operation

Control devices for dregging or soil-shifting machines

Automatic clutches

Control for valves

Safety devices acting in conjunction with the control or operation of a machine

Stopping machines on occurence of dangerous conditions

Micromanipulators structurally combined with microscopes

Driving mechanisms in clocks or watches

Digital computers in which all the computation is effected mechanically

Manual computer input arrangements

Converting a pattern of mechanical signals into electric signals

Displacement of solid control elements in nuclear reactors

Mechanisms for operating switch contacts

Mechanical control of resonant circuits

References relevant to classification in this subclass
This subclass/group does not cover:

Means for transmitting linear movement in a flexible sheathing, e.g. "Bowden mechanisms"

Adjustable cranks or eccentrics

Gearings or mechanisms not intended for mechanical control

Speed changing or reversing mechanisms for gearings conveying rotary motion

Special rules of classification within this subclass

Command treating mechanisms, i.e. mechanical systems aimed at transmitting, amplifying, converting or delaying the command received are considered as part of the related application and will be classified in the application place.

Glossary of terms
In this subclass/group, the following terms (or expressions) are used with the meaning indicated:

Controlling member

Knob, handle, lever, disc, wheel, joystick, pedal, etc. , and consists of: Part manipulated or actuated directly by the operator (part A in the model of the operator control device), and the mechanism that does not transmit a command (part B in the model of the operator control device), andthe mechanism that processes the movement (part C in the model of the operator control device) from the operator actuated part to the controlled member.

Controlled member

The controlled commutation member (part D in the model of the operator control device), e.g. electric switch, sensor, valve or gear shifter yoke.

Control mechanism

Mechanism that is the mechanism that processes the movement (part C in the model of the operator control device) from the operator actuated part to the controlled member, and / orthe mechanism that does not transmit a command (part B in the model of the operator control device).

The documentation of G05G is in a process of reorganisation. Some of the informative references might change after the reorganisation of the documentation of G05G.

Controlling members, e.g. knobs or handles; Assemblies or arrangements thereof; Indicating position of controlling members ( { means for preventing, limiting or returning the movements of parts of a control mechanism G05G 5/00; providing feel, e.g. means to create a counterforce G05G 5/03; specially adapted for programme control G05G 21/00; vibration damping G05G 25/02;} joysticks G05G 9/04; steering wheels for motor vehicles B62D)
Definition statement
This subclass/group covers:
  • Parts actuated or manipulated directly by the operator, e.g. knops, handles or pedals
  • Arrangements of the control parts, e.g. arrangements of two or more┬ácontrolling members with respect to one another
  • Indication of the position of a control member actuated by the operator
References relevant to classification in this group
This subclass/group does not cover:

Vibration damping

Means for preventing, limiting or returning the movements of parts of a control mechanism

Providing feel, e.g. means to create a counterforce

Examples of places where the subject matter of this group is covered when specially adapted, used for a particular purpose, or incorporated in a larger system:

Steering wheels for motor vehicles

Control mechanisms, e.g. control leversfor dredgers or soil-shifting machines

Informative references
Attention is drawn to the following places, which may be of interest for search:

Joysticks in general

Specially for programme control

Arrangements of two or more controlling members with respect to one another (double foot control, e.g. for instruction vehicles G05G 1/34; mounting units comprising an assembly with two or more pedals G05G 1/36)
References relevant to classification in this group
This subclass/group does not cover:

Double foot control, e.g. for instruction vehicles

Mounting units comprising an assembly with two or more pedals

Informative references
Attention is drawn to the following places, which may be of interest for search:

Arrangements of handles or pedals in operator's stands or cabins for cranes;

Controlling members for hand actuation by pivoting movement, e.g. levers
Informative references
Attention is drawn to the following places, which may be of interest for search:

Arrangements or adaptations of levers for optical signalling or lighting devices for vehicles, e.g. steering column stalk switches

Brake-action initiating means with a tilting lever

Hand actuated levers for rider-operated controls specially adapted for cycles

Hand levers for brake-actuating mechanisms specially adapted for cycles

Levers or the like for controlling the engine or the transmission specially adapted for spropulsion power plant or units on vessels

B63H21/22B

Details of their grip parts { (G05G 1/10 takes precedence) }
Definition statement
This subclass/group covers:

Grip parts of handles, levers or joysticks

Informative references
Attention is drawn to the following places, which may be of interest for search:

Additional switches or sensors on joysticks

Handles for tools

Constructional features of the selector lever, e.g. grip parts, mounting or manufacturing details thereof

Controlling members for hand actuation by rotary movement, e.g. hand wheels
References relevant to classification in this group
This subclass/group does not cover:

Steering wheels for motor vehicles

Informative references
Attention is drawn to the following places, which may be of interest for search:

Control members, e.g. levers or knobs, for heating, cooling or ventilating in vehicles

Arrangement of fittings of control means on dashboards, e.g. control knobs

Hand wheels for steering vehicles

Control panels of stoves or ranges heated by electrical energy

Adjustable resistors

Using separate operating parts, e.g. a push button surrounded by a rotating knob

Mechanisms with turn knops for operating contacts

{Crank handles (G05G 1/082 takes precedence) }
Definition statement
This subclass/group covers:

Crank levers, foldable cranks with pivots

Example drawing form US2010263476:

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Informative references
Attention is drawn to the following places, which may be of interest for search:

Construction of cranks operated by hand or foot

Operating screening or protective devices for wall or similar openings in buildings with crank handles

{retractable; Flush control knobs}
Definition statement
This subclass/group covers:

Rotable control knops which can be flush mounted in an opening of the control panel. The control member can be extended into a working position or being pushed into a non-working position.

Means for locking the control member in the non-working position.

Example drawing form WO2010038033:

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Informative references
Attention is drawn to the following places, which may be of interest for search:

Mechanisms for selecting, projecting, retracting or locking writing units operated by push-buttons, e.g. mechanisms for ballpoint pens

Switches making use of a heart shaped cam

Switches where the operating part is movable both, angularly and rectilinearly, the rectilinear movement being along the axis of angular movement;

Retractable turn knops for operating switches

{comprising arrangements for illumination}
Definition statement
This subclass/group covers:

Control members using light sources for illumination and often also for indicating position of control member.

Example document DE102008064283 uses two light sources (15, 16) and colour filters for indicating position:

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Informative references
Attention is drawn to the following places, which may be of interest for search:

Light-emitting indicators for switches

Illumination of the symbols or distinguishing marks for switches

Means for securing the members on rotatable spindles or the like
Definition statement
This subclass/group covers:

Means for fixing the control member (e.g. knop) on the shaft of the control mechanisms

Informative references
Attention is drawn to the following places, which may be of interest for search:

Couplings for attaching a member on a shaft end

Means for securing turn knops to a shaft of a mechanism for operating switches

Controlling members actuated by foot
Definition statement
This subclass/group covers:

All control members actuated by foot, e.g. pedals

Informative references
Attention is drawn to the following places, which may be of interest for search:

Arrangements or mounting of propulsion unit control devices in vehicles, e.g. accelerator pedals

Cranks operated by foot power for rider propulsion of wheeled verhicles

Brake-action initiating means with locking or release means, e.g. providing parking brake application

Disposition of foot actuated brake initiating means

Arrangements for, or adaptations to engine control initiation means, e.g. electric pedals

Control inputs for transmission control depending on the position of the accelerator pedal, e.g. kickdown signal

with means to prevent injury
Informative references
Attention is drawn to the following places, which may be of interest for search:

Arrangements or fittings on vehicles movable from an operative to an out-of-the way position for preventing injuries

Arrangements of brake-action initiating means, e.g. disposition of brake pedal with means to prevent injuries in case of collision

Double foot controls, e.g. for instruction vehicles
Definition statement
This subclass/group covers:

Control means with a second control input (pedal) for controlling the same function. A typical example is an additional brake and accelerator pedal for teaching in an instruction vehicle.

Informative references
Attention is drawn to the following places, which may be of interest for search:

Alternative steering-control elements, e.g. for teaching purposes;

comprising means to continuously detect pedal position
Informative references
Attention is drawn to the following places, which may be of interest for search:

Apparatus for, or methods of, measuring force to foot actuated controls, e.g. brake pedals

about a central fulcrum
Definition statement
This subclass/group covers:

Pedal comprising a central pivot axis mostly used for two opposite functions, e.g. accelerating and braking. Example from WO2011007393:

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Informative references
Attention is drawn to the following places, which may be of interest for search:

Conjoint control of propulsion unit and brake system

Means, e.g. links, for connecting the pedal to the controlled unit
Informative references
Attention is drawn to the following places, which may be of interest for search:

Connection means for transmitting braking action from initiating means to ultimate brake actuator

Pedal extensions
Definition statement
This subclass/group covers:
  • Auxiliary pedal members connected to pedal plate or pedal lever
  • Extention rods for pushing the pedal member

Example figures from GB1173337 and FR2862266

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Informative references
Attention is drawn to the following places, which may be of interest for search:

Changing foot controls into hand controls, e.g. for invalid people

Manufacturing of pedals; Pedals characterised by the material used
Definition statement
This subclass/group covers:
  • Manufacturing details of pedals
  • Characteristics of different parts that form the controlling member, e.g. the material used
Special rules of classification within this group

Group G05G 1/503 needs reorganisation because this group does not fit under the scope of group G05G 1/50. Revision request will be launched.

Controlling members specially adapted for actuation by other parts of the human body than hand or foot
Informative references
Attention is drawn to the following places, which may be of interest for search:

Operating or control means for protheses

Methods or devices enabling invalids to operate an apparatus or a device not forming part of the body

Serving devices for one-handed persons

Controlling members specially adapted for actuation by keys, screwdrivers or like tools
Informative references
Attention is drawn to the following places, which may be of interest for search:

Switches operated by a removable member, e.g. key or plug

Special rules of classification within this group

This group is not used for classification

Rests or guides for relevant parts of the operator's body
Definition statement
This subclass/group covers:

Only rests or guides if the rest or guide is integrated with the controlling member, e.g. joystick with a thumb rest.

Foot rests or foot guides
Informative references
Attention is drawn to the following places, which may be of interest for search:

Foot-rests for cycles

Arm rests
Informative references
Attention is drawn to the following places, which may be of interest for search:

Arm-rests specially adapted for vehicle seats

Controlled members; Assemblies or arrangements thereof (interlocking of controlled members G05G 5/08)
Special rules of classification within this subclass/group

This group is not used for classification due to unclear and very broad scope

Means for preventing, limiting or returning the movements of parts of a control mechanism, e.g. locking controlling member (G05G 17/00 takes precedence)
Definition statement
This subclass/group covers:

Mechanisms that do not transmit a command (part B in the model of the operator control device) e.g.:

  • Ratchets
  • Pedal force feedback with hysteresis
  • Mechanisms with actuators for force feedback
  • Mechanisms for limiting the movement of the controlling member
  • Mechanisms for returning the controlling member to an inoperative or neutral position
Means for enhancing the operator`s awareness of arrival of the controlling member at a command or datum position; Providing feel, e.g. means for creating a counterforce (arrangements for indicating the position of the controlling member G05G 1/015)
Definition statement
This subclass/group covers:

Means for providing feel, e,g, by creating counter force or tactile feed back

Means for signalling that the controlling member is in the neutral or home position

Informative references
Attention is drawn to the following places, which may be of interest for search:

Arrangements for indicating the position of the controlling member

Detent means using spring-loaded balls

Means for providing feel for accelerator pedal, e.g. by changing pedal force characteristics

Mechanisms for controlling electric contacts with detent or indexing means

Mechanisms for controlling electric contacts with haptic or tactile feedback

Means for returning or tending to return controlling members to an inoperative or neutral position, e.g. by providing return springs or resilient end-stops (G05G 5/28 takes precedence)
Informative references
Attention is drawn to the following places, which may be of interest for search:

Mechanisms for controlling electric contacts moving the operating part into an inoperative position by an electric drive

for holding members in one or a limited number of definite positions only ( {G05G 5/005} , G05G 5/03, G05G 5/05, G05G 5/28 take precedence)
Definition statement
This subclass/group covers:

Mechanisms for holding controlling member in particual positions, e.g. by springs or magnetic means

See example document WO2008052676 using two magnets (2) and (3)

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Informative references
Attention is drawn to the following places, which may be of interest for search:

Positioning and locking mechanisms for vehicle seats

Interlocking of members, e.g. locking member in a particular position before or during the movement of another member
Definition statement
This subclass/group covers:

Mechanisms whereby the allowed position of a controlling member depends on the position of another controlling member

Manually-actuated control mechanisms provided with one single controlling member co-operating with one single controlled member; Details thereof (controlling members G05G 1/00)
Definition statement
This subclass/group covers:

Mechanisms that process the movement (part C in the model of the operator control device) from the operator actuated part to the controlled member.

Special rules of classification within this subclass/group

The mechanisms are classified in G05G 7/04, G05G 7/06 and G05G 7/08.

The subgroups G05G 7/02, G05G 7/10, G05G 7/12, G05G 7/14 and G05G 7/16 are not active.

Characterised by special provisions for conveying or converting motion, or for acting at a distance
Definition statement
This subclass/group covers:

This group is not active, see definition statement of maingroup

Informative references
Attention is drawn to the following places, which may be of interest for search:

Wrist joints (Two-dimensional joints)

Means for transmitting linear movement in a flexible sheathing, e.g. "Bowden mechanisms"

Gearings for interconverting rotary motion and reciprocating motion

Manually-actuated control mechanisms provided with one single controlling member co-operating with two or more controlled members, e.g. selectively, simultaneously
Definition statement
This subclass/group covers:

Mechanisms that process the movement (part C in the model of the operator control device) from the operator actuated part to different controlled members, .i.e. the manipulation of a single control input member changes at least two distinct output members.

Controlling members for hand actuation in which movement in two or more ways can occur simultaneously.

Special rules of classification within this subclass/group

The subgroups G05G 9/06, G05G 9/08, G05G 9/085 and G05G 9/10 are not active

the controlling member being movable by hand about orthogonal axes, e.g. joysticks { (for switches H01H 25/04) }
References relevant to classification in this group
This subclass/group does not cover:

Examples of places where the subject matter of this group is covered when specially adapted, used for a particular purpose, or incorporated in a larger system:

Steering control comprising tillers, i.e. hand levers operating on the steering column

Manually actuated initiating means for actuating flying-control surfaces

Control mechanisms, e.g. control levers, for dregers or soil-shifting machines

Selector apparatus for change-speed or reversing- gearings

Informative references
Attention is drawn to the following places, which may be of interest for search:

Apparatus for, or methods of, measuring force of joystick controls

Arrangements or instruments for measuring magnetic variables - using galvano-magnetic or magneto-resistive devices, e.g. Hall effect devices

Micromanipulators structurally combined with microscopes

Force or tactile feedback applied to a joystick

For pointing devices integrated in a laptop computer

G06F1/16P2D

Input arrangements for computers with lever arrangements for operating keyboard cursor control keys in a joystick-like manner

Arrangements providing an integrated pointing device in a keyboard, e.g. trackball or mini-joystick

Input arrangements for computers using pointing devices displaced or positioned by user, e.g. pens or joysticks

Joysticks for switches

Accessories for surgery or diagnosis using joysticks

K61B19/00M6J

Manually-actuated control mechanisms provided with two or more controlling members co-operating with one single controlled member
Definition statement
This subclass/group covers:

Mechanisms that process the movement (part C in the model of the operator control device) from the operator actuated part to the controlled member. The mechanical control mechanism has more than one input member, e.g. at different locations, and actuates one single output member.

Manually-actuated control mechanisms provided with two or more controlling members and also two or more controlled members (interlocking G05G 5/08)
Definition statement
This subclass/group covers:

Mechanisms that process the movement (part C in the model of the operator control device) from the operator actuated part to the controlled member. The mechanical control mechanism has more than one input member and actuates more than one output member.

Mechanical devices for initiating a movement automatically due to a specific cause
Special rules of classification within this subclass/group

This group is not active

The subject matter: 'Mechanical controls initiating movement automatically due to a specific cause' should be classified in the respective field of application.

Mechanical devices for moving a member after being released; Trip or release mechanisms characterised thereby
Special rules of classification within this subclass/group

This group is not active

The subject matter: 'Mechanical release mechanisms for moving a member after a mechanical trigger signal' should be classified in the respective field of application.

Servo-mechanisms with follow-up action, e.g. occurring in steps
Special rules of classification within this subclass/group

This group is not active

The subject matter 'Mechanical, i.e. neither hydraulic nor electric servo mechanisms with follow-up action should be classified in the respective fields of application.

Mechanical apparatus for control of a series of operations, i.e. programme control, e.g. involving a set of cams (G05G 5/02 takes precedence)
References relevant to classification in this group
This subclass/group does not cover:

Programme-control systems using cams, discs, rods, drums or the like

Time or time-programme switches executing one or more switching actions

Special rules of classification within this subclass/group

This group is not active

The subject matter 'Mechanical programme control for controlling series of operation' should be classified in the respective fields of application.

Means for ensuring the correct positioning of parts of control mechanisms, e.g. for taking-up play
Definition statement
This subclass/group covers:

Means for adjusting parts of mechanical control means, when not application specific, e.g. for taking up play or backlash of the transmission means

Other details or appurtenances of control mechanisms, e.g. supporting intermediate members elastically
Definition statement
This subclass/group covers:

Residiual group for details or accessories of mechanical control mechanisms when not application specific

Sealing against entry of dust, weather or the like { (in selector apparatus for gearings, F16H 59/0213) }
References relevant to classification in this group
This subclass/group does not cover:

Examples of places where the subject matter of this group is covered when specially adapted, used for a particular purpose, or incorporated in a larger system:

Sealing means for "Bowden" mechanisms

Sealing means for gear selector apparatus

Sealing boots for switching devices

This page is owned by Office of Patent Classification.
Last Modified: 10/11/2013