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Color Curly Brackets (indicating CPC extensions to IPC)

CPC
COOPERATIVE PATENT CLASSIFICATION
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SAFETY DEVICES IN GENERAL;
{
SAFETY DEVICES FOR PRESSES
}
NOTE
-
Attention is drawn to the following places:

A01D 75/18 Harvesting machines
A01F 21/00 Threshing machines or baling presses
B02C 23/04 Crushing or disintegrating machines
B21B 33/00 Rolling of metal
B21D 55/00 Working sheet metal or tubes, rods or profiles
without essentially removing material
B23B 25/04 Turning-machines
B23Q 11/00 Machine tools
B24B 55/00 Grinding or polishing machines
B25J 19/06 Manipulators
B26D 7/22 Cutting machines
B27G 19/00 Wood saws
B65B 57/00 Packaging machines or apparatus
B65G 43/00 Conveyers
B65H 26/00 Web-advancing mechanisms
B65H 63/00 Handling or winding of thin or filamentary material
D01G 31/00 Treatment of fibres
D01H 13/14 Spinning or twisting
D05B 83/00 Sewing machines
F21V 25/00 Lighting devices.

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Guide Heading:
Devices protecting or preventing injuries to people
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Safety devices independent of the control and operation of any machine (protective devices for the eyes or ears, worn on the body or carried in the hand, A61F 9/00, A61F 11/00)
F16P 1/005
.
{
Guards for rolls in calandering or other roll machines, e.g. nip guards, finger guards
}
.
Fixed screens or hoods
F16P 1/04
.
Screens or hoods rotating with rotary shafts
.
specially designed for welding
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Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body (F16P 5/00 takes precedence)
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.
{
Safety devices for guarding the human operator of punch presses or like machine tools performing an opening and closing travel
}
F16P 3/003
. .
{
by application of a specific control arrangement, e.g. specific switching systems or two-hand control
}
F16P 3/005
. .
{
having a movable screen or a sensor influencing the switching system
}
F16P 3/006
. .
{
having a screen moving with the machine and moving the operator out of danger, or restraining the operator, without influencing the switching system
}
F16P 3/008
.
{
Devices for directly stopping or interrupting the drive or gear in case of danger to the machine, e.g. devices with clutches
}
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.
Screens or other safety members moving in synchronism with members which move to and fro
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F16P 3/04
. .
for machines with parts which approach one another during operation, e.g. for stamping presses
. . .
in which body parts of the operator are removed from the danger zone on approach of the machine parts
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.
in connection with the locking of doors, covers, guards, or like members giving access to moving machine parts
F16P 3/10
. .
in which the operation of locking the door or other member causes the machine to start
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.
with means, e.g. feelers, which in case of the presence of a body part of a person in or near the danger zone influence the control or operation of the machine (F16P 3/08 takes precedence)
F16P 3/125
. .
{
Guards for rolls in calandering or other roll machines, e.g. nip guards, finger guards
}
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. .
the means being photocells or other devices sensitive without mechanical contact
WARNING
-
Subgroups of F16P 3/14 are not complete pending a reorganisation, see also F16P 3/14

. . .
{
using sound propagation, e.g. sonar
}
. . .
{
using image capturing devices
}
. . .
{
using light grids
}
. . .
{
using magnetic technology
}
. . .
{
using electro-magnetic technology, e.g. tags or radar
}
. . .
{
using capacitive technology
}
. .
with feeling members moved by the machine
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.
Control arrangements requiring the use of both hands
F16P 3/20
. .
for electric control systems
F16P 3/22
. .
for hydraulic or pneumatic control systems
F16P 3/24
. .
for mechanical controls
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Emergency means for rendering ineffective a coupling conveying reciprocating movement if the motion of the driven part is prematurely resisted
F16P 5/005
.
{
Overload protection by energy absorbing components, e.g. breaker blocks, shear sections
}
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Emergency devices preventing damage to a machine or apparatus (F16P 1/00, F16P 3/00, F16P 5/00 take precedence; indicating means, see the appropriate classes)
F16P 7/02
.
by causing the machine to stop on the occurence of dangerous conditions therein (devices in bearings affected by abnormal conditions F16C)
This page is owned by Office of Patent Classification.
Last Modified: 10/10/2013