This class is intended to include means particularly adapted
to transfer mail bags, train-orders, and the like to or from moving
vehicles, especially fixed-way vehicles in rapid motion.
Material or Article Handling,
subclass 265 for a guided, wheeled device for transporting mail and
external means cooperating therewith for loading or unloading the
device; and subclass 593 for an elevator or hoist and loading or unloading
means therefor and wherein the elevator or hoist is specially adapted
to the handling of mail.
This subclass is indented under the class definition. Means and parts and accessories peculiar thereto not classifiable
elsewhere, including, for example, article or message carriers in
the form of missiles, adapted to be thrown to or from a moving vehicle.
This subclass is indented under the class definition. Means for transferring a load to or from an aircraft in
flight.
(1)
Note. Search this class, appropriate subclasses, for means
under the main class definition for transferring a load to or from
a moving aircraft not in flight.
Machine Element or Mechanism,
subclass 2 and indented subclasses, for mechanisms for releasing
or tripping portions of machines to cause other portions to automatically
operate due to the expenditure of the potential energy possessed
by such parts.
Aeronautics and Astronautics, particularly
subclasses 2+ for means whereby an aircraft in flight may pick up
or release another aircraft, including gliders, singly or in trains:
subclasses 135 for supplying fuel to or discharging from an aircraft
in flight: subclass 136 for discharging and diffusing material in
air from aircraft in flight: subclass 137 for loading or unloading
aircraft in general, including the mere dumping of a load from the
aircraft whether in flight or not: subclasses 138+ for
parachutes or other devices either, per se, or in combination with
aircraft structure, for safely lowering persons, cargo, or aircraft
structure to the ground.
This subclass is indented under subclass 1.2. Means by which (a) the load transfer takes place between
an aircraft and a second moving vehicle, including other aircraft,
ships, railway-vehicles, etc., or (b) arrangements which require
an aircraft in flight to maintain a substantially circular course
in order to take on a discharge the load.
(1)
Note. Mere turntables for aligning a ground receiver or support
with the direction of flight of the aircraft are not "moving
vehicles" within the meaning of this subclass.
This subclass is indented under subclass 1.2. Means by which one load is discharged from while another
is picked up by the aircraft, usually either simultaneously or as
a result of a substantially continuous operation.
This subclass is indented under the class definition. Apparatus of the railway-mail delivery type comprising as
a part thereof some element designed for purposes of imparting information or
signaling.
This subclass is indented under the class definition. Devices particularly adapted to be held by a person for
transferring mail bags, missives, etc., to a moving vehicle.
(1)
Note. Compare Class 294, Handling: Hand and Hoist-Line Implements,
subclass 19.1, and indented subclasses, for similar manually-held
devices for transferring pictures or packages to elevated supports
or shelves.
This subclass is indented under the class definition. Devices for receiving mail bags, missives, and the like
from or transferring them to a moving vehicle which have magnetically operated
parts.
(1)
Note. Compare Classes in Search Notes below for electromagnetic
lifting devices, for conveyors, and for magnets and electromagnets.
This subclass is indented under the class definition. Means for throwing or projecting a mail bag, missive, or
the like to or from moving vehicles.
(1)
Note. Chutes, hoppers, or releasing devices comprising no
means other than the weight of the load itself for imparting to
the load a lateral or longitudinal movement with respect to the
vehicle are excluded.
(2)
Note. Compare classes in the Search Notes below for nonexplosive
devices for projecting missiles; for conveyors: and for devices
of general application for throwing material.
This subclass is indented under the class definition. Means comprising a receiver or a support adapted to be thrown
into operative position by movement of the vehicle along the track
or roadway.
This subclass is indented under the class definition. Means comprising a receiver or support that is movable laterally
of the track by a sliding motion.
This subclass is indented under the class definition. Means comprising an auxiliary receiving or supporting track
that extends in a general direction longitudinally of the main track.
Material or Article Handling,
subclass 337 and 338 for external means for cooperating a wheeled
vehicle for loading or unloading the same, and comprising static
structure for supporting the load being moved to or from vehicle.
This subclass is indented under the class definition. Means comprising inventions in the combination of a receiver
and a support or in both receiver and support.
This subclass is indented under subclass 11. Combined receivers and supports comprising two types of
receivers one only of which is a bar, hook, V-shaped, or similar
comparatively sharp or pointed instrument.
(1)
Note. A fork receiver combined with supplemental receiving
elements designed to cooperate with the fork in the act of receiving
or to constitute a depository for the load received by the fork
is deemed to be a "fork receiver only".
This subclass is indented under subclass 12. Devices of the type set forth by the title, comprising modifications
of a fork receiver, specially designed to prevent the load from rebounding
from the receiver.
This subclass is indented under subclass 11. Combined receivers and supports comprising a single type
of receiver consisting of a bar, hook, V-shaped, or other comparatively
sharp or pointed instrument.
(1)
Note. Skeleton scoops and the like are excluded.
(2)
Note. Search this class, subclasses in the title of which
the word "fork" occurs, for fork receivers.
This subclass is indented under subclass 14. Devices of the type indicated by the title, comprising modifications
of a fork receiver, specially designed to prevent the load from rebounding
from the receiver. Search this class, all subclasses in the title
of which the words "retaining feature" occur,
for retainers.
This subclass is indented under subclass 15. Devices of the type set forth by the title, comprising modifications
of a fork receiver, specially designed to prevent the load from rebounding
from the receiver, and also latch or similar means operated by contact
with some element as the vehicle moves along the track for releasing
another load from its support.
(1)
Note. Similar devices wherein the bag or load is released
by a receiver or the like that contacts directly therewith are excluded.
12 and indented subclass, and also all subclasses
in the title of which the words "impact operated load release" occur,
for other load releasing features.
This subclass is indented under subclass 15. Devices of the type indicated by the title, comprising modifications
of a fork receiver, specially designed to prevent the load from rebounding
from the receiver, and also some special means connected with the
load for engaging with the receiver and sustaining the shock incident
to contact therewith.
This subclass is indented under subclass 14. Combined receivers and supports comprising a single type
of receiver consisting of a bar, hook, V-shaped, or other comparatively
sharp or pointed instrument, and also means to which the load is
attached, for engaging with a receiver, usually for the purpose
of receiving the shock of impact.
This subclass is indented under subclass 11. Combined receivers and supports not elsewhere classifiable,
comprising a support in the form of a latch, or similar member,
mounted either on the vehicle or along the track, and means, either
along the track or on the vehicle, respectively, for contacting
with and releasing the load-holding means.
(1)
Note. Similar devices wherein the bag or load is released
by a receiver or the like that contacts directly therewith are excluded.
This subclass is indented under the class definition. Devices of the railway-mail delivery type not elsewhere
classifiable, mounted either on the vehicle or along the track,
for receiving the load, respectively, from a support along the track
or on the vehicle.
(1)
Note. Compare class in Search Notes below for letter boxes.
This subclass is indented under subclass 21. Fork receivers comprising some special means for preventing
the load from rebounding from the receiver. Search this class, all
subclasses in the title of which the words, "retaining
feature" occurs.
This subclass is indented under the class definition. Devices of the railway-mail delivery type, mounted either
on the vehicle or along the track, for supporting the load preparatory
to delivering it to a receiver mounted, respectively, along the
track or on the vehicle.
(1)
Note. Compare class in Search Notes below for supports of
general application. Search this class, all subclasses except subclass
20, and subclasses thereunder.
This subclass is indented under subclass 23. Supports comprising two or more arms, not integral or rigidly
connected, the movement of one of which is dependent upon a prior
or simultaneous movement of the other.
This subclass is indented under subclass 23. Supports comprising a load-holding means in the form of
a latch or similar device, mounted either on a vehicle or along
a track, and means, either along the track or on the vehicle, respectively,
for contacting with and releasing the load-holding means.
(1)
Note. Similar devices wherein the bag or load is released
by a receiver or the like that contacts directly therewith are excluded.
This subclass is indented under subclass 23. Supports comprising a special means to which the load is
attached for engaging with a receiver, usually for the purpose of
receiving the shock of impact, thus preventing injury to bags and
other loads.
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