US PATENT SUBCLASS 73 / 11.04
TESTING OF SHOCK ABSORBING DEVICE (E.G., AUTOMOBILE SHOCK ABSORBER, GUN RECOIL APPARATUS, ETC.)


Current as of: June, 1999
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73 /   HD   MEASURING AND TESTING

11.04TESTING OF SHOCK ABSORBING DEVICE (E.G., AUTOMOBILE SHOCK ABSORBER, GUN RECOIL APPARATUS, ETC.) {4}
11.05  DF  .~> Torsional vibration damper
11.06  DF  .~> Railway draft gear
11.07  DF  .~> In situ vehicle suspension {1}
11.09  DF  .~> By applying reciprocating or oscillating motion


DEFINITION

Classification: 73/11.04

TESTING OF SHOCK ABSORBING DEVICE (E.G., AUTOMOBILE SHOCK ABSORBER, GUN RECOIL APPARATUS, ETC.):

(under the class definition) Subject matter comprising an apparatus or method for testing a device whose function while it is in use is to absorb shock.

SEE OR SEARCH THIS CLASS, SUBCLASS:

12.01+, for testing by shock.

79, for testing for hardness by observing rebound.

112+, for a power plant or unit efficiency measurement.

SEE OR SEARCH CLASS

105, Railway Rolling Stock,

392.5, for a shock absorber for a railway vehicle. 188, Brakes,

266+, for a fluid-type shock absorber for a railway vehicle.

213, Railway Draft Appliances,

1, for a one-shot shock absorber and subclass 32 for a draft gear assembly, per se.

248, Supports, appropriate subclass for support-type shock absorbers.

267, Spring Devices, appropriate subclass for spring-type shock absorbers.

340, Communications: Electrical,

500+, for an electrical indicator which produces a humanly perceptible signal in response to the attainment of a predetermined condition; particularly, subclass 665 for a predetermined mechanical force.