F - Mech Eng,Light,Heat,Weapons – 16 – F
Patent
F - Mech Eng,Light,Heat,Weapons
16
F
306/272, 306/297
F16F 7/00 (2006.01) F16F 7/116 (2006.01) H01H 3/60 (2006.01) H02B 11/02 (2006.01)
Patent
CA 1264176
21 51,245 ABSTRACT OF THE DISCLOSURE The kinetic energy generated by the rapidly moving contact and coupled operating mechanism of a tripped circuit breaker or similar apparatus is dissipated by a shock-absorbing assembly comprising a stack of metal plates and interposed leaf springs which is mounted on a station- ary part of the breaker and is struck by a lever fastened to the main operating shaft of the breaker operating mechanism. The metal plates are movable toward and away from one another due to the resiliency of the leaf springs and the resulting multiple-impacts between the plates and advancing breaker lever produces a momentum exchange phenomenon which quickly dissipates the kinetic energy and brings the breaker operating mechanism and movable contact to a smooth stop. The multiple-impact assembly provides a compact shock absorbing means that is especially adapted for use in medium voltage circuit breakers (5 to 35 KV rating) of various types which is not only durable and efficient but very inexpensive and reliable. The improved shock absorber is also adapted for use in guns and the like which require a suitable means for counteracting the recoil produced when the gun is fired.
485244
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