B - Operations – Transporting – 60 – T
Patent
B - Operations, Transporting
60
T
B60T 13/38 (2006.01) B60T 15/60 (2006.01) B61H 15/00 (2006.01) F16D 65/56 (2006.01)
Patent
CA 2185763
A pressure actuated force transmitting cylinder includes a housing member having first and second elongated portions. An end cap closes one end of the housing in a fluid tight manner. A connection is formed through such first portion for communicating fluid to such cylinder. A clutch having a first clutch surface is disposed on such housing and a piston-like member is disposed for reciprocal movement in such housing. A seal disposed around a peripheral portion of such piston-like member provides a chamber to receive such fluid being communicated to such cylinder therein and cause a linear displacement of such piston-like member. An elongated rod-like member, having a threaded portion, is connected to such piston-like member. A threaded nut member is threadedly engaged with such threaded portion. A trigger mechanism is disposed around a portion of such rod-like member adjacent such nut member. A disc-like member is disposed around such trigger. A first race assembly is abuttingly engaged with a flat surface formed on such nut member and a second race assembly is abuttingly engaged with another flat surface formed on such nut member. Such first and second race assemblies permit rotation of such nut member on such threaded portion. Finally a first urging mechanism, in combination with fluid communicated to such cylinder, urges such second clutch surface away from such first clutch surface and a second urging mechanism overcomes such first mechanism and urges such second clutch surface into engagement with such first clutch surface when pressure is absent in such cylinder.
Hawryszkow Michael G.
Natschke Scott L.
Ring Michael E.
Macrae & Co.
Westinghouse Air Brake Company
LandOfFree
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