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Class Information
Number: 92/25
Name: Expansible chamber devices > With releasable stop or latch means to prevent movement of working member > Means includes element interfitting between working member and fixed part > Element actuated or retained in operative position by relatively movable fluid responsive member > With pivoted link between element and member
Description: Apparatus including a mechanical motion converting means including a pivoted link between the intermeshing element and the fluid pressure actuated member so that motion of the member will be transmitted to said intermeshing element through said pivoted link.

Patents under this class:

Patent Number Title Of Patent Date Issued
6945156 Device for switching and locking moving points components Sep. 20, 2005
6499568 Locking device Dec. 31, 2002
6044934 Locking device for a linear movement unit Apr. 4, 2000
5823300 Brake device of linear moving body Oct. 20, 1998
5190263 Locking mechanism for an actuator Mar. 2, 1993
5118119 High temperature and high pressure seal retainer ring Jun. 2, 1992
4947705 Method and apparatus for maintaining a load raising linkage in a rasied position Aug. 14, 1990
4938120 Device for influencing the reset value of a valve Jul. 3, 1990
4854223 Pneumatic or hydraulic drive for opening and closing of doors Aug. 8, 1989
4791856 Single acting hydraulic actuator with variable return force Dec. 20, 1988
4754694 Fluid actuator with lock position indicating means Jul. 5, 1988
4700814 Locking device for reciprocating members Oct. 20, 1987
4559865 Device to transfer mechanical motion across fluid barrier Dec. 24, 1985
4511117 Activating apparatus in a liquid conveying system operated by vacuum, preferably a so-called vacuum sewage system Apr. 16, 1985
4463657 Fluid actuator with sequence-power valve Aug. 7, 1984
4463661 Fluid actuator with remote lock release assembly Aug. 7, 1984
4436105 Valve actuator having an adjustable collet lock Mar. 13, 1984
4214795 Piston braking device for hydraulic or pneumatic cylinders Jul. 29, 1980
4093176 Mold-locking device Jun. 6, 1978
4043253 Boom cylinder stop for the lift cylinders of a skid steer vehicle Aug. 23, 1977
4007815 Releasable lock for brakes Feb. 15, 1977
RE28967 Work locating apparatus Sep. 21, 1976

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