Expansible chamber devices – With releasable stop or latch means to prevent movement of... – Means includes element interfitting between working member...
Patent
1975-02-25
1977-05-24
Schwadron, Martin P.
Expansible chamber devices
With releasable stop or latch means to prevent movement of...
Means includes element interfitting between working member...
92 14, 92 27, 92 30, 92109, 244102SL, 244104CS, F15B 1526
Patent
active
040248003
ABSTRACT:
An actuating and bracing jack comprising a cylinder and a rod which are pivotably connected at their free ends to a fixed member and to a moveable member respectively. The cylinder has at least at one of its extremities, an internal resilient catch member, and the rod carries a projection capable of coming into engagement behind the catch member. The cylinder has an enlarged cylindrical chamber housing a displaceable locking device capable of being driven by the rod upon retraction movement thereof, to a first position to which the catch member is firmly applied against the projection. The locking device is displaceable in the opposite direction in the cylinder under the action of an actuating fluid to a second position to which the catch member is freed. The rod is provided with a device for taking up play between the rod and cylinder, such device including a displaceable draw member which acts upon a member urging a slotted portion of the rod outwardly into close proximity to the cylinder.
REFERENCES:
patent: R27294 (1972-02-01), Fredd
patent: 2042371 (1936-05-01), Warren
patent: 2563194 (1951-08-01), Shawbrook
patent: 2808810 (1957-10-01), Lindley
patent: 3135171 (1964-06-01), Michalak, Jr.
patent: 3135172 (1964-06-01), Messerschmitt
patent: 3177780 (1965-04-01), Andersen
patent: 3395618 (1968-08-01), Fredd
patent: 3451313 (1969-06-01), Andersen
patent: 3463055 (1969-08-01), Bayles
Hershkovitz Abraham
Messier Hispano
Schwadron Martin P.
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