Expansible chamber devices – With releasable stop or latch means to prevent movement of... – Means includes element interfitting between working member...
Patent
1977-10-13
1980-07-08
Hershkovitz, Abraham
Expansible chamber devices
With releasable stop or latch means to prevent movement of...
Means includes element interfitting between working member...
92128, 188259, 277217, F15B 1526
Patent
active
042111498
ABSTRACT:
A radially expandable and contractable split lock ring selectively to unlock and lock a piston and cylinder actuator includes at least one lapped axially extending surface substantially conforming to the surface of the cylinder or piston with which it is in sliding contact when in the unlocked position. The split lock ring has each of its ends slightly inwardly tapered to reduce the thickness thereof to distribute the bending load uniformly throughout the ring and has a flat on the outer diametrical surface diametrically opposed from such tapered ends to provide load carrying symmetry for the ring.
REFERENCES:
patent: 1321539 (1919-11-01), Mummert
patent: 1369075 (1921-02-01), Ballman
patent: 2295961 (1942-09-01), Meyer
patent: 2428177 (1947-09-01), Phillips
patent: 2996046 (1961-08-01), Skopp
patent: 3166990 (1965-01-01), Hoffmann
patent: 3186308 (1965-06-01), Butterworth
patent: 3552273 (1971-01-01), Resuggan
patent: 3584541 (1971-06-01), Cunningham
patent: 3813065 (1974-05-01), Hallesy
Hershkovitz Abraham
Pneumo Corporation
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