Clamp locking device

Details Clamp locking device Clamp locking device

1980-06-09

1986-05-06

Hershkovitz, Abraham

Motors: expansible chamber type

With correlated control of motive fluid and locking means

Common or interconnected valve means control motive fluid...

92 24, 92 27, 188 67, 188 77R, 292252, 29225665, F15B 1302

Patent

active

045864250

ABSTRACT:
A piston-controlled locking mechanism including an external cylinder having annular retaining means, a first elongated piston located adjacent the cylinder and having ball lock positioning apertures in the extension, a second coaxially located piston positioned inside of the skirt of the first piston and having indentations capable of mating with the ball positioning portions of the first piston, and positioning elements for first moving the inner piston to release the balls and thereafter moving the outer piston to either release or lock the cylinder.

REFERENCES:
patent: 2636578 (1953-04-01), Swift
patent: 2667240 (1954-01-01), Wilkinson
patent: 2713328 (1955-07-01), Driskel
patent: 3107582 (1963-10-01), Royster
patent: 3108513 (1963-10-01), Koshobu
patent: 3208759 (1965-09-01), Firestone
patent: 3324771 (1967-06-01), Cruse
patent: 3342111 (1967-09-01), Royster
patent: 3397620 (1968-08-01), Skelton
patent: 3429605 (1969-02-01), Soesbergen
patent: 3464528 (1969-09-01), Mork
patent: 3584544 (1971-06-01), Haberman
patent: 3819016 (1974-06-01), Radcliffe
patent: 4093184 (1978-06-01), Wieschel

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