Expansible chamber devices – With releasable stop or latch means to prevent movement of... – Includes interfitting parts engageable at plural positions...
Patent
1995-01-06
1996-05-07
Denion, Thomas E.
Expansible chamber devices
With releasable stop or latch means to prevent movement of...
Includes interfitting parts engageable at plural positions...
92 20, F15B 1526
Patent
active
055135544
ABSTRACT:
The invention relates to a lockable telescopic device (1) which includes a cylindrical tube (10) and a piston rod (3). The piston rod (3) includes an expandable locking device (60) which, when active, forcibly abuts a part of the inner wall of the tube (10). The expandable locking device (60) includes two sleeves (61, 62) which accompany movement of the piston rod (3) in the longitudinal direction of the device (1). The piston rod (3) and the tube (10) are locked against relative movement by rotating the sleeves (61, 62) relative to one another with the aid of a lever (51) mounted on the piston rod. The invention also relates to the use of the lockable telescopic device in conjunction with so-called engine shelves.
REFERENCES:
patent: 3095825 (1963-07-01), Sandberg et al.
patent: 3150569 (1964-09-01), Attermeyer
patent: 3668977 (1972-06-01), Beidler
patent: 4240334 (1980-12-01), Crossen
Denion Thomas E.
Roger Paulusson AB
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