Adjustable installation with a controlled locking gas spring and

Details Adjustable installation with a controlled locking gas spring and Adjustable installation with a controlled locking gas spring and

1999-12-29

2000-11-14

Mar, Michael

Brakes

Internal-resistance motion retarder

Valve structure or location

188269, 1882821, 18832215, F16F 934

Patent

active

061456381

ABSTRACT:
An adjustable installation includes a body and a member carried by the body for adjustment among a plurality of positions by movements substantially in tandem of two spaced-apart locations on the member. A controllable locking gas spring is coupled between the body and the member at one of the locations, and an emergency locking gas spring is coupled between the body and the member at the other of the locations. The emergency locking gas spring normally acts like a non-locking gas spring and is thus in a follower relationship to the controllable locking gas spring but is locked automatically in either of two ways, depending on its design. In some designs, the emergency locking gas spring locks when a force greater than a predetermined force is imposed on it. In other designs, the emergency locking gas spring is locked in response to a signal generated by an acceleration detector upon detection of an acceleration of the installation greater than a predetermined acceleration.

REFERENCES:
patent: 3580635 (1971-05-01), Posh
patent: 3662649 (1972-05-01), Williams
patent: 4428567 (1984-01-01), Fournales
patent: 4709790 (1987-12-01), Freitag et al.
patent: 5037132 (1991-08-01), Borlinghaus et al.
patent: 5246271 (1993-09-01), Boisset
patent: 5263767 (1993-11-01), Asbjornsen et al.
patent: 5273240 (1993-12-01), Sharon
patent: 5277281 (1994-01-01), Carlson et al.
patent: 5435625 (1995-07-01), Weber
Stabilus product literature on BLOC-O-LIFT.
Stabilus Engineering Drawing No. 1056.

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