Height-adjustable column with a transmitting mechanism

Details Height-adjustable column with a transmitting mechanism Height-adjustable column with a transmitting mechanism

1998-04-27

1999-11-30

Braun, Leslie A.

Supports

Resilient support

Including spring zone understructure

248161, 2481621, 248404, 248405, 29734418, 297 3419, 92 51, 92 53, F16M 1300

Patent

active

059928158

ABSTRACT:
A height-adjustable column has a stationary tube that receives a height-changing mechanism, such as a pneumatic spring having a cylinder and a rod that are axially movable with respect to one another. A transmitting mechanism includes a movable member that is operatively associated with the rod and is movable in a direction opposite to the direction of movement of the cylinder upon extension of the pneumatic spring when the pneumatic spring is in a predetermined lift zone.

REFERENCES:
patent: 3777617 (1973-12-01), Okiyama
patent: 4592590 (1986-06-01), Slaats et al.
patent: 4627602 (1986-12-01), Sporck
patent: 4692057 (1987-09-01), Lauderbach
patent: 4693442 (1987-09-01), Sills
patent: 4720068 (1988-01-01), Tornero
patent: 4756496 (1988-07-01), Hosan et al.
patent: 4793197 (1988-12-01), Petrovsky
patent: 4860987 (1989-08-01), Werner
patent: 5377942 (1995-01-01), Knopp et al.
patent: 5443573 (1995-08-01), Thiele et al.
patent: 5531413 (1996-07-01), Wolf et al.
patent: 5765804 (1998-06-01), Stumpf et al.

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