Supports – Stand – Standard type
Patent
1987-02-10
1988-07-19
Foss, J. Franklin
Supports
Stand
Standard type
248125, 297348, F16M 1100
Patent
active
047579684
ABSTRACT:
An apparatus for the implementation of a vertical movement for a chair, especially a patient chair is disclosed. This apparatus comprises a lift column (1) with an upper end suitable for mounting a chair, a tubular shell construction (2) against which the lift column (1) is telescopically supported, a threaded member (5) whose rotation enables elevation and lowering of the lift column (1), and a motor (4) for rotating the threaded member (5). In the apparatus according the lift column (1) has a polygonal cross section, and it receives for each of its sides a support incorporating a spring action and sliding bearing contact by support braces (3) mounted to the inner surface of the shell construction (2). The apparatus achieves a vibration-free lift movement.
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Kinanen Ilmari
Smalen Matti
Foss J. Franklin
Orion-yhtyma Oy
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