Non-adjustable linear drive for articulated furniture

Details Non-adjustable linear drive for articulated furniture Non-adjustable linear drive for articulated furniture

1994-02-23

1996-08-06

Brown, Peter R.

Chairs and seats

Movable back

Tiltable

74 8915, 192141, 297330, 29742330, A47C 1024

Patent

active

055427448

ABSTRACT:
A linear drive for articulated furniture having pre-determined extended and retracted positions. These devices heretofore have been designed to be adjustable, but customer adjustment frequently causes costly damage to the drive and furniture. The drive includes a motor-driven rotary screw and a cooperating nut carrying drive tube which is rotationally fixed to a drive housing to prevent customer adjustment.

REFERENCES:
patent: 1796232 (1931-03-01), Barnes
patent: 3191196 (1965-06-01), Holm
patent: 4552403 (1985-11-01), Yindra
patent: 4712441 (1987-12-01), Abraham
patent: 4893704 (1990-01-01), Fry et al.
patent: 5044620 (1991-09-01), Ruch et al.
patent: 5294179 (1994-03-01), Rudes et al.

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