Adjusting device for vehicle seats

Details Adjusting device for vehicle seats Adjusting device for vehicle seats

1985-05-23

1986-09-16

Machado, Reinaldo P.

Supports

Stand

Horizontally movable support surface

248419, F16M 1300

Patent

active

046117784

ABSTRACT:
The present invention relates to an adjusting device for vehicle seats having a threaded spindle (4) and a spindle nut arranged thereon, each of which is connected in an axially immovable manner with one or the other of elements (1, 2) to be adjusted relative to each other. The spindle nut (13) is provided with a full-length (or continuous) channel (20) running parallel to the threaded bore which receives the threaded spindle (4), which channel receives a bar (22) which prevents a rotation of the spindle nut (13) about the longitudinal axis of its threaded bore. The opposing boundary surfaces (21) of the channel (20), which cooperate with the bar (22) are spaced from each other such that at the midpoint of the channel (20) the space is equal to the bar thickness and uniformly increases toward the two ends of the channel.

REFERENCES:
patent: 636757 (1899-11-01), Carraway
patent: 2927627 (1960-03-01), Lohr
patent: 3728904 (1973-04-01), Boyriven
patent: 3757591 (1973-09-01), Taylor
patent: 3977262 (1976-08-01), Randolph
patent: 4085624 (1978-04-01), Nomura
patent: 4137784 (1979-02-01), Griffins
patent: 4402482 (1983-09-01), Harbaugh

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