Retractable apparatus for supporting an element

Details Retractable apparatus for supporting an element Retractable apparatus for supporting an element

1978-01-19

1979-03-20

Mitchell, James C.

Supports

Stand

Standard type

297417, 403104, 403109, F16M 1100, A47C 754

Patent

active

041450205

ABSTRACT:
Retractable apparatus for supporting an element such as the arm rest of a seat. The arm rest is movable from a retracted position adjacent the seat to an extended position above the seat by pulling it upwardly, slightly inclining it to one side, and then pushing it downwardly to lock it in the extended position. The apparatus comprises a pair of elongated members adapted for attachment to the seat and to the seat arm, respectively. One member is telescopable within the other and each includes complemental engagement portions freely movable relative to one another during movement of the arm rest to its extended position. The engagement portions are engageable when the arm rest is tipped to one side, thereby misaligning the longitudinal axes of the elongated members and locking the arm rest in the extended position. Various forms of engagement portions are disclosed.

REFERENCES:
patent: 2215758 (1940-09-01), Knight et al.
patent: 2858876 (1958-11-01), Woodson
patent: 3265346 (1966-08-01), Petrick
patent: 3697103 (1972-10-01), Mostyn

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