Latch particularly for an adjustable head section of a foldable

Details Latch particularly for an adjustable head section of a foldable Latch particularly for an adjustable head section of a foldable

1983-03-21

1987-06-02

Smith, Gary L.

Beds

Sofa bed

Link supported unfolding

A47C 1704

Patent

active

046691340

ABSTRACT:
A latch is disclosed for positioning and releasably retaining articulated linkages such as the pivotally interconnected head and body section angles of a folding sofa sleeper bed frame. The latch includes a connecting link pivotally connected at one end to the body section having at its opposite end an elongated slot including a latching notch, a latch plate slidably mounted on the connecting link having an elongated slot which overlies a portion of the length the slot in the connecting link, and a pin connected to the head section angle making a lost motion connection within the connecting link and latch plate slots. The head section of the bed frame is sequentially movable from a lowered position where it is coplanar with the body section, to a ready or "latch cocked" position which exposes the latching notch in the connecting link for receiving the head section pin, to a TV position where the head section is held in a raised, angulated position with respect to the body section by the head section pin being captured in the latching notch in the connecting link, to a release position where the head section pin is released from the latching notch and the head section is movable back to its lowered position.

REFERENCES:
patent: 2595038 (1952-04-01), Woller
patent: 2713505 (1955-07-01), Luger
patent: 2749559 (1956-06-01), Petersen
patent: 2785415 (1957-03-01), Petersen
patent: 2817100 (1957-12-01), Bruin
patent: 3395409 (1968-08-01), Eakins
patent: 3868733 (1975-03-01), Spitz et al.
patent: 3984883 (1976-10-01), Wong
patent: 4104745 (1978-08-01), Pacitti

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