Desk

Details Desk Desk

1996-06-21

1998-04-07

Chen, Jose V.

Horizontally supported planar surfaces

Tiltable surfaces

Pivotally adjustable about horizontal axis

108 9, 248371, A47B 2700

Patent

active

057352186

ABSTRACT:
A school desk (1) having a frame (7) and a desk top (2) with a flat writing surface (3). The desk top (2) is pivoted at its rear edge (11) and movable between a first position in which the writing surface (3) is horizontal and a second position in which the writing surface (3) is inclined. A releasable latch maintains the writing surface (3) inclined. The latch takes the form of two linkages (16, 18) each having a first link (16) and a single common link (18) which form an over-center toggle mechanism. The latch is releasable by fingers passed through an aperture (5) in the desk top (2).

REFERENCES:
patent: 469378 (1892-02-01), Schuster
patent: 2328471 (1943-08-01), Leffel
patent: 2979370 (1961-04-01), Bradley et al.
patent: 4040592 (1977-08-01), Jones
patent: 4431239 (1984-02-01), Vainikka
patent: 5036776 (1991-08-01), Veyhl et al.
patent: 5086710 (1992-02-01), Korb

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