Horizontally supported planar surfaces – Tiltable surfaces – Pivotally adjustable about horizontal axis
Patent
1983-02-01
1989-11-14
Brown, Peter R.
Horizontally supported planar surfaces
Tiltable surfaces
Pivotally adjustable about horizontal axis
123 1, 243135, 292216, A47B 300
Patent
active
048799548
ABSTRACT:
Disclosed is a foldable table whose table plate may be readily and easily folded down with a single operation of a knob and restored back to its horizontal position simply by lifting up the table plate as a natural motion of bringing the table plate to such a position through the use of a pair of cams mounted on a table plate bracket. One of the cams keeps the table plate in its horizontal position by engaging a stopper pin fixed from a support while the other cam releasably engages the first cam to the engaged state.
REFERENCES:
patent: 2016571 (1935-10-01), Barrett
patent: 2030348 (1936-02-01), Barrett
patent: 2860938 (1958-11-01), Marti
patent: 3236551 (1966-02-01), Nash
patent: 3239260 (1966-03-01), Beckman et al.
patent: 4073520 (1978-02-01), Tsuchiya et al.
Sawamura Masahiko
Takahashi Kouji
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