Supports – With means to facilitate installation – repair – or...
Patent
1992-08-06
1993-06-29
Chin-Shue, Alvin C.
Supports
With means to facilitate installation, repair, or...
2485031, 248506, A47B 9700
Patent
active
052227120
ABSTRACT:
A chair is removably mounted to the floor of a theater or other assembly hall so that it may be quickly removed when needed to provide space for a patron using a wheelchair and quickly reinstalled afterwards. Holes are formed in the floor of the theater, in a generally square pattern, and plugs are positioned in each hole. A baseplate upon which the chair is permanently mounted has plug-engaging members depending from its underside. The forward plug-engaging members slidingly engage the forward plugs, and the rearward plug-engaging members are biased to latchingly engage the rearward plugs. A special tool is inserted through access holes in the base plate to overcome the bias and disengage the rearward plug-engaging members. The tool includes a pair of wheels joined by an axle so that when the rearward end of the chair is tilted forwardly after disengagement of the rearward plug-engaging members and the rearward plugs, the tool is inverted and inserted through a different pair of holes in the base plate to form a dolly that enables the chair to be carted away. No tools are needed to reinstall the chair.
REFERENCES:
patent: 3419164 (1968-12-01), O'Neill
patent: 4241893 (1980-12-01), Koutsky et al.
patent: 4789126 (1988-12-01), Rice et al.
patent: 4971379 (1990-11-01), Rumpel et al.
patent: 5125711 (1992-06-01), Syed et al.
Chin-Shue Alvin C.
Miller Stanley M.
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