The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 20, 1993
Filed:
Dec. 26, 1991
Noboru Sugiyama, Tokyo, JP;
Kabushiki Kaisha Kotobuki, Tokyo, JP;
Abstract
An apparatus for locking an operative position of each furniture such as a chair or the like on a furniture raising/lowering floor equipment wherein the furniture is mounted on a raising/lowering unit vertically displaceably arranged in the furniture accommodating chamber and the operative position of the furniture is reached when the raising/lowering unit is fully raised up and the furniture is then tilted is disclosed. The apparatus includes as essential components a triangular link plate turnably supported on a rotational shaft transversely projecting from the raising/-lowering unit, a support shaft for the furniture turnably arranged on the rotational shaft, an opposing pair of substantially inverted U-shaped turnable engagement pieces, and a pair of joint links bridged between the link plate and the engagement pieces. The raising/lowering unit is provided with engagement projections on the opposite sides at the upper end thereof and a stopper pin at the intermediate position at the lower end thereof. The engagement projections come in contact with the lower surfaces of the frames of the furniture accommodating chamber and the stopper on the link plate collides with the stopper pin on the raising/lowering unit, when the raising/lowering unit is fully raised up in the furniture accommodating chamber.