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:
Jun. 12, 2001
Filed:
Oct. 27, 1999
Michiyoshi Momose, Tokyo, JP;
Kabushikikaisya Kotobuki, Tokyo, JP;
Abstract
A chair-raising and folding construction is simple in construction and reduced in weight, and is also capable of, when using a moving stand with lower stages of decks protracted, effectively preventing spectators, etc. from entering into non-used decks protracted. The moving stand telescopically accommodates and protracts a plurality stages of decks (,). Each of the decks (,) has a plurality of raisable and foldable chairs (,). A leg portion (,) of the chair (,) is hinge-connected to a base frame (,) disposed on the deck (,). A crank member (,), comprising a swing arm (,) protruding upward from the base frame (,), and a hook (,) protruding forward from a lower end portion of the swing arm (,), is rotatably supported at a corner portion thereof. The swing arm,has such a protruding length such that a distal end portion thereof abuts against a front end surface (,) of the upper stage-side deck (,). The leg portion (,) is provided with a lock member (,) engaged with the hook when the leg portion takes the raised attitude.