Patent ID: 8025127
Filing Date: 2011-09-27
Classification: B25H,F16B

Abstract:
1. A telescopic table board positioned with a resilient pin, the telescopic table board comprising: a left table board and a right table board slidely nested with each other; wherein: as for the left table board and the right table board, one of them is fixedly provided with a rack, while the other with a corresponding seat bore, in which is a resilient pin positioned, which is mainly composed of a positioning fastener and a spring; the positioning fastener has a head and a tail, is provided at the head with a tooth head engaged with the corresponding rack, extends at the tail through the seat bore, and is provided at the tail end with a handle, the handle being provided with a cylindrical inserted segment, which is inserted in the seat bore, which is provided inside with a positioning lug; the inserted segment is provided on the head face with a locking positioning slot corresponding to the positioning lug, thus forming two shift positions, one being high while the other low, on the head face of the inserted segment, corresponding to a locking state and an unlocking state, respectively; and the spring is sleeved onto the positioning fastener, and functions between the positioning fastener and the seat bore, thus constituting a telescopic positioning mechanism between the left table board and the right table board.