Patent ID: 7086573
Filing Date: 2006-08-08
Classification: B25C

Abstract:
1. A braking unit for nail drivers that have a securing slide rod with a transverse section, said braking unit being a rotary retaining unit pivotally mounted on lateral sides of a punch channel of one said nail driver, comprising: a front blocking portion capable of engaging said transverse section of said securing slide rod; a first cam connected to said front blocking portion through a sloped surface, said sloppy surface capable of engaging said transverse section of said securing slide rod so as to depart said retaining unit from said punch channel; a second cam connected to said first cam through a recess, said second cam capable of being inserted into said punch channel for touching a plurality of nails therein, said second cam being pushed by said nails and activating a rotation of said first cam and said front blocking portion; and a handle portion formed in a lateral end of said retaining unit, whereby said handle portion can be pushed so as to rotate said first cam and said second cam of said retaining unit out of said punch channel.