US 7,571,550 B2
Stylus for key duplicating machine with replaceable segmented stylus
Kuo-Shen Wu, Taipei (Taiwan)
Assigned to East of Wu Co., Ltd., Taipei (Taiwan)
Filed on Nov. 09, 2006, as Appl. No. 11/594,868.
Claims priority of application No. 94221761 U (TW), filed on Dec. 12, 2005.
Prior Publication US 2007/0130786 A1, Jun. 14, 2007
Int. Cl. G01B 5/00 (2006.01)
U.S. Cl. 33—559  [33/556] 3 Claims
OG exemplary drawing
 
1. A stylus for key duplicating machine with replaceable segmented stylus comprising:
a cylindrical body having a stopper disposed within the cylindrical body;
a spring-loaded tracer having a slide spindle movably engaged within the cylindrical body and biased backward by engagement of a spring with the stopper and a front wall of the cylindrical body towards a rear end of said cylindrical body;
a replaceable segmented stylus releasably secured on a front end of said slide spindle for easy replacement of said replaceable segmented stylus damaged during key duplicating by a new one; and
a regulating grip angularly movably engaged to the rear end of said cylindrical body.