Patent ID: 6811109
Filing Date: 2004-11-02
Classification: G01B

Abstract:
A power-return tape measure, comprising:a main case having first and second sidewalls and a peripheral wall extending between said sidewalls; a tape measure blade coiled about a drum assembly, said drum assembly including a drum having side flanges disposed generally parallel to said main case sidewalls and a core therebetween, said core generally defining a central cavity; said drum assembly further including a drum cap secured to said drum so as to substantially enclose said central cavity, said drum cap including a first hole of a first diameter; said drum assembly further including a disc disposed adjacent said drum cap and internal to said central cavity, said disc including a second hole of a second diameter smaller than said first diameter; a post disposed between said first and second sidewalls and extending through said central cavity, said first hole, and said second hole; a spring wound substantially within said central cavity and mounted to said post so as to provide a retraction bias for said tape blade; and wherein said post extends through said second hole with a sliding fit and through said first hole without touching said drum cap.