Elongated-member-driving apparatus – Miscellaneous
Reexamination Certificate
2006-04-04
2006-04-04
Gerrity, Stephen F. (Department: 3721)
Elongated-member-driving apparatus
Miscellaneous
C227S130000, C227S147000
Reexamination Certificate
active
07021516
ABSTRACT:
A novel driver blade for use in a fastening tool having a piston is provided comprising an elongate body, a head at one end of the body for coupling to the piston, a tip at the other end of the body for impacting a fastener to drive said fastener into a workpiece, and a stiffening rib protruding from the body, the rib extending substantially along the length of the body, wherein the stamped elongate driver blade is made of annealed cold rolled spring steel. A novel method of manufacturing an elongate driver blade is also provided comprising the steps of providing cold rolled spring steel, forming an elongate blank from the cold rolled spring steel, providing a stamping die having a generally planar stamping surface with an elongate groove in the stamping surface, and stamping the blank into the stamping die with the elongate groove to form the elongate driver blade having an elongate stiffening rib.
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Miller Allan F.
Smolinski Darek
Beem Patent Law Firm
Croll Mark W.
Gerrity Stephen F.
Illinois Tool Works Inc.
Soltis Lisa M.
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