Cellular foam bumper for nailer

Details Cellular foam bumper for nailer Cellular foam bumper for nailer

2011-07-12

2011-07-12

Nash, Brian D (Department: 3721)

Tool driving or impacting

Impacting devices

With impact cushioning means

C173S206000, C173S218000

Reexamination Certificate

active

07975777

ABSTRACT:
A device for impacting a fastener in one embodiment includes a drive channel, a cylinder opening at an end portion to the drive channel, a microcellular polyurethane elastomer (MPE) bumper fixedly positioned at the end portion of the cylinder, the MPE bumper including a drive bore extending therethrough and aligned with the drive channel, and an outer wall defining a plurality of grooves extending radially about the MPE bumper, and a drive mechanism including a drive blade aligned with the drive bore.

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European Search Report in corresponding European application (i.e., EP 09 17 9292), mailed May 18, 2010 (2 pages).

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