CPC B25C 1/047 (2013.01) [B25C 1/06 (2013.01)] | 17 Claims |
1. A power tool, comprising:
an air spring cylinder;
a piston movably positioned within the air spring cylinder;
a driver blade fixedly attached to the piston;
a rack fixedly attached to the piston;
a lifter gear including a lifter gear wheel portion, and a plurality of teeth extending radially from the lifter gear wheel portion and configured to engage the rack;
a motor including a motor output;
a hub including a first end operably connected to the motor output and a second end including a hub wheel portion;
a first receptacle in one of the lifter gear and the hub;
a first bearing element extending from the other of the lifter gear and the hub and into the first receptacle; and
a first elastomeric damper positioned within the first receptacle between the first bearing element and a bearing element defined portion of the first receptacle.
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