Patent ID: 9308636
Filing Date: 2016-04-12
CPC Classification: B25D,B25G

Claim Text:
1. A rotary power tool comprising: a housing; a tool element defining a working axis; a handle coupled to the housing and movable along a first axis parallel with the working axis between a retracted position and an extended position relative to the housing, the handle including an upper portion and a lower portion; an upper joint coupling the upper portion of the handle to the housing; and a lower joint coupling the lower portion of the handle to the housing, each of the upper and lower joints including a rod extending into the handle and a biasing member disposed between the handle and the housing, the biasing member operable to bias the handle toward the extended position, wherein each of the upper and lower joints is operable to attenuate vibration transmitted along the first axis and along a second axis orthogonal to the first axis, wherein each of the upper and lower joints further includes a first guide and a second guide disposed on opposing sides of the rod, the first and second guides being slidable along the rod as the handle moves between the extended position and the retracted position, and wherein each of the upper and lower joints further includes a first bumper disposed between the first guide and the handle and a second bumper disposed between the second guide and the handle, the first bumper and the second bumper operable to attenuate vibration transmitted along the second axis.