US 7,320,369 B2
Vibration reduction apparatus for power tool and power tool incorporating such apparatus
Michael Stirm, Oberursel (Germany); Reimund Becht, Hühnfelden (Germany); and Norbert Hahn, Hühnstetten—Limbach (Germany)
Assigned to Black & Decker Inc., Newark, Del. (US)
Filed on Nov. 04, 2004, as Appl. No. 10/981,197.
Claims priority of application No. 0325643 (GB), filed on Nov. 04, 2003.
Prior Publication US 2005/0263307 A1, Dec. 01, 2005
Int. Cl. B25D 17/04 (2006.01)
U.S. Cl. 173—162.2  [173/162.1] 42 Claims
OG exemplary drawing
 
1. A handle assembly for a power tool, the assembly comprising:
a handle adapted to be held by a user of the power tool and to be mounted to a housing of the power tool such that the handle is capable of movement relative to the housing;
biasing means for urging said handle towards a first handle position relative to said housing; and
adjustment means for adjusting the biasing force of said biasing means, wherein said adjustment means comprises at least one cam adapted to rotate about a respective first axis and rotation of the at least one cam about the first axis causes movement of a portion of the biasing means in a direction substantially parallel to the first axis to move and fix a portion of said biasing means relative to said housing.