Vibration insulating handle

Details Vibration insulating handle Vibration insulating handle

1985-05-07

1986-09-16

Yost, Frank T.

Tool driving or impacting

Including means to vibrationally isolate a drive means from...

745519, 173168, 173DIG2, 181230, B25G 102, F01N 120

Patent

active

046116710

ABSTRACT:
A vibration insulating handle for a pneumatic power tool comprising an inner tube (15) and an outer tube (16) both rigidly but adjustably attached to the tool housing (10). The inner tube (15) forms an air exhaust passage (13) which communicates with a silencer (12) carried on the extreme end of the outer tube (16). The tubes (15, 16) are radially spaced relative to each other leaving an annular heat insulating gap therebetween. A weakened portion (30) on the outer tube (16) is located adjacent the tool housing end of the latter and comprises two axially spaced pairs of peripherally extending slots (27, 28). The weakened portion (30) enables the outer tube (16) to yield elastically in radial directions to bending and shearing vibration forces transmitted to the handle during operation of the tool.

REFERENCES:
patent: 2101869 (1937-12-01), Noble
patent: 4161996 (1979-07-01), Dolejsi
patent: 4371043 (1983-02-01), Kubokawa
patent: 4421181 (1983-12-01), Andersson et al.

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