Impact tool

Details Impact tool Impact tool

1977-04-26

1979-09-25

Pate, III, William

Boring or penetrating the earth

With tool shaft detail

Shaft carried guide or protector

29447, 173162R, 173DIG2, 181207, B25D 1712

Patent

active

041687540

ABSTRACT:
A vibration damper for an impact tool comprises a damping material which at least partly surrounds the working part of the tool, a heat shrinkable sleeve for holding the damping material in place on the working part of the tool.

REFERENCES:
patent: 3297819 (1967-01-01), Wetmore
patent: 3842942 (1974-10-01), Jensen et al.
patent: 3848931 (1974-11-01), Swisher
patent: 3861494 (1975-01-01), Grego
patent: 3918530 (1975-11-01), Nyholm
patent: 4044625 (1977-08-01), D'Haem et al.

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