Tool driving or impacting – Impacting devices – Impact transmitting anvil
Patent
1985-06-26
1987-03-10
Meister, James M.
Tool driving or impacting
Impacting devices
Impact transmitting anvil
173162H, 16116R, B25D 904
Patent
active
046484680
ABSTRACT:
A portable, hand-held tool of the type generating vibration during operation is improved by a construction in which the forward barrel-like part of the tool is embraced by an elastomer-filled cavity or cup in a barrel-related handle, the handle and barrel being typically rigid but separate and secured together by only the elastomer material. The cup-like part of the handle surrounds the rear part of the barrel to afford an annular space, which is filled with initially flowable and subsequently curable elastomer, notably of polyurethane. The base or radial rear wall of the cup is spaced to the rear of the radial rear end of the barrel and this space is contiguous with the annular space and is also filled with the elastomer material. This wall has a through opening to allow for temporary deformation of the elastomer during operation of the tool.
REFERENCES:
patent: 2019964 (1935-11-01), Hamerly
patent: 2058583 (1936-10-01), Forss
patent: 2425245 (1947-08-01), Johnson
patent: 3294183 (1964-09-01), Riley, Jr. et al.
patent: 3301335 (1964-04-01), Snelling
patent: 3451492 (1967-11-01), Ekstrom et al.
patent: 3735824 (1973-05-01), Astrom
patent: 3968843 (1976-07-01), Shotwell
patent: 4073350 (1978-02-01), Eklof et al.
Honsa Technologies
Knoble John L.
Meister James M.
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