Percussive air tool

Tool driving or impacting – Impacting devices – Impact transmitting anvil

Patent

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Details

173134, 279102, 403334, B25D 1708

Patent

active

046064141

ABSTRACT:
A hollow housing has a piston hammer arranged for reciprocation therein. hammer has a rear end chamber, an air distributing valve secured in the rear end portion of the housing and adapted to be received by the rear end chamber of the piston hammer. A headpiece is secured to the forward end portion of the housing and subjected to impact of the piston hammer. A retainer embraces by at least one of its ends, the forward end portion of the housing and is disposed coaxially relative to the housing and the headpiece to ensure clamping of the forward end portion of the housing between the retainer and the headpiece.

REFERENCES:
patent: 104884 (1870-06-01), Reinshagen
patent: 308639 (1884-12-01), Stevens
patent: 953896 (1910-04-01), Clattenburg
patent: 1097545 (1914-05-01), Grines
patent: 1606188 (1926-11-01), Selah
patent: 1859611 (1932-05-01), Yungling
patent: 1928707 (1933-10-01), Stevens
patent: 2094184 (1937-10-01), Noble
patent: 2098581 (1937-11-01), Janes
patent: 2936736 (1960-05-01), Werstein
patent: 3123156 (1964-03-01), Gapstur
patent: 3508773 (1970-04-01), Coberly et al.
patent: 4262917 (1981-04-01), Ottestad

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