Pneumatic chipping hammer and method of manufacture

Details Pneumatic chipping hammer and method of manufacture Pneumatic chipping hammer and method of manufacture

1987-01-21

1988-03-22

Echols, P. W.

Tool driving or impacting

Drive control operable by hand engaging manipulating handle

29157R, 295271, 295273, 29DIG10, 264263, 264275, B23B 4504

Patent

active

047322217

ABSTRACT:
A pneumatic power tool that includes fluid conveying passageways formed by casting grooves in the tool exterior and then molding an elastomeric material over the grooves to enclose the passageways.

REFERENCES:
patent: 1027062 (1912-05-01), Norling
patent: 1557777 (1925-10-01), Santos
patent: 2221100 (1940-11-01), Lear
patent: 2641439 (1953-06-01), Williams
patent: 2864338 (1958-12-01), Zimmermann
patent: 4303131 (1981-12-01), Clark
patent: 4342144 (1982-08-01), Doguchi

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