Percussive air tool
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Aug 19, 1986
Grant Date -
N/A
app pub date -
Mar 4, 1982
filing date -
Mar 4, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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