Hydraulic pulse wrench
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jun 13, 1989
Grant Date -
N/A
app pub date -
Sep 28, 1987
filing date -
Sep 29, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An improved hydraulic pulse wrench provided with a hydraulic pulse generator has a liner, an anvil rotatably mounted in the liner and having a longitudinal slit, and two blades loosely mounted in the longitudinal slit. The liner has an elliptic hole. The two blades have their outer edges beveled in different directions. The anvil has a pair of axial ridges and the liner has on its inner periphery a total of five axial ridges. The blades, anvil and liner cooperate with one another to form pressure chambers while the liner is rotated.
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Cited Art Landscape
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