Annular cushioning buffer for fastener-driving tools
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United States of America Patent
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Jun 25, 1991
Grant Date -
N/A
app pub date -
Sep 18, 1989
filing date -
Sep 20, 1988
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An annular cushioning buffer (1) is fabricated from an elastic material, such as, for example, polyurethane, for use in connection with fastener-driving tools for impact load distribution and energy absorption purposes. The buffer (1) includes an axially central passage (2) having an axis (M), as well as a plurality of axially extending holes (3) equiangularly spaced about the annular buffer (1) along a circular locus thereof. Radially extending slots (6) extend toward and open onto or pierce inner and outer peripheral or circumferential surfaces (4,5) of the buffer (1) in an alternative fashion so as to uniformly distribute the load impressed upon the buffer (1) by means of the striking piston of the fastener-driving tool.
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