Rotary impact tool, shock attenuating coupling device for a rotary impact tool, and rotary impact attenuating device
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United States of America Patent
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Issued Date -
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app pub date -
Mar 12, 2007
filing date -
Apr 7, 2005
priority date (Note) -
Abandoned
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Abstract
A shock attenuating coupling device is provided for a rotary impact tool for drivingly connecting a hammer mechanism to a drive anvil. The shock attenuating coupling device includes a first coupling member, a second coupling member, and a body of resilient material. The first coupling member has a longitudinal drive portion with an input end configured to couple for rotation with a hammer mechanism and an output end with a first jaw portion. The second coupling member has an output end configured to couple for rotation with a drive anvil and an input end with a second jaw portion configured to cooperate in longitudinally overlapping and circumferentially spaced-apart relation with the first jaw portion. The body of resilient material is interposed between the first jaw portion and the second jaw portion. A rotary impact tool with the shock attenuating coupling device is also provided.
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