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US 2003/0121681 A1Published application
Driving tool having an impacting device
OwnerBig Juinventor
Life of this patent
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Abstract
A driving tool includes a block and an impactor received in a front and a rear chambers of a handle, a driving shank attached to the block, and a plunger engaged between the block and the impactor. The impactor includes a cavity formed in one end for selectively receiving the tip of the plunger and for impacting onto the plunger and the block and the driving shank when the tip of the plunger is aligned with and engaged into the cavity of the impactor. The block has a guide device for guiding the block and the driving shank to rotate relative to the handle.
Claims13
A driving tool comprising:
- a handle including a front chamber and a rear chamber formed therein, and a partition provided between said front chamber and said rear chamber of said handle, said partition including a passage formed therein,
- a block slidably and rotatably received in said front chamber of said handle,
- a driving shank attached to said block,
- a plunger slidably received in said passage of said partition, and including a first end engageable with said block, and a second end having a tip provided thereon,
- an impactor slidably received in said rear chamber of said handle, and including a first end having a cavity formed therein for selectively receiving said tip of said plunger,
- means for aligning said tip of said plunger with said cavity of said impactor,
- a first biasing means for biasing said impactor toward said partition, said first biasing means biasing and forcing said impactor onto said plunger and said block when said tip of said plunger is aligned with and engaged into said cavity of said impactor, and
- means for guiding said block to rotate relative to said handle.
5 more elements
Dependencies are inferred from the claim text.