Device on hand power tool for driving tools

Details Device on hand power tool for driving tools Device on hand power tool for driving tools

1994-11-16

1996-04-09

Bishop, Steven C.

Cutting by use of rotating axially moving tool

With means to apply transient, fluent medium to work or product

Including tool with duct

279 194, 279 20, 408226, B23B 4516, B23B 5102

Patent

active

055055702

ABSTRACT:
A device on power tools for driving impact and/or drilling tools has a tool having a tool shaft provided with at least two drive grooves open toward a shaft end and at least one locking trough closed toward the shaft end, in which correspondingly a driver and a locking body of a tool receptacle engage. For increasing the driving, at least one axial formation is provided on a projection of the thicker portion of the tool shaft to a thinner insertion end of the tool at the end side for an additional driving, which axial formation cooperates with an axial formation, for example a tooth, of a driven part, for example an auxiliary strip, at the end side of the tool holder.

REFERENCES:
patent: 5326199 (1994-07-01), Kleine et al.
patent: 5375950 (1994-12-01), Schulz et al.

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