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US 5,511,912 AGranted
Hand tool attachment
OwnerBrian E. Ellerbrockinventor
Life of this patent
Estimating the term…
Abstract
An attachment for a hand tool for converting rotary motion to reciprocating motion to an air bathed tool holding chuck.
Claims8
A hand tool attachment comprising
- a housing;
- a tool holder mounted for reciprocating movement with respect to said housing;
- spring means biasing said tool holder in a first direction;
- a crown cam mounted in said housing for rotary movement to intermittently urge said tool holder in a second direction against the bias of said spring means;
- rotary power input for rotating said crown cam to impart reciprocating movement to said tool holder;
- and
- a cylinder associated with said tool holder and provided with an inlet and an outlet, a piston mounted to reciprocate with said cylinder by said cam to cause an air flow from the outlet.
4 more elements
Dependencies are inferred from the claim text.