The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 16, 1979
Filed:
Dec. 29, 1977
Applicant:
Inventor:
Roger A Wilson, Clarissa, MN (US);
Assignee:
Other;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B25D / ;
U.S. Cl.
CPC ...
173117 ; 173119 ; 173123 ; 173133 ;
Abstract
A power hammer having an elongated hammer element disposed in a tubular housing for reciprocating motion therein and having a cylindrical cam concentrically mounted with respect to the tubular housing for displacing the hammer element against the force of a compression spring. When a point in the cam profile is reached which drops off abruptly, the hammer element is driven against an anvil member also disposed in the tubular housing. The cam is adapted to be driven by either an electric motor or another suitable source of rotational power.
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Wilson, Roger. (1979). Power hammer (U.S. Patent No. 4171024). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4171024
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile