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:
May. 05, 1987
Filed:
Apr. 29, 1985
Applicant:
Inventor:
Lawrence L Lee, San Diego, CA (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B25C / ;
U.S. Cl.
CPC ...
227147 ; 227113 ; 227129 ; 227130 ; 74110 ; 173 90 ;
Abstract
A precision guided hammer or impact device includes a guide track on which is reciprocally mounted an impact member for movement between an impact position at one end of the guide member and a retracted position, and further includes a reciprocating manual input member which is connected by a multiplication linkage to the impact member for multiplying the input velocity for driving the impact member at a high velocity relative to the input velocity.