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:
Apr. 18, 2000
Filed:
Feb. 27, 1997
Applicant:
Inventors:
Jari P Jarvinen, Ronkonkoma, NY (US);
Thomas J Cassar, St. James, NY (US);
Kevin J Costello, Sea Cliff, NY (US);
Scott A Valorose, Ronkonkoma, NY (US);
Assignee:
KeySpan Energy, Hicksville, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B25C / ;
U.S. Cl.
CPC ...
173 31 ; 173112 ; 173152 ; 1731621 ; 173171 ; 173186 ;
Abstract
An ergonomic demolition tool includes a jackhammer and a lift assist mechanism having a wheeled caster assembly. The lift assist mechanism has a frame which is movable between upper and lower positions to provide a lifting force to assist the jackhammer operator in raising the jackhammer.
Jarvinen, Jari. (2000). Ergonomic tool with lift assist mechanism (U.S. Patent No. 6050345). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6050345
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile