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:
Jun. 15, 1999
Filed:
Dec. 24, 1997
Ronald L Campbell, Shasta Lake, CA (US);
Other;
Abstract
A lifting device for raising a load intended for support by a roof of a building utilizing a ladder. Device includes a sled having first portion for slidingly contacting the ladder and a second portion providing a platform for a load. The sled is movable along the ladder generally in an up and down direction. A brace member connects to the ladder end, adjacent the roof. The brace possesses a flange which contacts the roof. An arm rotatably connects to the brace. The brace arm includes a first support surface for the sled when the arm is rotated toward the roof and a second support surface for contacting the roof. The sled is motivated along the ladder by motivating mechanism such as a crank operated cable.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile