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:
Jan. 06, 2004
Filed:
Sep. 24, 2002
Daryl F. Speed, Vancouver, B.C., CA;
Christopher D. Isfeld, Abbotsford, B.C., CA;
Mark Rees-Howlett, Abbotsford, B.C., CA;
Brent A. Foster, Abbotsford, B.C., CA;
Other;
Abstract
The device comprises a housing encasing a pair of upper and lower hooks, for counter-rotational movements; a pair of upper and lower adjusting assemblies, vertically spaced in parallel with the pair of upper and lower hooks for positioning the latter within the housing; an actuating assembly including a double-armed pivot having a cylindrical body and a pair of radially extending arms, disposed between the pair of upper and lower hooks; and a pair of upper and lower connecting links, mounted between the double-armed pivot and the pair of upper and lower hooks. Upper and lower connecting links are different, to accommodate the cylindrical body, in all the positions of the hooks. The upper connecting link can partially wrap around, the cylindrical body. The lower connecting link can partially wrap around, the cylindrical body.