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:
Nov. 13, 1979
Filed:
Jun. 06, 1978
William D McDonald, Monroe, OR (US);
Other;
Abstract
A portable truss fabricating apparatus in the nature of a trailer enables convenient and expeditious manufacturing of wooden trusses on the job site. The use of dual articulated and counterbalanced booms on an elevated support structure of the apparatus with a conventional hydraulic C-clamp suspended by a cable from one boom places any joint on the truss in easy reach of the operator without shifting the truss lumber, and giving the operator complete freedom of movement without the burden of carrying the hydraulic C-clamp. The truss supporting bed of the apparatus includes both longitudinal and transverse extension members which are retracted during transport. Means to safely stow the dual boom structure and to stabilize the long support bed during transport are also provided.