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:
Oct. 06, 1987
Filed:
Sep. 27, 1982
James H Wicker, Charlotte, NC (US);
Specialty Manufacturing Company, Charlotte, NC (US);
Abstract
A crossing arm unit for use on the front of school buses and the like to protect children walking in front of the school bus, the crossing arm unit including a frame attached to the front bumper of the school bus, and a movable arm pivotally mounted in the frame for movement between a retracted position along side the bumper and an extended position projecting outwardly from the bumper. The movable arm includes a pivot plate having a relatively small extending length and being formed of relatively heavy, strong metal, a support plate connected to the pivot plate to extend therefrom, the support plate being formed of a lighter material and having an extending length substantially greater than that of the pivot plate, and a U-shaped metal rod having a closed end portion and leg portions extending along the length of the support plate and being joined thereto at spaced locations, the rod having an extending length from the support plate that is substantially greater than the extending length of the support plate. A conventional drive is provided to move the arm member between its extended and retracted positions.