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. 17, 2017
Filed:
May. 01, 2017
The Boeing Company, Chicago, IL (US);
Gordon D. Davis, Marysville, WA (US);
Gary M. Buckus, Bothell, WA (US);
William W. Cleary, Pasadena, CA (US);
Farshad Forouhar, Lake Forest Park, WA (US);
Vincent E. Engdahl, Everett, WA (US);
Curtis N. Sovereen, Everett, WA (US);
The Boeing Company, Chicago, IL (US);
Abstract
Disclosed herein is a scissor lift comprising a passenger basket. The scissor lift also comprises a base that comprises wheels. The scissor lift further comprises a scissor extension mechanism between the passenger basket and the base. The scissor extension mechanism is configured to raise the passenger basket in a first direction relative to the base and lower the passenger basket in a second direction, opposite the first direction, relative to the base. The scissor lift additionally comprises a through-beam sensor system co-movably coupled to the scissor extension mechanism. The through-beam sensor system moves in a third direction, perpendicular to the first direction and the second direction, when the scissor extension mechanism raises the passenger basket and moves in a fourth direction, opposite the third direction, when the scissor extension mechanism lowers the passenger basket.