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, 2021
Filed:
Oct. 30, 2019
Hussey Seating Company, North Berwick, ME (US);
Michael L. Leighton, Saco, ME (US);
Chi-lam Yau, Dover, NH (US);
Hussey Seating Company, North Berwick, ME (US);
Abstract
Apparatus for securing adjacent tiers of a retractable bleacher to prevent relative vertical movement between the adjacent tiers when the retractable bleacher is fully extended are described. The retractable bleacher includes a first engagement member that is secured to a first decking tier, a second engagement member secured to a second adjacent decking tier. The first engagement member and the second engagement member are configured and cooperative to prevent relative vertical movement of the second decking tier with respect to the first decking tier when the retractable bleacher is fully extended in the open configuration.