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:
Jul. 04, 1989
Filed:
Nov. 05, 1987
Henry J Albright, West Des Moines, IA (US);
Fawn Engineering Corp., Des Moines, IA (US);
Abstract
In a vending machine shelf arrangement, wherein a combined helix unit and drive unit are vertically slidably mounted within a vertical slot formed in a rear panel mounted on the base of the shelf, an assembly for preventing accidental axial separation of a helix unit from a drive unit which includes a first disc element mounted at the rear end of the helix unit adjacent the rear panel and frictionally gripping a drive connection of the helix unit with the drive unit, and a second lip element upstanding on the shelf base and also adjacent the rear panel, the disc element interposed between the lip element and the rear panel thereby preventing normal separation of the helix unit from the drive unit.