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:
Dec. 20, 1988
Filed:
Sep. 21, 1987
Michael J Podoll, Marion, IA (US);
Inter Innovation LeFebure Manufacturing Corporation, Cedar Rapids, IA (US);
Abstract
A single overhead pneumatic tube system employs a large rectangular tube, a pair of overhead mounted blowers and a large rectangular captive carrier having a pair of oppositely disposed sliding covers which are locked in position when the carrier is passing from one terminal to the other. The locking means for each cover includes a pair of diagonally offset bolts having heads exposed through apertures in the cover. The locking bolts of the two covers are interconnected so that withdrawal of the bolts of one cover by pressure on their bolt heads also withdraws the bolts of the other cover and so unlocks both covers at the same time.