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. 17, 1991
Filed:
Jan. 25, 1991
Johnson Peng, Taipei, TW;
Duracraft Corporation, Sudbury, MA (US);
Abstract
An environmental conditioning apparatus including a control unit for conditioning a surrounding environment; a housing retaining the conditioning unit and comprising a flange defining an opening, the flange having inner and outer flange edge portions separated by oppositely directed front and rear flange surface portions; and a grill covering the opening and comprising a rim juxtaposed to the flange, the rim having inner and outer rim edge portions separated by oppositely directed front and rear rim surface portions and the rear rim surface portion facing the front flange surface portion. Also included are a plurality of fastening elements securing the rim to the flange; each of the elements being U-shaped and having an inner leg portion extending over the inner rim and flange edge portions, an outer leg portion extending over the outer rim and flange edge portions, a web portion joining the inner and outer leg portions and engaging either the front rim surface portion or the rear flange surface portion, and a latch portion terminating one of the leg portions and engaging the other front rim surface portion or rear flange surface portion not engaged by the web portion. The fastening elements facilitate assembly and disassembly of the grill.