Combined bin valve and conveyor duct section for pressurized delivery systems

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Description

FIG. 1 is a perspective view, viewed from the front side and below, of a combined bin valve and conveyor duct section for pressurized delivery systems showing our new design;

FIG. 2 is a front side elevation view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is an end elevation view thereof viewed from the downstream end;

FIG. 5 is an end elevation view thereof viewed from the upstream end;

FIG. 6 is a bottom view thereof; and _

FIG. 7 is an exploded perspective view viewed from the rear side and above, with the valve member and top cover plate exploded from the conveyor duct section.

Referenced Cited
U.S. Patent Documents
D232553 August 1974 Settle
D243552 March 1, 1977 Squier
D258609 March 17, 1981 Vogt
1127324 February 1915 Vasey
3312022 April 1967 Marriage
Patent History
Patent number: D283265
Type: Grant
Filed: Jul 19, 1983
Date of Patent: Apr 1, 1986
Inventors: Marvin R. Preskey (Glenburn, ND), Richard A. Bloms (Glenburn, ND)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Brian N. Vinson
Law Firm: Mason, Fenwick & Lawrence
Application Number: 6/515,453
Classifications
Current U.S. Class: Conveying, Lifting, Or Transferring Article (D34/28)