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. 11, 1989
Filed:
Nov. 20, 1987
Applicant:
Inventor:
Marshall G Bailey, Banchory, GB;
Assignee:
Thule United Limited, Aberdeen, GB;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B07B / ;
U.S. Cl.
CPC ...
209399 ; 209403 ; 209405 ;
Abstract
A basket 1 of vibratory screening apparatus comprises inflatable elastomeric member 3 positioned to overlie a part of a screen member 5, 7 mounted in the basket. Inflation of the inflatable elastomeric member 3 causes it to press against a screen frame 7 of the screen member, clamping it against a support 9, 29 of the basket 1. Preferably the inflatable elastomeric member 3 is deflatable and a reservoir 19 may be provided for vented inflation fluid. The screen member may be pre- or post-tensioned. The basket 1 may comprise supports 29 and inflatable elastomeric member 3 positioned to press against parts of the screen member remote from its periphery.