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. 26, 1989
Filed:
Jul. 19, 1988
Applicant:
Inventors:
Dan E Lowrance, Fort Worth, TX (US);
Donald L Douglas, Stephenville, TX (US);
David W Merryfield, Mansfield, TX (US);
Assignee:
Special Projects Manufacturing Inc., Ft. Worth, TX (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B65G / ;
U.S. Cl.
CPC ...
221 75 ; 29456 ; 2915 / ; 1984671 ; 198670 ; 221281 ; 221197 ;
Abstract
A ball dispenser dispenses balls into a flow line leading into a well. The ball dispenser has a subassembly that slides into and out of a cylindrical housing. The subassembly has a shaft that rotates within an array of vertical guide members. A helical flight is secured to the shaft. The subassembly will slide into a loading sleeve for loading purposes. The loading sleeve has a long vertical slot on one side to load the balls onto the flight.