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:
Sep. 07, 1976
Filed:
Sep. 05, 1975
Applicant:
Inventor:
Ezra Dale Hartley, Los Angeles, CA (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B67D / ;
U.S. Cl.
CPC ...
222 61 ; 2221445 ; 222309 ; 222334 ;
Abstract
A dispenser for flowable material comprising a pump, a dispensing head coupled to the outlet of the pump, a control valve for controlling pump operation, and a manually operable valve carried by the dispensing head for controlling the control valve. The pump includes a rolling diaphragm which is moved on the discharge stroke by fluid under pressure supplied from the control valve and is moved on the intake stroke by a spring. None of the controls for the dispenser are electrical.