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.

Date of Patent:
Apr. 12, 1977

Filed:

Oct. 21, 1975
Applicant:
Inventor:

Edward F Spring, Sr, Mohawk, NY (US);

Assignee:

Chicago Pneumatic Tool Company, New York, NY (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23B / ; E03B / ;
U.S. Cl.
CPC ...
173169 ; 13762521 ; 1375992 ;
Abstract

A nut running pneumatically powered tool, such as an impact wrench, having in a handle portion a group of valves including a throttle valve for admitting air to the tool, a manually adjustable directional valve for selectively directing the air to either a forward or reverse side of an air motor, and a regulating unit located between the directional valve and the throttle valve manually adjustable independently of the directional valve for regulating the volume air flow from the throttle valve to the directional valve.


Find Patent Forward Citations

Quick Actions:

Spring, Sr, Edward. (1977). Pneumatic nut runner having a directional valve and an air regulator (U.S. Patent No. 4016940). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4016940

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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