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:
May. 08, 2018

Filed:

May. 23, 2016
Applicant:

Hydra-electric Company, Burbank, CA (US);

Inventor:

John Chick Hong Tang, Monterey Park, CA (US);

Assignee:

HYDRA-ELECTRIC COMPANY, Burbank, CA (US);

Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
H01H 5/20 (2006.01); H01H 35/26 (2006.01); H01H 5/18 (2006.01);
U.S. Cl.
CPC ...
H01H 35/2692 (2013.01); H01H 5/18 (2013.01); H01H 2203/004 (2013.01); H01H 2223/002 (2013.01); H01H 2235/01 (2013.01);
Abstract

A pressure switch including: a spring blade; a ram pin having an angled bottom surface and laterally restrained in movement, where upward movement of the ram pin engages the spring blade such that the spring blade snap deflects to an engaged position, and where downward movement of the ram pin engages the spring blade such that the spring blade snap deflects to an unengaged position; a ball bearing in contact with the angled bottom surface of the ram pin; and an adjustment screw laterally restraining the ball bearing in movement, where a lateral inward movement of the adjustment screw relative to an outside surface of the pressure switch causes an upward movement of the ram pin, and where a lateral outward movement of the adjustment screw relative to the outside surface of the pressure switch causes a downward movement of the ram pin.


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