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:
Jul. 12, 2022

Filed:

Nov. 18, 2020
Applicant:

Benq Corporation, Taipei, TW;

Inventor:

Chih-Ming Chen, Taipei, TW;

Assignee:

BenQ Corporation, Taipei, TW;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01H 21/24 (2006.01); H01H 11/00 (2006.01); H01H 21/04 (2006.01);
U.S. Cl.
CPC ...
H01H 21/24 (2013.01); H01H 11/005 (2013.01); H01H 21/04 (2013.01); H01H 2227/032 (2013.01); H01H 2233/058 (2013.01); H01H 2235/016 (2013.01);
Abstract

A key preloading structure including a base, a set of switches and a set of keys is provided. The set of switches is arranged on the base. The set of keys has a rotating shaft and two actuators. The rotating shaft is assembled on the base. One end of each actuator is fixedly connected to the rotating shaft, and another end is disposed on a switch of the set of switches. Each of the two actuators preloads the set of switches with a force less than a triggering force for starting the set of switches.


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