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:
Jun. 29, 1982
Filed:
Jun. 02, 1980
Jackson H Smith, Union Grove, AL (US);
Eaton Corporation, Cleveland, OH (US);
Abstract
A speed control trigger switch of a double-pole configuration. One pole of said switch is an ON-OFF switch, while the other pole controls the speed control circuit. A contact carrier block (20) carries the two movable contacts (22,38), one for each pole of the switch. As the carrier block begins to move, the contact for the speed control side closes the speed control circuit by contacting two contacts, a contact/terminal (26) and a heat sink (24). As the block continues to move due to continued pressure on the trigger (16), the speed of the motor controlled by the switch continues to increase until the FULL-ON position is reached when the movable contact (22) closes the gap between the two contact/terminals (26,36). The contact portion (36a) of that contact/terminal is located between the other contact/terminal (26) and the heat sink (24) for efficiency and compactness of design.