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:
Mar. 10, 1987
Filed:
Oct. 04, 1985
Gerald H McDonald, Coon Rapids, MN (US);
Resistance Technology, Inc., Minneapolis, MN (US);
Abstract
A trimmer control is mounted in a potentiometer knob to provide a compact controller for use in a device such as a hearing aid. The knob of the potentiometer is rotatably attached to a base housing which has a centrally located bore. A bracket extends through the bore of the housing and into a chamber located in the potentiometer knob. The bracket is fixedly attached at one end to the housing. The trimmer control is fixedly attached to the bracket and electrical leads of the trimmer control extend through a bore within the mounting bracket for connection with another circuit. The trimmer control is accessible through an opening in the potentiometer knob.