Variable resistor
US6317022A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Nov 30, 2000 |
| Grant date | Nov 13, 2001 |
| Priority date | — |
| Expiry date | Nov 30, 2020 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH01C10/32
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A variable resistor is constructed to prevent bending strain from spreading to the conductive portions to a resistor when bending is executed with respect to the external connection portions of metallic terminals. The variable resistor provides a low-profile variable resistor capable of stabilizing the electrical connection between the metallic terminals and the resistor. This variable resistor includes metallic terminals insert-molded in a board, and a slider sliding on the resistor disposed on the board. The slider is rotatably installed on the board by caulking the grommet disposed on a first metallic terminal,and the conductive portions of second metallic terminals are conductive to the resistor. Each of the external connection portions is extended out of the bottom of the board, and is folded upwardly at the position of the corresponding notch. Thereby, bending stress is minimized, the looseness of the metallic terminals with respect to the board is prevented, and the reliability of the connection between the resistor and the conducting portions is increased.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.