US3598945A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Three pole pull-push switch
Assignee: Panasonic Holdings Corp
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Filing: 1969-08-22
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Granted: 1971-08-10
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Expires: 1989-08-22
Abstract
Abstract A pull-push switch primarily adapted to be used in interlocking relationship with a variable resistor, wherein there are provided in total three sets of open-close contacts including one additional movable contact provided on the arcuate center portion of a U-shaped movable member of an insulating material which has been used in the conventional double-pole type switches, thereby making it possible to simultaneously open or close three circuits.
Inventors
- 👤 Hiroshi Matsui
- 👤 Yozo Suzumura
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:11
CPC Classifications
H; H01; H01C; H01C10/00; H01C10/30; H01C10/32; H01C10/36; H01C10/363
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
130 words
A three-pole pull-push switch, comprising two movable contacts which are respectively provided on both arms of a Ushaped movable member movably provided in a switch case having an opening, a closure means attached to said opening, an element which is resiliently provided on the center portion of said Ushaped movable member, a third movable contact which is tiltably provided on said element, and an operating shaft movably provided on said switch case, said movable member being moved in accordance with the movement of said operating shaft through two U-shaped springs which are engaged with said operating shaft and said movable member, whereby said two movable contacts and said third contact are forced by said springs to respectively be in contact with three pairs of stationary contacts provided on said closure.
Claim 2
Dependent Claim
130 words
A three-pole pull-push switch, comprising two movable contacts which are respectively provided on both arms of a Ushaped movable member movably provided in a switch case having an opening, a closure means attached to said opening, an element which is resiliently provided on the center portion of said Ushaped movable member, a third movable contact which is tiltably provided on said element, and an operating shaft movably provided on said switch case, said movable member being moved in accordance with the movement of said operating shaft through two U-shaped springs which are engaged with said operating shaft and said movable member, whereby said two movable contacts and said third contact are forced by said springs to respectively be in contact with three pairs of stationary contacts provided on said closure.
References Cited (Backward Citations)
US3024335A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-08-09 | 1975-02-08 | 1975-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-08-09 | 1979-02-08 | 1979-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-08-09 | 1983-02-08 | 1983-08-10 | $7700.00 | Window Closed / Lapsed |