US4408105A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Seesaw switch
Assignee: Alps Alpine Co Ltd
•
Filing: 1981-11-19
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Granted: 1983-10-04
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Expires: 2001-11-19
Abstract
Abstract In a seesaw switch having a central terminal, stationary terminals disposed on respective sides of the central terminal, and a movable contact piece placed over the central terminal, the movable contact piece being rocked so as to connect or disconnect the central terminal and the corresponding stationary terminal, the improvement comprising the fact that a receiver for the movable contact piece is provided with an arcuate guide portion interposed between said movable contact piece and said middle terminal for supporting said movable contact piece in a turnable fashion.
Inventors
- 👤 Toshio Tanaka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 02:03
CPC Classifications
H; H01; H01H; H01H23/00; H01H23/02; H01H23/12; H01H1/00; H01H1/58; H01H1/5833
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
133 words
In a switch having a central terminal, stationary terminals disposed on respective sides of the central terminal, and a movable contact piece placed over the central terminal, the movable contact piece being movable pivotally so as to connect or disconnect the central terminal and a corresponding stationary terminal, the improvement wherein a receiver for the movable contact piece is provided with means including arcuate guide portions extending upwardly from opposite sides of said movable contact piece for supporting said movable contact piece against lateral movement during its pivotal movement, and said movable contact piece including engaging means adapted to ride along said arcuate guide portions whereby said guide portions serve to support said movable contact piece laterally while providing a arcuate guide for supporting said movable contact during its entire range of movement.
Claim 2
Dependent Claim
133 words
In a switch having a central terminal, stationary terminals disposed on respective sides of the central terminal, and a movable contact piece placed over the central terminal, the movable contact piece being movable pivotally so as to connect or disconnect the central terminal and a corresponding stationary terminal, the improvement wherein a receiver for the movable contact piece is provided with means including arcuate guide portions extending upwardly from opposite sides of said movable contact piece for supporting said movable contact piece against lateral movement during its pivotal movement, and said movable contact piece including engaging means adapted to ride along said arcuate guide portions whereby said guide portions serve to support said movable contact piece laterally while providing a arcuate guide for supporting said movable contact during its entire range of movement.
Claim 3
Dependent Claim
54 words
A switch according to claim 1, wherein said receiver is formed by bending a metallic plate into the shape of the letter U, said metal plate having a quadrilateral hole and being placed on said middle terminal, and a middle part of said movable contact piece being located in the hole of said receiver.
Claim 4
Dependent Claim
28 words
A switch according to claim 2, wherein said engaging means includes four engaging pieces adapted to come into sliding contact with the arcuate guide parts of said receiver.
Claim 5
Dependent Claim
49 words
A switch according to claim 1, wherein said receiver includes a pair of arcuate guide parts rising from its base part and is placed on said middle terminal, a a middle part of said movable contact piece is located between said pair of arcuate guide portions of said receiver.
Claim 6
Dependent Claim
28 words
A switch according to claim 4, wherein said engaging means includes four engaging pieces adapted to come into sliding contact with said arcuate guide portions of said receiver.
References Cited (Backward Citations)
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Cited
US3581033A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1986-10-03 | 1987-04-04 | 1987-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-10-03 | 1991-04-04 | 1991-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-10-03 | 1995-04-04 | 1995-10-04 | $7700.00 | Window Closed / Lapsed |