US3560674A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dual rocker switch assemblies including blocking means for preventing simultaneous operation of both switches
Assignee: ZF International UK Ltd
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Filing: 1969-07-09
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Granted: 1971-02-02
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Expires: 1989-07-09
Abstract
Abstract Dual rocker switch assembly in which each switch is provided with an operating member for moving a movable contact into engagement with a fixed contact. A blocking piece located adjacent the operating members is operative upon movement of one of the members to move its movable contact into engagement with the fixed contact to be positioned in the path of movement of the other operating member to prevent its movement.
Inventors
- 👤 Keith Lewis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:38
CPC Classifications
H; H01; H01H; H01H13/00; H01H13/70; H01H13/72; H01H13/74
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
216 words
A dual rocker switch assembly including: a support member; a first switch including a first operating member carried by the support member, and having contacts operably in response to movement of the first operating member; a second switch including a second operating member carried by the support member, the second operating member being positioned adjacent said first operating member, and the second switch including further contacts operably in response to movement of the second operating member; and a blocking member adjacent said first and second operating members, said blocking member being in the form of a resilient finger fixed relative to the support member, but capable of flexure relative to the support member, said resilient finger being resiliently urged to a position wherein it is engageable by either the first or second operating member during movement of the first or second operating member from a first position to a second position, and movement of one of the operating members from its first position to its second position while the other operating member is in its first position, serves to move said resilient finger into the path of movement of the other operating member, so that said other operating member cannot be moved into its second position while said one operating member remains in its second position.
Claim 2
Dependent Claim
216 words
A dual rocker switch assembly including: a support member; a first switch including a first operating member carried by the support member, and having contacts operably in response to movement of the first operating member; a second switch including a second operating member carried by the support member, the second operating member being positioned adjacent said first operating member, and the second switch including further contacts operably in response to movement of the second operating member; and a blocking member adjacent said first and second operating members, said blocking member being in the form of a resilient finger fixed relative to the support member, but capable of flexure relative to the support member, said resilient finger being resiliently urged to a position wherein it is engageable by either the first or second operating member during movement of the first or second operating member from a first position to a second position, and movement of one of the operating members from its first position to its second position while the other operating member is in its first position, serves to move said resilient finger into the path of movement of the other operating member, so that said other operating member cannot be moved into its second position while said one operating member remains in its second position.
Claim 3
Dependent Claim
35 words
The assembly as claimed in claim 1 wherein said support member constitutes a common casing for said first and second switches and said first and second operating members are carried directly by said support member.
Claim 4
Dependent Claim
22 words
The assembly as claimed In claim 1 wherein said blocking member is constituted by a resilient finger carried by said support member.
References Cited (Backward Citations)
US3225153A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-02-01 | 1974-08-03 | 1975-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-01 | 1978-08-03 | 1979-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-01 | 1982-08-03 | 1983-02-02 | $7700.00 | Window Closed / Lapsed |