US3178533A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resettable plunger switch assembly
Assignee: HI G Inc
•
Filing: 1963-04-03
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Granted: 1965-04-13
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Expires: 1983-04-03
Abstract
No abstract record available.
Inventors
- 👤 John S Lory
- 👤 Ashworth Harry
- 👤 Robert D Chierico
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:31
CPC Classifications
H; H01; H01H; H01H50/00; H01H50/16; H01H50/18; H01H50/30; H01H1/00; H01H1/12; H01H1/36; H01H3/00; H01H3/22; H01H3/30; H01H3/3031; H01H50/20; H01H2003/3036
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
A SWITCH ASSEMBLY COMPRISING AN ELECTRICAL SWITCH HAVING A PAIR OF COOPERATING ELECTRICAL CONTACTS, A LONGITUDINALLY MOVABLE PLUNGER OPERATIVELY CONNECTED TO ONE OF THE ELECTRICAL CONTACTS FOR ACTUATING THE SWITCH, A FIRST CAMMING ELEMENT HAVING A LONGITUDINALLY TAPERED CAMMING SURFACE FACING THE PLUNGER, A SECOND ELEMENT INTERMEDIATE THE CAMMING ELEMENT AND PLUNGER HAVING AN OPENING THEREIN, A LOCKING MEMBER WITHIN SAID OPENING ENGAGEABLE WITH THE CAMMING SURFACE AND PLUNGER FOR LOCKING THE PLUNGER AGAINST MOVEMENT IN ONE LONGITUDINAL DIRECTION, BIASING MEANS URGING THE PLUNGER IN SAID ONE LONGITUDINAL DIRECTION AND URGING ONE OF SAID ELEMENTS IN AN AXIAL DIRECTION CAMMING THE LOCKING MEMBER AND LOCKING THE PLUNGER, AND SELECTIVELY OPERABLE MEANS MOVING SAID ONE ELEMENT IN THE OPPOSITE AXIAL DIRECTION FOR RELEASING THE PLUNGER AND ACTUATING THE SWITCH.
Claim 2
Dependent Claim
128 words
A SWITCH ASSEMBLY COMPRISING AN ELECTRICAL SWITCH HAVING A PAIR OF COOPERATING ELECTRICAL CONTACTS, A LONGITUDINALLY MOVABLE PLUNGER OPERATIVELY CONNECTED TO ONE OF THE ELECTRICAL CONTACTS FOR ACTUATING THE SWITCH, A FIRST CAMMING ELEMENT HAVING A LONGITUDINALLY TAPERED CAMMING SURFACE FACING THE PLUNGER, A SECOND ELEMENT INTERMEDIATE THE CAMMING ELEMENT AND PLUNGER HAVING AN OPENING THEREIN, A LOCKING MEMBER WITHIN SAID OPENING ENGAGEABLE WITH THE CAMMING SURFACE AND PLUNGER FOR LOCKING THE PLUNGER AGAINST MOVEMENT IN ONE LONGITUDINAL DIRECTION, BIASING MEANS URGING THE PLUNGER IN SAID ONE LONGITUDINAL DIRECTION AND URGING ONE OF SAID ELEMENTS IN AN AXIAL DIRECTION CAMMING THE LOCKING MEMBER AND LOCKING THE PLUNGER, AND SELECTIVELY OPERABLE MEANS MOVING SAID ONE ELEMENT IN THE OPPOSITE AXIAL DIRECTION FOR RELEASING THE PLUNGER AND ACTUATING THE SWITCH.
References Cited (Backward Citations)
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US1617862A
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US2386162A
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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) | 1968-04-12 | 1968-10-12 | 1969-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-12 | 1972-10-12 | 1973-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-12 | 1976-10-12 | 1977-04-13 | $7700.00 | Window Closed / Lapsed |