Patent US3858652A successfully refreshed from Google Patents.
Patent US3671690A successfully refreshed from Google Patents.
US3671690A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vibrating switch
Assignee: Alarm Products International Inc
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Filing: 1971-03-16
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Granted: 1972-06-20
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Expires: 1991-03-16
Abstract
Abstract A switch which is operable responsive to impact comprises a ring-shaped contact biased into bridging contact with spaced stationary contacts. The ring-shaped contact is rotatable relative to the spaced contacts to present new contacting surfaces upon rotation, and is biased toward the stationary contacts by the pressure of leaf springs pressed against the ring contact by an adjustable screw which passes through the center of the contact.
Inventors
- 👤 Philip J Parlato
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:49
CPC Classifications
H; H01; H01H; H01H35/00; H01H35/14
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
18 words
The embodiments of the invention in which an exclusive privilege or property is claimed are defined as follows:
Claim 2
Dependent Claim
88 words
The impact responsive switch of claim 1 wherein said means including said resilient biasing means includes a plurality of stacked spring plates disposed above said ring-shaped contact and bearing against the top thereof and a support screw; said support screw extending serially through said spring plates and through the center of said ring-shaped contact and being terminated by threading into said upper surface of said base member, thereby to press said spring plates against said ring-shaped contact to bias said contact toward said position of bridging contact engagement.
Claim 3
Dependent Claim
76 words
The impact responsive switch of claim 1 wherein said contact means includes first and second flat conductive plates spaced from one another and secured to symmetric and spaced regions of said upper surface of said insulation base member; said pair of fixed contacts being respectively disposed on adjacent end regions of said first and second flat conductive plates; said first and second terminal means being connected to opposite end regions of said first and second plates.
Claim 4
Dependent Claim
60 words
The impact responsive switch of claim 1 which includes a cover member for enclosing at least said upper surface of said base member, said fixed contacts, said movable ring-shaped contact, and said resilient biasing means; said base member having first and second integral raised sections extending from said upper surface thereof for contacting an interior surface of said cover member.
Claim 5
Dependent Claim
31 words
The impact responsive switch of claim 1 wherein said pair of fixed contacts are spaced from one another along a line; the said axis of said ring-shaped contact bisecting said line.
Claim 6
Dependent Claim
71 words
The impact responsive switch of claim 2 which includes a cover member for enclosing at least said upper surface of said base member, said fixed contacts, said movable ring-shaped contact, and said resilient biasing means; said base member having first and second integral raised sections extending from said upper surface thereof for contacting an interior surface of said cover member; removal of said cover member exposing said support screw for adjustment.
Claim 7
Dependent Claim
76 words
The impact responsive switch of claim 6 wherein said contact means includes first and second flat conductive plates spaced from one another and secured to symmetric and spaced regions of said upper surface of said insulation base member; said pair of fixed contacts being respectively disposed on adjacent end regions of said first and second flat conductive plates; said first and second terminal means being connected to opposite end regions of said first and second plates.
References Cited (Backward Citations)
US2236689A
Cited
US3389236A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-06-20 | 1975-12-20 | 1976-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-06-20 | 1979-12-20 | 1980-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-06-20 | 1983-12-20 | 1984-06-20 | $7700.00 | Window Closed / Lapsed |