US3794798A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Submersible switch and double toggle, power transmission member operating mechanism therefore
Assignee: Individual
•
Filing: 1973-04-27
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Granted: 1974-02-26
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Expires: 1993-04-27
Abstract
Abstract A medium-voltage submersible switch having a pair of over-center toggle mechanisms in series in the power train operating the switch elements, the first of the toggle mechanisms being operable from outside the tank housing the switch. Lost Motion connections are placed between the first toggle mechanism and the operator, and between the first and second toggle mechanisms. Three parallel switches are shown, actuated by a single driving bar, which is equipped with a stop to limit its motion just beyond the over-center point of the second toggle mechanism in one direction, and a latch mechanism is shown for remote triggering of the switch after the mechanism has been cocked. A motor operator is shown pivotally attachable to the outside of the enclosure and engageable with the operating member of the first toggle. The motor operator may be disengaged from the operating member for manual switch operation by being pivoted about the pivoted attachment. An alternate form is shown having a single switch element and a fuse in series with the switch element, for testing circuits suspected of high fault currents.
Inventors
- 👤 F Trayer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:46
CPC Classifications
H; H01; H01H; H01H3/00; H01H3/32; H01H3/46; H01H3/48
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
178 words
An operating mechanism for a medium voltage switch in a submersible enclosure and the like, comprising a first spring loaded overcenter toggle mechanism having two stable positions, means for selectively moving said first spring loaded overcenter toggle mechanism between said stable positions, and a second toggle mechanism connectable to the medium voltage switch and having two stable positions and a power transmission member, said power transmission member comprising an elongate bar acting at the elbow point of said second toggle mechanism and connected to said first spring loaded overcenter toggle mechanism for lost motion actuation thereby said second toggle mechanism comprising a first link pivotally connected to said bar at one end of said link and pivotally connected to said enclosure at the other end of said link, and a second link pivotally connected to said bar at one end of said second link and pivotally connected at the other end of said second link to said switch means to close same in one of said stable positions and open same in the other of said stable positions.
Claim 2
Dependent Claim
178 words
An operating mechanism for a medium voltage switch in a submersible enclosure and the like, comprising a first spring loaded overcenter toggle mechanism having two stable positions, means for selectively moving said first spring loaded overcenter toggle mechanism between said stable positions, and a second toggle mechanism connectable to the medium voltage switch and having two stable positions and a power transmission member, said power transmission member comprising an elongate bar acting at the elbow point of said second toggle mechanism and connected to said first spring loaded overcenter toggle mechanism for lost motion actuation thereby said second toggle mechanism comprising a first link pivotally connected to said bar at one end of said link and pivotally connected to said enclosure at the other end of said link, and a second link pivotally connected to said bar at one end of said second link and pivotally connected at the other end of said second link to said switch means to close same in one of said stable positions and open same in the other of said stable positions.
Claim 3
Dependent Claim
94 words
An operating mechanism for medium voltage switches as described in claim 1 and wherein said means for selectively moving said first spring loaded overcenter toggle mechanism comprises a first operating member engageable by a source of motive power, a second operating member attached to said first toggle mechanism, and a lost-motion connection between said first operating member and said second operating member, whereby the speed of motion of said first toggle mechanism is rendered independent of the speed of motion of said first operating member after said first toggle mechanism passes its over-center point.
Claim 4
Dependent Claim
61 words
An operating mechanism for medium voltage switches as described in claim 1 and wherein said first spring loaded overcenter toggle mechanism comprises a power transfer member connected to said power transmission member associated with said second toggle mechanism by a lost motion connection whereby the speeds of motion of said first and second toggle mechanisms are rendered independent of each other.
Claim 5
Independent Claim
234 words
A medium voltage submersible switch, comprising a submersible enclosure, a medium voltage switch means contained within said enclosure, a first spring loaded overcenter toggle mechanism having first and second operating members and a first power transmission member, a second toggle mechanism having a second power transmission member comprising an elongate bar acting at the elbow point of said second toggle mechanism, said second toggle mechanism comprising a first link pivotally connected to said bar at one end of said link and pivotally connected to said enclosure at the other end of said link, and a second link pivotally connected to said bar at one end of said second link and pivotally connected at the other end of said second link to said switch means to open and close same, and a lost-motion connection between said first and second operating members for selectively transmitting motion therebetween, said first operating member having a portion thereof adapted for engagement by a source of motive power, said second operating member being connected to said first toggle mechanism to move said first toggle mechanism past its overcenter point, said first power transmission member being connected to said first toggle mechanism for movement in response to movement of said first toggle mechanism, said first and second power transmission members being connected to transmit force from said first toggle mechanism to said second toggle mechanism to open and close said switch.
Claim 6
Independent Claim
234 words
A medium voltage submersible switch, comprising a submersible enclosure, a medium voltage switch means contained within said enclosure, a first spring loaded overcenter toggle mechanism having first and second operating members and a first power transmission member, a second toggle mechanism having a second power transmission member comprising an elongate bar acting at the elbow point of said second toggle mechanism, said second toggle mechanism comprising a first link pivotally connected to said bar at one end of said link and pivotally connected to said enclosure at the other end of said link, and a second link pivotally connected to said bar at one end of said second link and pivotally connected at the other end of said second link to said switch means to open and close same, and a lost-motion connection between said first and second operating members for selectively transmitting motion therebetween, said first operating member having a portion thereof adapted for engagement by a source of motive power, said second operating member being connected to said first toggle mechanism to move said first toggle mechanism past its overcenter point, said first power transmission member being connected to said first toggle mechanism for movement in response to movement of said first toggle mechanism, said first and second power transmission members being connected to transmit force from said first toggle mechanism to said second toggle mechanism to open and close said switch.
Claim 7
Dependent Claim
64 words
A medium voltage submersible switch as Described in claim 4 and wherein said first and second power transmission members are connected by a second lost motion connection and said first operating member passes from the interior to the exterior of said submersible enclosure for engagement outside said enclosure to operate said first toggle mechanism, said first toggle mechanism being contained within said submersible enclosure.
Claim 8
Dependent Claim
69 words
A medium voltage submersible switch as described in claim 5 and wherein a portion of said first operating member extending on the exterior of said enclosure is formed as a rotable shaft, rotation of which will cause motion of said first operating member, the terminus of said shaft outside said enclosure being formed into an eye loop for engagement by a remote operating tool such as a hot stick.
Claim 9
Dependent Claim
56 words
A medium voltage submersible switch as described in claim 5 and wherein said switch further comprises a motor operator mechanism pivotally mounted on the outside of said enclosure and selectively engageable with said first operating member outside said enclosure to move said first toggle mechanism, said selective engagement being provided by motion about said pivotal mounting.
Claim 10
Dependent Claim
130 words
A medium voltage submersible switch as described in claim 7 and wherein said first operating member comprises an elongate channel member pivotally mounted on the exterior of said enclosure and communicating mechanically with the interior of said enclosure, and said motor operator mechanism comprises an elongate member lying substantially co-linear with said elongate channel member when said motor operator mechanism is engaged with said first operating member and formed to engage said elongate channel member when brought into substantially co-linear relation therewith to transmit motive force from said motor operator mechanism to said first operating member, whereby said elongate channel member and said elongate member of said motor operator mechanism may be selectively disengaged to permit use of said elongate channel member as a manual operating handle for said switch.
Claim 11
Dependent Claim
27 words
A medium voltage submersible switch as described in claim 4 and wherein said switch means comprises a plurality of switches each actuated by said second toggle mechanism.
Claim 12
Dependent Claim
43 words
A medium power submersible switch as described in claim 4 and wherein said second link is pivotally attached at one end thereof to said bar at a point along said bar other than the point of pivotal attachment of said first link thereto.
Claim 13
Dependent Claim
44 words
A medium voltage submersible switch as described in claim 4, further comprising a stop means adapted to engage said elongate bar to halt motion of said bar just beyond the over-center point of said second toggle mechanism in the direction which closes said switch.
Claim 14
Dependent Claim
100 words
A medium voltage submersible switch as described in claim 4 further comprising a latch means engageable with said elongate bar to selectively retain said bar in the position in which said switch is closed despite movement of said first toggle mechanism in the opening direction, whereby said first toggle mechanism may be operated to bias said elongate bar toward the position in which said switches are opened without moving said bar to said position, and said latch means may be subsequently triggered to release said bar to move under said bias toward the position in which said switch is opened.
Claim 15
Dependent Claim
105 words
A medium voltage submersible switch as described in claim 12 and wherein said latch means comprises a detent means formed on said elongate bar, a moveable latch dog member selectively engageable with said detent means, and motive means attached to said latch dog member for moving same into and out of engagement with said detent means, said latch dog member being so fixed against movement with respect to said enclosure in the direction of the bias applied to said elongate bar as to prevent movement of said elongate bar in the direction of said bias when said latch bog member is engaged with said detent.
Claim 16
Dependent Claim
66 words
A medium voltage submersible switch as described in claIm 13 and wherein said motive means comprises a solenoid actuator mounted on the interior of said enclosure and having said latch dog member attached to the moving armature thereof, said latch dog member engaging said detent at one position of the moving armature of said solenoid and disengaging from said detent at another position of said armature.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-02-25 | 1977-08-27 | 1978-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-02-25 | 1981-08-27 | 1982-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-02-25 | 1985-08-27 | 1986-02-26 | $7700.00 | Window Closed / Lapsed |