Patent US6472620B2 successfully refreshed from Google Patents.
US6472620B2
Expired / Lapsed
US
⏱️ 0.0 years remaining
Locking arrangement for circuit breaker draw-out mechanism
Assignee: ABB Schweiz AG
•
Filing: 2000-12-07
•
Granted: 2002-10-29
•
Expires: 2020-12-07
Abstract
Abstract A locking arrangement for use on a draw-out mechanism mounted on a circuit breaker within a switchgear cabinet includes a fixed side plate arranged for mounting within switchgear cabinet, a mobile side plate includes a pin extending threrefrom, the mobile side plate arranged to move the circuit breaker in cooperation therewith and an obstructor plate pivotally mounted to the fixed sideplate, the obstructor plate having a slot and a notch extending from the slot, the pin traversing the slot to allow the mobile side plate to move relative to the fixed side plate.
Inventors
- 👤 Mahesh Jaywant Rane
- 👤 Pavan Ramachandra Vitthal Kashyap
- 👤 Anilkumar Dinker Pandit
- 👤 Janakiraman Narayanan
- 👤 Patrick Letient
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 20:34
CPC Classifications
H; H02; H02B; H02B11/00; H02B11/12; H02B11/127; H02B11/133; H02B11/02; H02B11/10
Claims Analysis
Total Claims: 38
Claim 1
Independent Claim
129 words
A locking arrangement suitable for use with a draw-out mechanism mounted on a circuit breaker within a switchgear cabinet, the locking arrangement comprising: a fixed side plate arranged for mounting within switchgear cabinet; a mobile side plate, said mobile side plate includes a first pin extending therefrom, said mobile side plate arranged to move the circuit breaker in cooperation therewith; an obstructor plate pivotally mounted to said fixed sideplate, said obstructor plate having a slot and a notch extending from said slot, said first pin traverses said slot to allow said mobile side plate to move relative to said fixed side plate; wherein rotation of said obstructor plate positions said first pin in said notch to prevent said movable side plate from moving relative to said fixed side plate.
Claim 2
Dependent Claim
129 words
A locking arrangement suitable for use with a draw-out mechanism mounted on a circuit breaker within a switchgear cabinet, the locking arrangement comprising: a fixed side plate arranged for mounting within switchgear cabinet; a mobile side plate, said mobile side plate includes a first pin extending therefrom, said mobile side plate arranged to move the circuit breaker in cooperation therewith; an obstructor plate pivotally mounted to said fixed sideplate, said obstructor plate having a slot and a notch extending from said slot, said first pin traverses said slot to allow said mobile side plate to move relative to said fixed side plate; wherein rotation of said obstructor plate positions said first pin in said notch to prevent said movable side plate from moving relative to said fixed side plate.
Claim 3
Dependent Claim
56 words
The locking arrangement of claim I further comprising: a locking slide slidably engaged to said fixed side plate and pivotally attached to said obstructor plate, said locking slide having a locking hole disposed therein, said locking hole arranged to accept a lock to prevent movement of said mobile side plate relative to said fixed side plate.
Claim 4
Dependent Claim
79 words
The locking arrangement of claim 2 wherein said locking slide includes a first end and a second end, said locking hole disposed on said first end and a first slot located at said second end and said obstructor plate includes a pin slidably received within said first slot of said locking slide; wherein said locking slide moves linearly upon rotation of said obstructor plate as said pin of said obstructor plate traverses said first slot of said locking slide.
Claim 5
Dependent Claim
53 words
The locking arrangement of claim 3 wherein said locking slide includes a second slot positioned between said first end and said second end, said second slot configured to receive a tab extending from a figure lock, said figure lock to prevent movement of said mobile side plate relative to said fixed side plate.
Claim 6
Dependent Claim
41 words
The locking arrangement of claim 2 further comprising: a block link having a main body portion and a flange extending outwardly therefrom, said block link pivotally mounted to said fixed sideplate, said block link configured for cooperation with said obstructor plate.
Claim 7
Dependent Claim
59 words
The locking arrangement of claim 5 wherein said main body portion of said block link includes a slot and said obstructor plate includes a pin extending within said slot of said block link, said pin of said obstructor plate traverses said slot of said block link for rotational movement of said block link upon rotation of said obstructor plate.
Claim 8
Dependent Claim
36 words
The locking arrangement of claim 5 wherein said obstructor plate includes a pin, said pin of said obstructor plate engages said block link upon rotation of said obstructor plate to prevent rotation of said block link.
Claim 9
Dependent Claim
35 words
The locking arrangement of claim 7 wherein said block link rotates upon removal of a crank from an access hole of the draw out mechanism, said flange of said block link covers the access hole.
Claim 10
Dependent Claim
39 words
The locking arrangement of claim 7 wherein said slot of said obstructor plate includes an extended portion; wherein said first pin of said mobile side plate traverses said extended portion when the circuit breaker is in a TEST position.
Claim 11
Dependent Claim
40 words
The locking arrangement of claim 7 further including a spring having a fixed end and a movable end, said movable end attached to said main body portion of said block link for biasing said block link in a first direction.
Claim 12
Dependent Claim
29 words
The locking arrangement of claim 1 wherein said obstructor plate is biased in a first direction for engaging said first pin of said mobile side plate within said notch.
Claim 13
Dependent Claim
38 words
The locking arrangement of claim 1 wherein said first pin of said mobile side plate traverses said notch upon rotation of a crank of the draw out mechanism to disconnect the circuit breaker from the draw out mechanism.
Claim 14
Dependent Claim
13 words
The locking arrangement of claim 1 wherein said notch is a circular slot.
Claim 15
Dependent Claim
49 words
The locking arrangement of claim 1 further including a spring attached at one end to said obstructor plate and at an opposing end to said fixed side plate and said obstructor plate includes a pin, said obstructor plate biased in a first direction about said pin by said spring.
Claim 16
Dependent Claim
43 words
The locking arrangement of claim 1 wherein said obstructor plate is operatively connected to a flange and a block link rotates upon removal of a crank from an access hole of the draw out mechanism, and wherein said flange covers the access hole.
Claim 17
Dependent Claim
58 words
The locking arrangement of claim 1 , further including: an indicator pivotally mounted to said fixed sideplate, said indicator including a slot; said mobile side plate including a second pin extending therefrom, said second pin of said mobile side plate extending within said slot of said indicator for pivoting said indicator upon movement of said mobile side plate.
Claim 18
Dependent Claim
25 words
The locking arrangement of claim 16 , wherein said indicator indicates a position of the circuit breaker; wherein said position is CONNECT, DISCONNECT, or RESET.
Claim 19
Dependent Claim
31 words
The locking arrangement of claim 17 wherein said indicator includes graphics representative of said CONNECT, DISCONNECT, and RESET positions, one of said graphics being visible external to the draw out mechanism.
Claim 20
Dependent Claim
149 words
A draw-out mechanism for mounting a circuit breaker within a switchgear cabinet, the draw-out mechanism comprising: a cover having an access hole; a fixed side plate arranged for mounting within the switchgear cabinet; a mobile side plate, said mobile side plate includes a first pin extending therefrom, said mobile side plate arranged to move the circuit breaker in cooperation therewith; a crank slidably connected to said mobile side plate, said crank protrudes from said access hole; an obstructor plate pivotally mounted to said fixed sideplate, said obstructor plate having a slot and a notch extending from said slot, said first pin traversing said slot to allow said mobile side plate to move relative to said fixed side plate; wherein rotation of said crank rotates said obstructor plate and positions said first pin in said notch to prevent said movable side plate from moving relative to said fixed side plate.
Claim 21
Dependent Claim
149 words
A draw-out mechanism for mounting a circuit breaker within a switchgear cabinet, the draw-out mechanism comprising: a cover having an access hole; a fixed side plate arranged for mounting within the switchgear cabinet; a mobile side plate, said mobile side plate includes a first pin extending therefrom, said mobile side plate arranged to move the circuit breaker in cooperation therewith; a crank slidably connected to said mobile side plate, said crank protrudes from said access hole; an obstructor plate pivotally mounted to said fixed sideplate, said obstructor plate having a slot and a notch extending from said slot, said first pin traversing said slot to allow said mobile side plate to move relative to said fixed side plate; wherein rotation of said crank rotates said obstructor plate and positions said first pin in said notch to prevent said movable side plate from moving relative to said fixed side plate.
Claim 22
Dependent Claim
57 words
The draw out mechanism of claim 19 further comprising: a locking slide slidably engaged to said fixed side plate and pivotally attached to said obstructor plate, said locking slide having a locking hole disposed therein, said locking hole arranged to accept a lock to prevent movement of said mobile side plate relative to said fixed side plate.
Claim 23
Dependent Claim
96 words
The draw out mechanism of claim 20 wherein said cover includes a slot and said locking slide includes a first end and a second end, said locking hole disposed on said first end and a first slot located at said second end and said obstructor plate includes a pin slidably received within said first slot of said locking slide; wherein said locking slide moves linearly upon rotation of said obstructor plate as said pin of said obstructor plate traverses said first slot of said locking slide, said locking hole projects from said slot of said cover.
Claim 24
Dependent Claim
54 words
The draw out mechanism of claim 21 wherein said locking slide includes a second slot positioned between said first end and said second end, said second slot configured to receive a tab extending from a figure lock, said figure lock to prevent movement of said mobile side plate relative to said fixed side plate.
Claim 25
Dependent Claim
58 words
The draw out mechanism of claim 20 further comprising: a block link having a main body portion and a flange extending outwardly therefrom, said block link pivotally mounted to said fixed sideplate, said block link configured for cooperation with said obstructor plate; wherein rotation of said obstructor plate rotates said block link, said flange covers said access hole.
Claim 26
Dependent Claim
60 words
The draw out mechanism of claim 23 wherein said main body portion of said block link includes a slot and said obstructor plate includes a pin extending within said slot of said block link, said pin of said obstructor plate traverses said slot of said block link for rotational movement of said block link upon rotation of said obstructor plate.
Claim 27
Dependent Claim
37 words
The draw out mechanism of claim 23 wherein said obstructor plate includes a pin, said pin of said obstructor plate engages said block link upon rotation of said obstructor plate to prevent rotation of said block link.
Claim 28
Dependent Claim
31 words
The draw out mechanism of claim 25 wherein said block link rotates upon removal of said crank from said access hole, said flange of said block link covers said access hole.
Claim 29
Dependent Claim
40 words
The draw out mechanism of claim 25 wherein said slot of said obstructor plate includes an extended portion; wherein said first pin of said mobile side plate traverses said extended portion when the circuit breaker is in a TEST position.
Claim 30
Dependent Claim
85 words
The draw-out mechanism of claim 25 further including a spring having a fixed end and a movable end, said movable end attached to said main body portion of said block link for biasing said block link in a first direction when said crank is slidably inserted within said access hole and biasing said block link in a second direction when said crank is removed from said access hole; wherein said flange of said block link covers said access hole when biased in the second direction.
Claim 31
Dependent Claim
30 words
The draw out mechanism of claim 19 wherein said obstructor plate is biased in a first direction for engaging said first pin of said mobile side plate within said notch.
Claim 32
Dependent Claim
34 words
The draw out mechanism of claim 19 wherein said first pin of said mobile side plate traverses said notch upon rotation of said crank to disconnect the circuit breaker from the draw out mechanism.
Claim 33
Dependent Claim
14 words
The draw out mechanism of claim 19 wherein said notch is a circular slot.
Claim 34
Dependent Claim
50 words
The draw out mechanism of claim 19 further including a spring attached at one end to said obstructor plate and at an opposing end to said fixed side plate and said obstructor plate includes a pin, said obstructor plate biased in a first direction about said pin by said spring.
Claim 35
Dependent Claim
39 words
The draw out mechanism of claim 19 wherein said obstructor plate is operatively connected to a flange and said block link rotates upon removal of said crank from said access hole, and wherein said flange covers said access hole.
Claim 36
Dependent Claim
59 words
The draw out mechanism of claim 19 , further including: an indicator pivotally mounted to said fixed sideplate, said indicator including a slot; said mobile side plate including a second pin extending therefrom, said second pin of said mobile side plate extending within said slot of said indicator for pivoting said indicator upon movement of said mobile side plate.
Claim 37
Dependent Claim
26 words
The draw out mechanism of claim 34 , wherein said indicator indicates a position of the circuit breaker; wherein said position is CONNECT, DISCONNECT, or RESET.
Claim 38
Dependent Claim
30 words
The draw out mechanism of claim 35 , wherein said indicator includes graphics representative of said CONNECT, DISCONNECT, and RESET positions, one of said graphics being visible through a port.
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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) | 2005-10-28 | 2006-04-29 | 2006-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2009-10-28 | 2010-04-29 | 2010-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2013-10-28 | 2014-04-29 | 2014-10-29 | $7700.00 | Window Closed / Lapsed |