US3203575A - Counterbalancing lid support - Google Patents

Counterbalancing lid support Download PDF

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Publication number
US3203575A
US3203575A US302904A US30290463A US3203575A US 3203575 A US3203575 A US 3203575A US 302904 A US302904 A US 302904A US 30290463 A US30290463 A US 30290463A US 3203575 A US3203575 A US 3203575A
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United States
Prior art keywords
lid
housing
cabinet
wing
secured
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Expired - Lifetime
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US302904A
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Ralph F Anderson
Leonard K Ploughman
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National Lock Co
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National Lock Co
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    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F1/00—Closers or openers for wings, not otherwise provided for in this subclass
    • E05F1/08—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings
    • E05F1/10—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance
    • E05F1/1041—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance with a coil spring perpendicular to the pivot axis
    • E05F1/105—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance with a coil spring perpendicular to the pivot axis with a compression spring
    • E05F1/1058—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance with a coil spring perpendicular to the pivot axis with a compression spring for counterbalancing
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
    • E05Y2900/00—Application of doors, windows, wings or fittings thereof
    • E05Y2900/30—Application of doors, windows, wings or fittings thereof for domestic appliances
    • E05Y2900/312—Application of doors, windows, wings or fittings thereof for domestic appliances for washing machines or laundry dryers

Definitions

  • the present .invention relates to a counterbalancing lid support and more speciflcallyto .a simplified counterbalancing lid support aand hinge construction adapted for use on the ⁇ top-opening lid or closure for cabinets such as an automatic clothes washer.
  • a Acountcrba-lanciizig lid or closure support and hinge construction for a top-opening lid, door or closure for the cabinet of an automatic clothes washer which provides a spring-biasing arrangement to positively hold the lid in a fully open -position at a 90 angle to the top of the cabinet or-enclosure.
  • the springbiasing means When the lid vis open, the springbiasing means is in -its lexpanded condition ⁇ and when the closure or lid is moved to a closcdposition, the springbiasing means is gradually compressed to prevent a sudden slamming of the lid, ⁇ and the ⁇ weight of the lid counterbalances the compressed spring-biasing means to retain the lid in its fully closed position.
  • Another object of the present invention is the provision of a lid support and hinge which is strong and simple in construction and has a minimum number of parts.
  • the housing for the spring-biasing means is formed of a corrosion-resistant material such as a suitable plastic which will resist the deleterious or corrosive effects of the soaps, detergents, bleaches, etc., as well as the hot water, utilized by the housewife in the operation of the washer.
  • a further object of the present invention is the provision of a lid support and hinge assembly having a cabinet wing which is adapted to be secured to the washer cabinet adjacent the access opening in the top of the cabinet, a lid or door wing pivotally mounted on the cabinet wing and secured to the rear edge of the closure, a spring housing for a compression spring secured to the lid and spaced from the lid wing and a link pivotally mounted at one end on the cabinet wing and pivotally secured at its opposite end to the lower end of the compression spring.
  • the pivotal connection between the cabinet wing and the lid or door wing provides the hinge' for the lid.
  • novel closure support and hinge assembly assures retention of the closure in fully open position, easy and complete access for the insertion or removal of the clothes or contents of the washer cabinet is assured.
  • FIGURE 1 is a vertical cross sectional view taken on the irregular line 1 1 of FIG. 2 and showing the lid or closure and counterbalancing lid and hinge support in their open position.
  • FIG. 2 is a front elevational View, partially in cross section, showing the underside of the lid in its open position.
  • FIG. 3 is a vertical cross sectional view similar to FIG. l, but showing the lid and lid support in closed position.
  • FIG. 4 is a top plan view of an automatic clothes washer cabinet with a top opening lid closure and embodying the present invention.
  • FIG. 4 discloses an automatic clothes washer having ice a cabinet or V,enclosure 10 with a hinged -lid -11 providing a-closure for an access opening 12 and acontrolfpanel -13 at the rear of the cabinet including the conventional controls for operation of the washer.
  • the lid 11 has .downturned sides 14 terminating in inturned flanges 15 which partially conceal -a pair of -lid support and hinge ⁇ assemblies 16 mounted at two adjacent corners of ⁇ the lid.
  • the hinge assemblies 16 are mirror images tof :each other so as -to be adapted for mounting on yeither side of the lid -11 (see FIG. 2).
  • Each 'hinge assembly 16.ir1- cludes a cabinet wing 16a having a horizontal ilange 17 which is secured :by rrivets 18 or :other suitable securing means to a depressed ange port-ion 19 of Vthecabinet 10' deiining the access opening 12.
  • the lid 11 inits closed position is adapted to be :positioned within the depressed portion wit-h lthe top lsurface 21 of the lid lying ush kwith the top cabinet surface 22.
  • the cabinet wing *16a also has la vertical upwardly and rearwardly extending flange 23 which extends substantially adjacent to the interior surface of the lid.
  • a lid lwing '16h has a short arm 24 which parallels and Vis pivotally mounted onto the rear end of the vertical flange ⁇ 23 of the cabinet wing ;by a rivet 25, and an elongated arm 26 formed at right angles to 4the yarm 24 which extends inwardly Afrom the hinge assembly as viewed in FIG. 2 and is suitably secured to the adjacent rear edge 27 of the lid 11.
  • a spring housing 2S which is preferably formed of a suitable plastic material such as high density polyethylene is secured to the side edge 14 of the lid 11 with the housing located under the inwardly extending flange 15. Mounting screws 29 or other suitable fastening means extend into openings 31 in the housing 28.
  • the housing has a longitudinally extending opening 32 which extends and opens through one end of the housing and terminates short of the opposite end 33.
  • the side of the housing adjacent the side 14 of the lid is cut away as at 34 for a substantial distance between the openings 31, 31 to provide for movement of the enlarged head 35 of a pin 36 which extends through opposed aligned elongated openings or slots 37 in the housing 28.
  • a compression spring 3S is positioned within the longitudinal opening 32 with one end abutting the end 33 of the housing and the other end abutting and biasing the pin 3d toward the open end of the housing; movement of the pin being limited by the ends of the slots 37.
  • An elongated link 39 has one end 41 aixed to the pin 36 and the opposite end 42 is pivotally or rotatably mounted on the vertical ange 23 of the cabinet wing 16a by a rivet or pin 43 spaced forwardly of the rivet or pin 25 connecting the cabinet wing 16a and the lid wing 16D.
  • the rivets 25 act as the hinge pivot for the lid of the cabinet.
  • the spring 38 When the lid 11 is in its open position (FIGS. l and 2), the spring 38 is in its normal expanded state and any movement of the lid toward closed position will be resisted by the spring.
  • the lid and the lid wing When the operator wishes to close the lid, the lid and the lid wing will pivot about the aligned rivets 25 connecting the lid wing and cabinet wing. Further, the link 39 will pivot about the rivet 43 and, due to the relative positions of the link and housing 28, there will be relative movement between the link 39, the pin 36 and the housing 28 so as to compress the spring 38.
  • a counterbalaneing lid support for the pivotally mounted lid of a cabinet comprising a cabinet wing hav ing a horizontal ange secured to a cabinet and a vertical flange extending upwardly and rearwardly of the horizontal ange, a lid Wing having an arm pivotally mounted on the rear end of said vertical ange and an arm at right angles to the rst arm and secured to the rear of the lid for the cabinet, an elongated housing secured to a side of the lid spaced forwardly of the lid wing and provided with a longitudinal passage therethrough closed at the forward end, said housing having aligned elongated slots on opposite sides of the housing and communicating with said passage, a compression spring located in the passage in the housing with one end seating against the closed end of the housing and a free end, a pin slidably mounted in and extending transversely through said housing and said elongated slots and against which the free end of said spring abuts, and an elongated link pivotally mounted at one end to said pin and at the other end

Landscapes

  • Closing And Opening Devices For Wings, And Checks For Wings (AREA)

Description

ug- 31, 1965 R. F. ANDERSON ETAL COUNTERBALANCING LID SUPPORT Filed Aug. 19, 1965 Jg l I Lf/Maag: Y LW/ZEW W Q t l Wm 77 Z7 l Il M f r 7, 4 -1| lf mj i-- J 22 Z5 Zi Z] United States Patent O 3,203,575 COUNTERBLANCING VSUPPDRT 'Ralph F. Anderson and Leonard K. Ploug'hman, Rockford, Ill., assignors to National Lock Co., Rockford,
Ill., a corporation of vDelaware lliled Aug. 519, l963,.Ser.;No. `302,904 4 Claims. (Cl. 220-135) The present .invention relates to a counterbalancing lid support and more speciflcallyto .a simplified counterbalancing lid support aand hinge construction adapted for use on the `top-opening lid or closure for cabinets such as an automatic clothes washer.
Among the objects of the present invention is the provision of a Acountcrba-lanciizig lid or closure support and hinge construction for a top-opening lid, door or closure for the cabinet of an automatic clothes washer which provides a spring-biasing arrangement to positively hold the lid in a fully open -position at a 90 angle to the top of the cabinet or-enclosure. When the lid vis open, the springbiasing means is in -its lexpanded condition `and when the closure or lid is moved to a closcdposition, the springbiasing means is gradually compressed to prevent a sudden slamming of the lid, `and the `weight of the lid counterbalances the compressed spring-biasing means to retain the lid in its fully closed position.
Another object of the present invention is the provision of a lid support and hinge which is strong and simple in construction and has a minimum number of parts. The housing for the spring-biasing means is formed of a corrosion-resistant material such as a suitable plastic which will resist the deleterious or corrosive effects of the soaps, detergents, bleaches, etc., as well as the hot water, utilized by the housewife in the operation of the washer.
A further object of the present invention is the provision of a lid support and hinge assembly having a cabinet wing which is adapted to be secured to the washer cabinet adjacent the access opening in the top of the cabinet, a lid or door wing pivotally mounted on the cabinet wing and secured to the rear edge of the closure, a spring housing for a compression spring secured to the lid and spaced from the lid wing and a link pivotally mounted at one end on the cabinet wing and pivotally secured at its opposite end to the lower end of the compression spring. The pivotal connection between the cabinet wing and the lid or door wing provides the hinge' for the lid.
As the novel closure support and hinge assembly assures retention of the closure in fully open position, easy and complete access for the insertion or removal of the clothes or contents of the washer cabinet is assured.
Further objects are to provide a construction of maximum simplicity, eiciency, economy and ease of assembly and operation, and such further objects, advantages and capabilities as will later more fully appear and are inherently possessed thereby.
In the drawing:
FIGURE 1 is a vertical cross sectional view taken on the irregular line 1 1 of FIG. 2 and showing the lid or closure and counterbalancing lid and hinge support in their open position.
FIG. 2 is a front elevational View, partially in cross section, showing the underside of the lid in its open position.
FIG. 3 is a vertical cross sectional view similar to FIG. l, but showing the lid and lid support in closed position.
FIG. 4 is a top plan view of an automatic clothes washer cabinet with a top opening lid closure and embodying the present invention.
Referring more particularly to the drawing wherein is shown an illustrative embodiment of the present invention, FIG. 4 discloses an automatic clothes washer having ice a cabinet or V,enclosure 10 with a hinged -lid -11 providing a-closure for an access opening 12 and acontrolfpanel -13 at the rear of the cabinet including the conventional controls for operation of the washer. The lid 11 has .downturned sides 14 terminating in inturned flanges 15 which partially conceal -a pair of -lid support and hinge `assemblies 16 mounted at two adjacent corners of `the lid.
The hinge assemblies 16 are mirror images tof :each other so as -to be adapted for mounting on yeither side of the lid -11 (see FIG. 2). Each 'hinge assembly 16.ir1- cludes a cabinet wing 16a having a horizontal ilange 17 which is secured :by rrivets 18 or :other suitable securing means to a depressed ange port-ion 19 of Vthecabinet 10' deiining the access opening 12. The lid 11 inits closed position is adapted to be :positioned within the depressed portion wit-h lthe top lsurface 21 of the lid lying ush kwith the top cabinet surface 22. The cabinet wing *16a also has la vertical upwardly and rearwardly extending flange 23 which extends substantially adjacent to the interior surface of the lid. A lid lwing '16h has a short arm 24 which parallels and Vis pivotally mounted onto the rear end of the vertical flange `23 of the cabinet wing ;by a rivet 25, and an elongated arm 26 formed at right angles to 4the yarm 24 which extends inwardly Afrom the hinge assembly as viewed in FIG. 2 and is suitably secured to the adjacent rear edge 27 of the lid 11.
A spring housing 2S which is preferably formed of a suitable plastic material such as high density polyethylene is secured to the side edge 14 of the lid 11 with the housing located under the inwardly extending flange 15. Mounting screws 29 or other suitable fastening means extend into openings 31 in the housing 28. The housing has a longitudinally extending opening 32 which extends and opens through one end of the housing and terminates short of the opposite end 33. The side of the housing adjacent the side 14 of the lid is cut away as at 34 for a substantial distance between the openings 31, 31 to provide for movement of the enlarged head 35 of a pin 36 which extends through opposed aligned elongated openings or slots 37 in the housing 28.
A compression spring 3S is positioned within the longitudinal opening 32 with one end abutting the end 33 of the housing and the other end abutting and biasing the pin 3d toward the open end of the housing; movement of the pin being limited by the ends of the slots 37. An elongated link 39 has one end 41 aixed to the pin 36 and the opposite end 42 is pivotally or rotatably mounted on the vertical ange 23 of the cabinet wing 16a by a rivet or pin 43 spaced forwardly of the rivet or pin 25 connecting the cabinet wing 16a and the lid wing 16D.
With the hinge assemblies 16 assembled and secured to the lid or closure 11 and the cabinet 10 of an automatic clothes washer in the manner disclosed, the rivets 25 act as the hinge pivot for the lid of the cabinet. When the lid 11 is in its open position (FIGS. l and 2), the spring 38 is in its normal expanded state and any movement of the lid toward closed position will be resisted by the spring. When the operator wishes to close the lid, the lid and the lid wing will pivot about the aligned rivets 25 connecting the lid wing and cabinet wing. Further, the link 39 will pivot about the rivet 43 and, due to the relative positions of the link and housing 28, there will be relative movement between the link 39, the pin 36 and the housing 28 so as to compress the spring 38. As the compressed spring will have the tendency to expand, if the lid is dropped in closing, the spring will resist a sudden slamming of the lid. As the closing movement continues, compression of the spring will increase until the lid reaches its fully closed position shown in FIG. 3. When the lid is in closed position, the spring will tend to bias the lid toward open position, but this force is counterbalanced by the weight of the lid whereby the lid is retained in closed position until manually opened by lifting. Opening movement of the lid will be limited by the elongated slots 37 which restrict movement of the pin 36.
While the invention has been shown and described as being advantageously applicable to the lid of the cabinet of an automatic clothes washer, it is not our desire or intent to unnecessarily limit the scope or the utility of the improved features by virtue of this illustrative embodiment.
We claim:
1. A counterbalaneing lid support for the pivotally mounted lid of a cabinet, comprising a cabinet wing hav ing a horizontal ange secured to a cabinet and a vertical flange extending upwardly and rearwardly of the horizontal ange, a lid Wing having an arm pivotally mounted on the rear end of said vertical ange and an arm at right angles to the rst arm and secured to the rear of the lid for the cabinet, an elongated housing secured to a side of the lid spaced forwardly of the lid wing and provided with a longitudinal passage therethrough closed at the forward end, said housing having aligned elongated slots on opposite sides of the housing and communicating with said passage, a compression spring located in the passage in the housing with one end seating against the closed end of the housing and a free end, a pin slidably mounted in and extending transversely through said housing and said elongated slots and against which the free end of said spring abuts, and an elongated link pivotally mounted at one end to said pin and at the other end to the vertical ange of the cabinet wing forwardly of and spaced from the pivotal mounting for the lid wing, said link having a length greater than the spacing between said housing and said lid wing.
2. A counterbalancing lid support as set forth in claim l, in which said housing is recessed along the side adjacent the edge of the lid for a distance greater than the elongated slot to allow movement of the enlarged head on the inner end of the pin.
3. A counterbalancing lid support as set forth in claim 1, in which said elongated slots are positioned adjacent the open end of the housing.
4. A counterbalancing lid support as set forth in claim 3, in which said elongated slots limit movement of said pin in said housing during movement of said lid between open and closed positions, said link acting through said pin to compress the spring as thel id is moved from open to closed position.
References Cited by the Examiner UNlTED STATES PATENTS 566,621 8/96 Rider et al. 4-248 1,574,340 2/26 Fauser 16-85 2,188,393 1/40 Mueller 2l7-60 2,499,907 3/50 Docg 217-60 FRANK B. SHERRY, Primary Examiner.
CHANCELLOR E. HARRIS, Examiner.

Claims (1)

1. A COUNTERBALANCING LID SUPPORT FOR THE PIVOTALLY MOUNTED LID OF A CABINET, COMPRISING A CABINET WING HAVING A HORIZONTAL FLANGE SECURED TO A CABINET AND A VERTICAL FLANGE EXTENDING UPWARDLY AND REARWARDLY OF THE HORIZONTAL FLANGE, A LID WING HAVING AN ARM PIVOTALLY MOUNTED ON THE REAR END OF SAID VERTICAL FLANGE AND AN ARM AT RIGHT ANGLES TO THE FIRST ARM AND SECURED TO THE REAR OF THE LID FOR THE CABINET, AN ELONGATED HOUSING SECURED TO A SIDE OF THE LID SPACED FORWARDLY OF THE LID WING AND PROVIDED WITH A LONGITUDINAL PASSAGE THERETHROUGH CLOSED AT THE FORWARD END, SAID HOUSING HAVING ALIGNED ELONGATED SLOTS ON OPPOSITE SIDES OF THE HOUSING AND COMMUNICATING WITH SAID PASSAGE, A COMPRESSION SPRING LOCATED IN THE PASSAGE IN THE HOUSING WITH ONE END SEATING AGAINST THE CLOSED END OF THE HOUSING AND A FREE END, A PIN SLIDABLY MOUNTED IN AND EXTENDING TRANSVERSELY
US302904A 1963-08-19 1963-08-19 Counterbalancing lid support Expired - Lifetime US3203575A (en)

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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3482603A (en) * 1967-08-03 1969-12-09 Dale E Outcalt Shut-off valve for flow conduits
US3746437A (en) * 1970-01-14 1973-07-17 Vockenhuber Karl Arrangement for use in projection
US4032037A (en) * 1976-04-07 1977-06-28 Airfix Plastics Limited Closure and fastener for trash bins
US4658473A (en) * 1985-12-23 1987-04-21 Truth Incorporated Concealed freezer hinge
US5860554A (en) * 1996-03-28 1999-01-19 Ruffo; Michael Lockable lid support
US20120102676A1 (en) * 2010-10-28 2012-05-03 Shih-Hao Fang Universal Box Lid Lifter
US20150382492A1 (en) * 2014-06-30 2015-12-31 Eaton Corporation Telescoping panels suitable for motor control center units
US10020642B2 (en) 2014-06-30 2018-07-10 Eaton Intelligent Power Limited Motor control center units with retractable stabs and interlocks using sliding portal shutters
US10186847B2 (en) 2016-11-21 2019-01-22 Eaton Intelligent Power Limited Motor control center (MCC) units with slidable shutters
US10211606B2 (en) 2016-11-29 2019-02-19 Eaton Intelligent Power Limited Motor control center units with multi-purpose shutter cams and related units
US10742004B2 (en) 2017-12-20 2020-08-11 Eaton Intelligent Power Limited Motor control center (MCC) units with retractable power connector and interlocks including a power connector position interlock
US11177088B2 (en) 2019-02-22 2021-11-16 Eaton Intelligent Power Limited Motor control center (MCC) units with dual disconnect switches, dual operator handles, retractable power connector and interlocks

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US566621A (en) * 1896-08-25 Frank perot rider and henry peter colliver
US1574340A (en) * 1924-07-11 1926-02-23 Fisher Body Corp Doorcheck
US2188393A (en) * 1938-10-28 1940-01-30 Murray Corp Latch hinge construction
US2499907A (en) * 1947-01-30 1950-03-07 Nash Kelvinator Corp Counterbalancing lid support

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US566621A (en) * 1896-08-25 Frank perot rider and henry peter colliver
US1574340A (en) * 1924-07-11 1926-02-23 Fisher Body Corp Doorcheck
US2188393A (en) * 1938-10-28 1940-01-30 Murray Corp Latch hinge construction
US2499907A (en) * 1947-01-30 1950-03-07 Nash Kelvinator Corp Counterbalancing lid support

Cited By (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3482603A (en) * 1967-08-03 1969-12-09 Dale E Outcalt Shut-off valve for flow conduits
US3746437A (en) * 1970-01-14 1973-07-17 Vockenhuber Karl Arrangement for use in projection
US4032037A (en) * 1976-04-07 1977-06-28 Airfix Plastics Limited Closure and fastener for trash bins
US4658473A (en) * 1985-12-23 1987-04-21 Truth Incorporated Concealed freezer hinge
US5860554A (en) * 1996-03-28 1999-01-19 Ruffo; Michael Lockable lid support
US20120102676A1 (en) * 2010-10-28 2012-05-03 Shih-Hao Fang Universal Box Lid Lifter
US8413301B2 (en) * 2010-10-28 2013-04-09 Wellsco International Group Co., Ltd. Universal box lid lifter
US10020642B2 (en) 2014-06-30 2018-07-10 Eaton Intelligent Power Limited Motor control center units with retractable stabs and interlocks using sliding portal shutters
US10637217B2 (en) 2014-06-30 2020-04-28 Eaton Intelligent Power Limited Motor control center units with retractable stabs and interlocks
US9888589B2 (en) 2014-06-30 2018-02-06 Eaton Corporation Bucket assemblies for motor control centers and related motor control centers
US20150382492A1 (en) * 2014-06-30 2015-12-31 Eaton Corporation Telescoping panels suitable for motor control center units
US9451718B2 (en) * 2014-06-30 2016-09-20 Eaton Corporation Telescoping panels suitable for motor control center units and related motor control centers
US10206293B2 (en) 2014-06-30 2019-02-12 Eaton Intelligent Power Limited Bucket assemblies with electrically grounded front panels for motor control centers and related motor control centers
US11031754B2 (en) 2014-06-30 2021-06-08 Eaton Intelligent Power Limited Motor control center units with retractable stabs and interlocks
US10320162B2 (en) 2014-06-30 2019-06-11 Eaton Intelligent Power Limited Motor control center units with retractable stabs and interlocks
US10186847B2 (en) 2016-11-21 2019-01-22 Eaton Intelligent Power Limited Motor control center (MCC) units with slidable shutters
US10720761B2 (en) 2016-11-21 2020-07-21 Eaton Intelligent Power Limited Motor control center (MCC) units with slidable shutters
US11177636B2 (en) 2016-11-21 2021-11-16 Eaton Intelligent Power Limited Motor control center (MCC) units with slidable shutters
US10211606B2 (en) 2016-11-29 2019-02-19 Eaton Intelligent Power Limited Motor control center units with multi-purpose shutter cams and related units
US10742004B2 (en) 2017-12-20 2020-08-11 Eaton Intelligent Power Limited Motor control center (MCC) units with retractable power connector and interlocks including a power connector position interlock
US11677217B2 (en) 2017-12-20 2023-06-13 Eaton Intelligent Power Limited Motor control center (MCC) units with retractable power connector and interlocks including a power connector position interlock
US11955780B2 (en) 2017-12-20 2024-04-09 Eaton Intelligent Power Limited Motor control center (MCC) units with retractable power connector and interlocks including a power connector position interlock
US11177088B2 (en) 2019-02-22 2021-11-16 Eaton Intelligent Power Limited Motor control center (MCC) units with dual disconnect switches, dual operator handles, retractable power connector and interlocks

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