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Publication numberUS2769940 A
Publication typeGrant
Publication dateNov 6, 1956
Filing dateMar 2, 1953
Priority dateMar 2, 1953
Publication numberUS 2769940 A, US 2769940A, US-A-2769940, US2769940 A, US2769940A
InventorsPettit Dorn L
Original AssigneeSquare D Co
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Swingout panel cabinet
US 2769940 A
Abstract  available in
Images(2)
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Claims  available in
Description  (OCR text may contain errors)

Nov. 6, 1956 Filed March 2, 1953 2. Sheets-Sheet l W: 3 5 NW N l W so 2 M L E /1 I H 4 I INVE/YTOR.

ITTOF/VI/T D. L. PETTIT Nov. 6, 1956 SWINGOUT PANEL CABINET 2 Sheets-Sheav Filed March 2, 1953 INVENTOR- Jafn Z Z 2"Z ray/v1)- 2,769,940 SWHJGOUT PANEL CABINET Dorn-L. Pettit lvfilwaukeeg Wis.,.assi'gn0r to Square D Company, Detroit, Mich., a corporation of Michigan Application March'2, 1953, Serial No. 339,512 9 Claims. (Cl; 317-120) This invention relates to a swingout mounting for a panelsinterior enclosedrwithin an outer cabinet having an openable cover or door.

Cabinet interiors have are providediincluding of the panel at the exterior of the cabinet.

Other objects and readily apparent tothose skilled in the art'from the speci fication and appended drawings illustrating certain preferred embodiments in which:

Figure l is a perspective view of a panel cabinet according-.- to: the present invention with the front door shown open.

Figure 2 is a perspective view of the panel cabinet with the interior disconnected from its rigid mounting and tiltedforward abont its lower edge.

Figure 3' isaviewsimilar to Figure 1 with the panel rotated into a horizontal position with the back upward. Figure 4 is a view similar to Figure 2 with the panel rotated through approximately 180 from its interior position to expose the entire back of the panel for access at the exterior of the enclosing cabinet.

Figure is a detail'view on the line VV of Figure 3.

The swingout construction of the present invention is starting of direct current motors.

At the opposite-sides of the backfacetof theplate 3 are mounted a pair of angles 4 and 5 extending beyond the plate 3 bottom thereof. On the mounted an angle 6, the upright 'legofwhich has a width substantially the same as the space between the rearwardly directed legs of the the lower ends of the angles 4 and 5 being bolted to'the-angle 6-by studs 7 and the upper end of the angles 4 and 5 being bolted to suitable brackets 8 on the top wall of the cabinet by studs 9.

2,769,940 Patented Nov. 6, 1956 2'. Intermediate the ends of the angles 4'and 5 and on the rearwardly directed legs thereof are mounted pins 11, as

openings-through which the pinsextend to provide a pivotal mounting. The upper ends of the straps 12 and 13 are provided with slots 14 through which project pins 15 carried by brackets 16'rigidly mounted upon'the opposite side walls of the cabinet corners.

The rearwardly extending side plates 17 provide protective barriers.

with the angles 6, the slots 14 permittin'g'this tilting until the pins 15 engage the upper ends' of the-slots. The posithe pins 11 with respect to the distributed weight ofthe panel and the elements mounted thereon so that the combined' mass of the panel is'substantially balanced about the access of rotationgFigure 3 is'a stable position. To provide'the complete access to the back'of the panel it is rotated beyond the position of Figure 3 through from its original position into the position'of Figure 4- back' of: the panel panel by the pins 11 and also by the mounting of straps effort and preventing uncontrolled movements of the parts whichniight result in damage. The invention also provides varying degrees of accessibility in suitable positions, providing for the forward tilted position of Figure 2, the horizontal position of Figure 3 and the completely door, a panel within said enclosure, circuit controlling,

means mountedLonsaid panel andincluding manipulable and adjacent their upper front elements at the back of the panel, means rigidly mounting said panel within the enclosure, means providing a rotatable axis transversely of said panel intermediate the top and bottom thereof, and means for automatically moving said axis providing means forwardly of the normal plane of the panel when the mounting means is released whereby to provide for rotation of said panel adjacent to the entrance to the enclosure.

2. In a panel cabinet, an enclosure having an openable door, a panel within said enclosure, circuit controlling means mounted on said panel and including manipulable elements at the back of the panel, means providing a rotatable axis transversely of said panel intermediate the top and bottom thereof, means rigidly mounting said panel within the enclosure independently of said axis providing means and releasable to provide for forward movement of said panel while supported by said mounting means, and means for supporting said axis providing means for rotation of said panel when the mounting means is released whereby to provide access to the manipulable elements at the back of the panel.

3. In a panel cabinet, an enclosure having an openable door, a panel within said enclosure, circuit controlling means mounted on said panel and including manipulable elements at the back of the panel, means rigidly mounting said panel within the enclosure, means providing a. rotatable axis transversely of said panel passing substantially through the center of mass of said panel and the means mounted thereon, said axis providing means being independent of said mounting means, and means for bodily moving said axis forwardly of its rigid mounting when the mounting means is released whereby to provide for rotation of the panel about said rotatable axis forwardly of the normal mounting position to provide ready access to the manipulable elements at the back of the panel.

4. In a panel cabinet, an enclosure having an openable door, a panel within said enclosure, circuit controlling means mounted on said panel and including manipulable elements at the back of the panel, means providing a rotatable axis transversely of said panel intermediate the top and bottom thereof, means rigidly mounting said panel within the enclosure independently of said axis providing means, means connected to said axis providing means and providing for limited forward tilting movement of the panel about substantially the bottom thereof andfor rotatable movement thereafter about the axis providing means to expose the back of the panel at the front of the enclosure.

5. In a panel cabinet, an enclosure having an openable door, a panel within said enclosure, circuit controlling means mounted on said panel and including manipulable elements at the back of the panel, a pair of arms at the opposite sides of the panel connected at one of their ends adjacent to the top of the enclosure and at the other of their ends to the opposite sides of the panel intermediate the top and bottom thereof, all of said connections providing for rotary movement between the arm ends and the connected part, means rigidly mounting said panel within the enclosure independently of said arms and releasable to provide for forward movement of said panel while supported by said arms and for rotation of the panel thereafter about its pivotal engagement with said other ends of the arms whereby to expose the back of the panel for access at the front of the enclosure.

6. In a panel cabinet, an enclosure having an openable door, a panel within said enclosure, circuit controlling means mounted on said panel and including manipulable elements at the back of the panel, a pair of arms at the opposite sides of the panel connected at one of their ends adjacent to the top of the enclosure and at the other of their ends to the opposite sides of the panel intermediate the top and bottom thereof, all of said connections providing for rotary movement between the arm ends and the connected part, at least one set of said connections providing for lost motion between the arms and the connected part, means rigidly mounting said panel within the enclosure independently of said arms and releasable to provide for forward movement of said panel while supported by said arms and for rotation of the panel thereafter about its pivotal engagement with said other ends of the arms 'whereby to expose the back of the panel for access at the front of the enclosure.

7. In a panel cabinet, an enclosure having an openable door, a panel within said enclosure, circuit controlling means mounted on said panel and including manipulable elements at the back of the panel, a pair of pins mounted on the panel at opposite sides and intermediate the top and bottom thereof, a pair of arms mounted at opposite sides of the panel with the lower ends of the arms rotatably engaging said pins, means rotatably mounting the upper ends of the arms to the enclosure at the opposite sides of and toward the front thereof, means rigidly mounting said panel within the enclosure and releasable to permit movement of said panel forwardly until limited by said arms and for rotation of said panel about said pin and arm mounting while supported by said arms to provide access to the back of the panel at the front of the enclosure.

8. In a panel cabinet, an enclosure having an openable door, a panel within said enclosure, circuit controlling means mounted on said panel and including manipulable elements at the back of the panel, a pair of angles mounted at the opposite sides of the panel, means at the top and bottom of the enclosure for rigidly mounting said angles, means providing a rotatable axis transversely of said panel and intermediate the top and bottom thereof and means providing for limiting tilting movement of the panel about the engagement of the angles with the bottom of the enclosure when the angles are released, said last mentioned means supporting the panel at the rotatable axis when in its tilted position and providing for further rotation of the panel about said rotatable axis to further uncover the back of the panel for manipulation at the front of the enclosure.

9. In a panel cabinet, an enclosure having an openable door, a panel within said enclosure, circuit controlling means mounted on said panel and including manipulable elements at the back of the panel, a pair of mounting angles disposed at the opposite sides of the panel, means at the top and bottom of the enclosure for rigidly mounting said angles therein, said last mentioned means including an angle at the bottom of the enclosure having an upstanding leg engaging the legs of the mounting angles to prevent rearward and sideways movement of the bottom of the panel, a pair of arms at opposite sides of the panel, said arms being connected to the enclosure at opposite sides of and toward the front thereof and to the panel at its opposite sides and intermediate the top and bottom thereof, said arm connections being rotatable and providing for limited lost motion connection to at least one of the enclosure and panel, said panel tilting forwardly about the engagement of the mounting angles and the bottom angle when the mounting angles are released,

with the forward tilting movement limited by said arms,

said panel being thereafter rotatable about the engagement of the panel with the lower ends of said arms whereby to expose the back of the panel to access at the front of the enclosure.

References Cited in the file of this patent V UNITED STATES PATENTS 1,129,389 Heller Feb. 23, 1915 1,243,784 Weesner et al Oct. 23, 1917 1,985,593 Allen Dec. 25, 1934 2,304,923 Jackson Dec. 15, 1942 2,335,581 Cocanour Nov. 30, 1943 2,553,667 McNicol May 2, 1951 2,566,064 Keim Aug. 28, 1951 2,636,929 Southwick Apr. 28, 1953

Patent Citations
Cited PatentFiling datePublication dateApplicantTitle
US1129389 *Apr 8, 1914Feb 23, 1915William C HellerDisplay-cabinet.
US1243784 *Aug 18, 1916Oct 23, 1917Hoosier Mfg CompanyTilting and removable flour-bin.
US1985593 *Nov 2, 1933Dec 25, 1934Allen Claud MCabinet structure
US2304923 *Feb 29, 1940Dec 15, 1942Square D CoMounting means for enclosed electric devices
US2335581 *Jun 2, 1941Nov 30, 1943Col Temp CorpDispensing cabinet
US2553667 *Mar 15, 1948May 22, 1951Cutler Hammer IncSupporting panel for groups of electrical devices
US2566064 *Oct 21, 1946Aug 28, 1951Gen ElectricCabinet construction
US2636929 *Aug 8, 1950Apr 28, 1953Reyrolle A & Co LtdHousing for electrical components
Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US2994807 *Sep 17, 1958Aug 1, 1961Avco Mfg CorpVertical tilt-out chassis
US3157827 *Oct 31, 1960Nov 17, 1964Allis Chalmers Mfg CoTilt out trunnion arrangement for enclosed switchboard structures
US3189792 *Mar 1, 1962Jun 15, 1965Gen Electric Co LtdEquipment frame mounting travelling wave tube and related apparatus
US3711053 *Nov 18, 1970Jan 16, 1973Dracon IndTelescoping wall mounting bracket for electrical racks
US4768131 *Dec 4, 1986Aug 30, 1988Siemens AktiengesellschaftPull-out frame with a guide rail for electric switchgear
US7784889 *Aug 31, 2010Rittal Gmbh & Co. KgSwitchgear cabinet with a rack and/or panel elements
US20070096608 *Oct 12, 2006May 3, 2007Rolf BennerSwitchgear cabinet with a rack and/or panel elements
DE1177244B *Nov 17, 1959Sep 3, 1964Siemens AgGehaeuse fuer ein in diesem senkrecht eingebautes, aus ihm herausziehbares und danach um eine an einer senkrechten Wand des Gehaeuses angeordnete senkrechte Achse schwenkbares elektrisches Schalttafel-Registriergeraet
Classifications
U.S. Classification361/647, 312/325
International ClassificationH02B11/00, H02B11/127
Cooperative ClassificationH02B11/127
European ClassificationH02B11/127