US3281197A - Roller assembly for positioning corner shelf hardware - Google Patents

Roller assembly for positioning corner shelf hardware Download PDF

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US3281197A
US3281197A US394024A US39402464A US3281197A US 3281197 A US3281197 A US 3281197A US 394024 A US394024 A US 394024A US 39402464 A US39402464 A US 39402464A US 3281197 A US3281197 A US 3281197A
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cabinet
support
roller
cam
bracket
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US394024A
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Lloyd L Anderson
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Amerock Corp
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Amerock Corp
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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
    • A47B49/00—Revolving cabinets or racks; Cabinets or racks with revolving parts
    • A47B49/004—Cabinets with compartments provided with trays revolving on a vertical axis
    • A47B49/006—Corner cabinets

Definitions

  • the primary aim of the invention is to provide an economical easily adjusted assembly for very closely establishing the closed or normal position of a swingable ca'binet.
  • a collateral object is to provide a support as described above that can be very finely adjusted since there is little part looseness or play.
  • FIGURE 1 is a plan of a cabinet assembly employing hardware embodying the present invention
  • FIG. 2 is an enlarged fragmentary section taken approximately along the line 22 in FIG. 1;
  • FIG. 3 is an enlarged fragmentary section taken approximately along the line 33 in FIG. 1;
  • FIGS. 4 and 5 are fragmentary plans partially in section showing, in enlarged form, the structure appearing at the center of FIG. 1;
  • FIG. 6 is a perspective of portions of the hardware otherwise appearing in the other views.
  • FIGS. 1 and 3 there is shown a corner cabinet assembly 10 including a frame 11 and a cabinet 12 pivoted in the frame 11 for swinging movement about a vertical axis.
  • the cabinet 12 includes a shelf panel 13 and an L-shaped front panel 14.
  • the frame 11 includes a base 15 rigidly supporting a plurality of vertical members 16 which, in turn, rigidly carry a top member 17.
  • the cabinet assembly 10 is intended for installation in a corner with the vertical or front cabinet panel 14 being fitted flush with adjacent units.
  • the lower end of the cabinet 12 is pivoted "by a pin 21 anchored in the shelf 13 and riding in a bearing cup 22 mounted in a plate 23 fixed to the frame base 15.
  • the upper end of the cabinet 12 is pivoted by a pin 25 mounted in a bracket 26 that is fixed to the frame top member 17.
  • the pin 25 rotatably engages a bearing member 27 that is fixed to the cabinet panel 14.
  • the cabinet 12 is resiliently held in an angularly adjustable, closed or normal position by the interaction of a peripherally notched cam 30 and a novelly supported cam follower roller 31.
  • the roller 31 is supported on the cabinet 12 and the cam 30 is fixed on the frame 11.
  • the cam 30 is formed as an integral skirt on the bracket 26 having a generally annular pc- "ice riphery interrupted by a notch 32 that receives the roller 31 and establishes the normal closed position of the cabinet 12.
  • the roller 31 is journaled on a support 35 which is pivoted by a pin 36 on a bracket that, preferably, is defined by arms 37 formed integrally with the bearing member 27.
  • the support 35 is a one piece member having a flexible folded portion 40. On one side of the folded portion 40 are a pair of flanges 41 journaling the roller 31, and on the opposite side of the folded portion are an additional pair of flanges 42 which receive the support pivot pin 36.
  • An adjusting screw 43 interconnects portions of the support 35 on opposite sides of the folded portion 40.
  • the screw 43 is threaded into a collar 44 formed between the flanges 41 and, at the opposite end, the screw 43 carries a head 45 having a peripheral groove 1 .46 that fits into the narrowed portion of a keyhole opening 47 formed on the support 35 between the flanges 42.
  • the larger portion of the keyhole opening 47 freely receives the-screw head 45 so as to facilitate assembly. That is, the screw can be threaded into the collar 44 until the head 45 passes into the opening 47, whereupon the groove 46 is slid into the narrowed portion of the opening 47 so as to establish the interconnection between the portions of the support 35 on the opposite sides of the folded portion 40.
  • a helical spring 50 is anchored over a tongue 51 formed on the support 35 and is compressed against a seat 52 on the bracket defining member 27
  • the parts are assembled so that the line of fold of the folded portion 40, and the axes of the cabinet 12, the cam 30, the support 35 and the roller 31 are all parallel.
  • rotation of the cabinet about its pivot pin 25 causes the roller 31 to roll freely about the periphery of the cam 30.
  • the cabinet 12 With the roller 31 received in the cam notch 32 under the biasing force of the spring 50, the cabinet 12 is resiliently held in a normal, closed position. Rotation of the cabinet causes the roller 31 to easily roll out of the cam notch 32 with the support 35 swinging about its pivot pin 36 against the force of the spring 50.
  • the screw 43 is turned with an ordinary screwdriver. With reference to FIG. 5, rotating the screw 43 so as to thread it into the collar 44 bends the support 35 more sharply about the folded portion 40 so as to swing the roller 31 about an approximate radius 55. This shortens the distance between the axis of the roller 31 and the support pivot pin 36 as, for example, shortening the distance indicated by the arrow 56 to that indicated by the arrow 57. This change of distance tends to pull the support pivot pin 36 about an arc whose radius is indicated by the arrow 58 and thus the angular position of the cabinet 12 is varied through the extent of an angle 59. Rotation of the screw 43 in the opposite direction adjustably rotates the cabinet back in the opposite direction.
  • the axis of the cabinet 12, the axis of the roller 31 and the line of fold of the folded portion 40 are disposed substantially along a straight line so as to minimize the possible bending effect on the folded portion 40 by the force exerted by the spring 50. Since the adjustment of the normal cabinet position is achieved by bending a flexible member, it can be seen that a minimum of looseness or play between adjacent parts enters into the angular positioning of the cabinet and hence the closed position can be very accurately established and maintained. Those familiar with this art will also appreciate that the hardware described above may be quite economically manufactured and that, in assembled relation, it provides a compact and eflicient mechanism.
  • a peripheral notch a cam follower bracket, means mounting said cam and said bracket one on said structure and the other on said cabinet, a support pivoted on said bracket, a roller journaled on said support, said supporthaving a resilient folded portion between said roller and said bracket pivot, an adjusting screw interconnecting portions of said support on opposite sides of said folded portion so that turning the screw aries the angle of fold and shifts the roller relative to said support pivot, and means biasing said support about its pivot so as to urge said roller against the notched periphery of said cam, the line of fold of said folded portion and the axes of said cabinet, said cam, said support and said roller all being parallel.
  • a swingable cabinet assembly comprising, in combination, stationary pivot structure, a cabinet rotatably mounted on said structure, a generally annular cam having a peripheral notch, a cam follower bracket, means mounting said cam and said bracket one on said structure and the other on said cabinet, a support pivoted on said bracket, a roller journaled on said support, said support having a resilient folded portion between said roller and said bracket pivot, an adjusting screw interconnecting portions of said support on opposite sides of said folded portion so that turning the screw varies the angle of fold and shifts the roller relative to said support pivot, said adjusting screw having a peripherally grooved head with the groove being fitted in the narrow portion of a keyhole opening formed in said support, said opening having a portion larger than the diameter of said head so as to facilitate assembly, and means biasing said support about its pivot so as to urge said roller against the notched periphery of said cam.
  • a swingable cabinet assembly comprising, in combination, stationary pivot structure, a cabinet rotatably mounted on said structure, a generally annular cam having a peripheral notch, a cam follower bracket, means mounting said cam and said bracket one on said structure and the other on said cabinet, a support pivoted on said bracket, a roller journaled on said support, said support having a resilient folded portion between said roller and said bracket pivot, an adjusting screw interconnecting portions of said support on opposite sides of said folded portion so that turning the screw varies the angle of fold and shifts the roller relative to said support pivot, and means biasing said support about its pivot so as to urge said roller against the notched periphery of said cam, said cam axis, said roller axis and said line of fold of said folded portion lying substantially in a straight line so as to minimize the eifect of said biasing means on said line of fold.
  • a swingable cabinet hardware assembly comprising, in combination, a generally annular cam having a peripheral notch, a cam follower bracket, a one piece support pivoted on said bracket, a roller journaled on said support, said support having a resilient folded portion between said roller and said bracket pivot, an adjusting screw interconnecting portions of said support on opposite sides of said folded portions so that turning the screw varies the angle of fold and shifts the roller relative to said support pivot, and means for biasing said support about its p ivot against the notched periphery of said cam.
  • a frame member a cabinet member, pivot means supporting said cabinet member on said frame member to turn about a predetermined axis, a cam mounted on one of said members and having a surface encircling said axis and formed with a peripheral notch, a deformable support mounted on the other of said members adjacent said cam, a roller mounted on said support, means resiliently urging said roller against said surface whereby the roller locates the cabinet as it enters said notch, and means operable to deform said support selectively thereby to vary the location of the cabinet when said roller is disposed in said notch.

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  • Assembled Shelves (AREA)

Description

Oct. 25, 1966 L. L. ANDERSON 3,281,197
ROLLER ASSEMBLY FOR POSITIONING CORNER SHELF HARDWARE Filed Sept. 2, 1964 2 Sheets-Sheet 1 Z I EIQVEIIDTOKQ m lalqgd Lfflnolenron 1 0% /AKJ-4 Oq-rToRmEx/ v Oct. 25, 1966 L. L. ANDERSON 3,281,197
ROLLER ASSEMBLY FOR POSITIONING CORNER SHELF HARDWARE Filed Sept. 2, l964 2 Sheets-Sheet 2 (ITTOr-LMEIY/ United States Patent 3,281,197 ROLLER ASSEMBLY FOR POSITIONING CORNER SHELF HARDWARE Lloyd L. Anderson, Rockford, Ill., assignor to Amerock Corporation, Rockford, Ill., a corporation of Illinois Filed Sept. 2, 1964, Ser. No. 394,024 Claims. (Cl. 312-305) This invention relates generally to cabinet hardware and more particularly concerns a roller assembly for angularly positioning a swinging cabinet.
The primary aim of the invention is to provide an economical easily adjusted assembly for very closely establishing the closed or normal position of a swingable ca'binet.
More particularly, it is an object of the invention to provide an assembly of the above character embodying a sturdy, one piece cam follower support that can be easily and economically manufactured.
A collateral object is to provide a support as described above that can be very finely adjusted since there is little part looseness or play.
It is also an object to provide hardware as characterized above which constitutes a particularly compact, although eflicient, assembly.
Other objects and advantages of the invention will become apparent upon reviewing the following detailed description and upon reference to the drawings, in which:
FIGURE 1 is a plan of a cabinet assembly employing hardware embodying the present invention;
FIG. 2 is an enlarged fragmentary section taken approximately along the line 22 in FIG. 1;
FIG. 3 is an enlarged fragmentary section taken approximately along the line 33 in FIG. 1;
FIGS. 4 and 5 are fragmentary plans partially in section showing, in enlarged form, the structure appearing at the center of FIG. 1; and
FIG. 6 is a perspective of portions of the hardware otherwise appearing in the other views.
While the invention will be described in connection with a preferred embodiment, it will be understood that I do not intend to limit the invention to that embodiment. On the contrary, I intend to cover all alternatives, modifications and equivalents as may be included within the spirit and scope of the invention as defined by the appended claims.
Turning first to FIGS. 1 and 3, there is shown a corner cabinet assembly 10 including a frame 11 and a cabinet 12 pivoted in the frame 11 for swinging movement about a vertical axis. The cabinet 12 includes a shelf panel 13 and an L-shaped front panel 14. The frame 11 includes a base 15 rigidly supporting a plurality of vertical members 16 which, in turn, rigidly carry a top member 17. The cabinet assembly 10 is intended for installation in a corner with the vertical or front cabinet panel 14 being fitted flush with adjacent units.
The lower end of the cabinet 12 is pivoted "by a pin 21 anchored in the shelf 13 and riding in a bearing cup 22 mounted in a plate 23 fixed to the frame base 15. The upper end of the cabinet 12 is pivoted by a pin 25 mounted in a bracket 26 that is fixed to the frame top member 17. The pin 25 rotatably engages a bearing member 27 that is fixed to the cabinet panel 14.
In accordance with the invention, the cabinet 12 is resiliently held in an angularly adjustable, closed or normal position by the interaction of a peripherally notched cam 30 and a novelly supported cam follower roller 31. Preferably, the roller 31 is supported on the cabinet 12 and the cam 30 is fixed on the frame 11. In the illustrated construction, the cam 30 is formed as an integral skirt on the bracket 26 having a generally annular pc- "ice riphery interrupted by a notch 32 that receives the roller 31 and establishes the normal closed position of the cabinet 12.
The roller 31 is journaled on a support 35 which is pivoted by a pin 36 on a bracket that, preferably, is defined by arms 37 formed integrally with the bearing member 27. The support 35 is a one piece member having a flexible folded portion 40. On one side of the folded portion 40 are a pair of flanges 41 journaling the roller 31, and on the opposite side of the folded portion are an additional pair of flanges 42 which receive the support pivot pin 36. An adjusting screw 43 interconnects portions of the support 35 on opposite sides of the folded portion 40. The screw 43 is threaded into a collar 44 formed between the flanges 41 and, at the opposite end, the screw 43 carries a head 45 having a peripheral groove 1 .46 that fits into the narrowed portion of a keyhole opening 47 formed on the support 35 between the flanges 42. The larger portion of the keyhole opening 47 freely receives the-screw head 45 so as to facilitate assembly. That is, the screw can be threaded into the collar 44 until the head 45 passes into the opening 47, whereupon the groove 46 is slid into the narrowed portion of the opening 47 so as to establish the interconnection between the portions of the support 35 on the opposite sides of the folded portion 40.
To bias the roller 31 against the cam 30, a helical spring 50 is anchored over a tongue 51 formed on the support 35 and is compressed against a seat 52 on the bracket defining member 27 The parts are assembled so that the line of fold of the folded portion 40, and the axes of the cabinet 12, the cam 30, the support 35 and the roller 31 are all parallel. Thus, rotation of the cabinet about its pivot pin 25 causes the roller 31 to roll freely about the periphery of the cam 30. With the roller 31 received in the cam notch 32 under the biasing force of the spring 50, the cabinet 12 is resiliently held in a normal, closed position. Rotation of the cabinet causes the roller 31 to easily roll out of the cam notch 32 with the support 35 swinging about its pivot pin 36 against the force of the spring 50.
To adjust the normal closed position of the cabinet 12, the screw 43 is turned with an ordinary screwdriver. With reference to FIG. 5, rotating the screw 43 so as to thread it into the collar 44 bends the support 35 more sharply about the folded portion 40 so as to swing the roller 31 about an approximate radius 55. This shortens the distance between the axis of the roller 31 and the support pivot pin 36 as, for example, shortening the distance indicated by the arrow 56 to that indicated by the arrow 57. This change of distance tends to pull the support pivot pin 36 about an arc whose radius is indicated by the arrow 58 and thus the angular position of the cabinet 12 is varied through the extent of an angle 59. Rotation of the screw 43 in the opposite direction adjustably rotates the cabinet back in the opposite direction.
Preferably, the axis of the cabinet 12, the axis of the roller 31 and the line of fold of the folded portion 40 are disposed substantially along a straight line so as to minimize the possible bending effect on the folded portion 40 by the force exerted by the spring 50. Since the adjustment of the normal cabinet position is achieved by bending a flexible member, it can be seen that a minimum of looseness or play between adjacent parts enters into the angular positioning of the cabinet and hence the closed position can be very accurately established and maintained. Those familiar with this art will also appreciate that the hardware described above may be quite economically manufactured and that, in assembled relation, it provides a compact and eflicient mechanism.
ing a peripheral notch, a cam follower bracket, means mounting said cam and said bracket one on said structure and the other on said cabinet, a support pivoted on said bracket, a roller journaled on said support, said supporthaving a resilient folded portion between said roller and said bracket pivot, an adjusting screw interconnecting portions of said support on opposite sides of said folded portion so that turning the screw aries the angle of fold and shifts the roller relative to said support pivot, and means biasing said support about its pivot so as to urge said roller against the notched periphery of said cam, the line of fold of said folded portion and the axes of said cabinet, said cam, said support and said roller all being parallel.
2. A swingable cabinet assembly comprising, in combination, stationary pivot structure, a cabinet rotatably mounted on said structure, a generally annular cam having a peripheral notch, a cam follower bracket, means mounting said cam and said bracket one on said structure and the other on said cabinet, a support pivoted on said bracket, a roller journaled on said support, said support having a resilient folded portion between said roller and said bracket pivot, an adjusting screw interconnecting portions of said support on opposite sides of said folded portion so that turning the screw varies the angle of fold and shifts the roller relative to said support pivot, said adjusting screw having a peripherally grooved head with the groove being fitted in the narrow portion of a keyhole opening formed in said support, said opening having a portion larger than the diameter of said head so as to facilitate assembly, and means biasing said support about its pivot so as to urge said roller against the notched periphery of said cam.
3. A swingable cabinet assembly comprising, in combination, stationary pivot structure, a cabinet rotatably mounted on said structure, a generally annular cam having a peripheral notch, a cam follower bracket, means mounting said cam and said bracket one on said structure and the other on said cabinet, a support pivoted on said bracket, a roller journaled on said support, said support having a resilient folded portion between said roller and said bracket pivot, an adjusting screw interconnecting portions of said support on opposite sides of said folded portion so that turning the screw varies the angle of fold and shifts the roller relative to said support pivot, and means biasing said support about its pivot so as to urge said roller against the notched periphery of said cam, said cam axis, said roller axis and said line of fold of said folded portion lying substantially in a straight line so as to minimize the eifect of said biasing means on said line of fold.
4. A swingable cabinet hardware assembly comprising, in combination, a generally annular cam having a peripheral notch, a cam follower bracket, a one piece support pivoted on said bracket, a roller journaled on said support, said support having a resilient folded portion between said roller and said bracket pivot, an adjusting screw interconnecting portions of said support on opposite sides of said folded portions so that turning the screw varies the angle of fold and shifts the roller relative to said support pivot, and means for biasing said support about its p ivot against the notched periphery of said cam.
5. In a swingable cabinet assembly, the combination of, a frame member, a cabinet member, pivot means supporting said cabinet member on said frame member to turn about a predetermined axis, a cam mounted on one of said members and having a surface encircling said axis and formed with a peripheral notch, a deformable support mounted on the other of said members adjacent said cam, a roller mounted on said support, means resiliently urging said roller against said surface whereby the roller locates the cabinet as it enters said notch, and means operable to deform said support selectively thereby to vary the location of the cabinet when said roller is disposed in said notch.
References Cited by the Examiner UNITED STATES PATENTS 3/1910 Hughes 108105 1/1955 Stoeckl 312238

Claims (1)

  1. 5. IN A SWINGABLE CABINET ASSEMBLY, THE COMBINATION OF, A FRAME MEMBER, A CABINET MEMBER, PIVOT MEANS SUPPORTING SAID CABINET MEMBER ON SAID FRAME MEMBER TO TURN ABOUT A PREDETERMINED AXIS, A CAM MOUNTED ON ONE OF SAID MEMBERS AND HAVING A SURFACE ENCIRCLING SAID AXIS AND FORMED WITH A PERIPHERAL NOTCH, A DEFORMABLE SUPPORT MOUNTED ON THE OTHER OF SAID MEMBERS ADJACENT SAID CAM, A ROLELR MOUNTED ON SAID SUPPORT, MEANS RESILIENTLY URGING SAID ROLLER AGAINST SAID SURFACE WHEREBY THE ROLLER LOCATES THE CABINET AS IT ENTERS SAID NOTCH, AND MEANS OPERABLE TO DEFORM SAID SUPPORT SELECTIVELY THEREBY TO VARY THE LOCATION OF THE CABINET WHEN SAID ROLLER IS DISPOSED IN SAID NOTCH.
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Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3868156A (en) * 1973-04-30 1975-02-25 Lescoa Inc Rotary cabinet assembly
US4146280A (en) * 1977-06-02 1979-03-27 Maurice Crownhart Rotatable drawer assembly
US4181037A (en) * 1977-08-24 1980-01-01 Jones Plastic & Engineering Corporation Lazy Susan assembly having an adjustable alignment mechanism
US4418970A (en) * 1981-02-20 1983-12-06 Leslie Metal Arts Company Rotary-position catch for rotatable shelf units
US4486106A (en) * 1983-05-19 1984-12-04 Amerock Corporation Rotary shelf assembly
US4587908A (en) * 1985-03-12 1986-05-13 Amerock Corporation Rotary shelf assembly with bearing assembly and detent mechanism
US4616940A (en) * 1985-03-18 1986-10-14 Amerock Corporation Vertically adjustable rotatable shelf assembly
US5169220A (en) * 1991-12-10 1992-12-08 Herr Martin R Rotating shelf apparatus
EP0563933A2 (en) * 1992-04-01 1993-10-06 Ninkaplast GmbH Corner cupboard
US5374117A (en) * 1992-12-28 1994-12-20 Herr; Martin R. Simplified rotating shelf apparatus
US6017108A (en) * 1998-11-27 2000-01-25 Domenig; Georg Rotary shelf mechanism
US20100108629A1 (en) * 2007-02-22 2010-05-06 Peter Meier, Inc. Rotary shelf system
US7922016B1 (en) 2006-02-23 2011-04-12 Rev-A-Shelf Company, Llc Rotary shelf system
US9351566B2 (en) * 2013-08-21 2016-05-31 Fas Industries, Inc. Sure stop lazy susan bearing and detent mechanism

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US953205A (en) * 1909-03-15 1910-03-29 Arthur Sheridan Hughes Display-rack.
US2698776A (en) * 1950-11-18 1955-01-04 Geneva Modern Kitchens Inc Corner base cabinet

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US953205A (en) * 1909-03-15 1910-03-29 Arthur Sheridan Hughes Display-rack.
US2698776A (en) * 1950-11-18 1955-01-04 Geneva Modern Kitchens Inc Corner base cabinet

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3868156A (en) * 1973-04-30 1975-02-25 Lescoa Inc Rotary cabinet assembly
US4146280A (en) * 1977-06-02 1979-03-27 Maurice Crownhart Rotatable drawer assembly
US4181037A (en) * 1977-08-24 1980-01-01 Jones Plastic & Engineering Corporation Lazy Susan assembly having an adjustable alignment mechanism
US4418970A (en) * 1981-02-20 1983-12-06 Leslie Metal Arts Company Rotary-position catch for rotatable shelf units
US4486106A (en) * 1983-05-19 1984-12-04 Amerock Corporation Rotary shelf assembly
US4587908A (en) * 1985-03-12 1986-05-13 Amerock Corporation Rotary shelf assembly with bearing assembly and detent mechanism
US4616940A (en) * 1985-03-18 1986-10-14 Amerock Corporation Vertically adjustable rotatable shelf assembly
US5169220A (en) * 1991-12-10 1992-12-08 Herr Martin R Rotating shelf apparatus
EP0563933A2 (en) * 1992-04-01 1993-10-06 Ninkaplast GmbH Corner cupboard
EP0563933A3 (en) * 1992-04-01 1996-09-18 Ninkaplast Gmbh Corner cupboard
US5374117A (en) * 1992-12-28 1994-12-20 Herr; Martin R. Simplified rotating shelf apparatus
US6017108A (en) * 1998-11-27 2000-01-25 Domenig; Georg Rotary shelf mechanism
USRE37943E1 (en) * 1998-11-27 2002-12-31 Georg Domenig Rotary shelf mechanism
US7922016B1 (en) 2006-02-23 2011-04-12 Rev-A-Shelf Company, Llc Rotary shelf system
US20110163056A1 (en) * 2006-02-23 2011-07-07 Rev-A-Shelf Company, LLC: Rotary shelf system
US8528873B2 (en) 2006-02-23 2013-09-10 Rev-A-Shelf Company, Llc Rotary shelf system
US20100108629A1 (en) * 2007-02-22 2010-05-06 Peter Meier, Inc. Rotary shelf system
US9351566B2 (en) * 2013-08-21 2016-05-31 Fas Industries, Inc. Sure stop lazy susan bearing and detent mechanism

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