WO2018044943A1 - Nouvel ensemble came à parties emboîtables pour meubles - Google Patents

Nouvel ensemble came à parties emboîtables pour meubles Download PDF

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Publication number
WO2018044943A1
WO2018044943A1 PCT/US2017/049206 US2017049206W WO2018044943A1 WO 2018044943 A1 WO2018044943 A1 WO 2018044943A1 US 2017049206 W US2017049206 W US 2017049206W WO 2018044943 A1 WO2018044943 A1 WO 2018044943A1
Authority
WO
WIPO (PCT)
Prior art keywords
cam
piece
cam piece
interlock
furniture
Prior art date
Application number
PCT/US2017/049206
Other languages
English (en)
Inventor
Billy Joe GRIGGS, Jr.
Original Assignee
Griggs Billy Joe Jr
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Griggs Billy Joe Jr filed Critical Griggs Billy Joe Jr
Publication of WO2018044943A1 publication Critical patent/WO2018044943A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C3/00—Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats
    • A47C3/02—Rocking chairs
    • A47C3/029—Rocking chairs with curved rocking members resting on the floor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B12/00—Jointing of furniture or the like, e.g. hidden from exterior
    • F16B12/40—Joints for furniture tubing

Definitions

  • This invention relates to a mechanism and system for a cam assembly for connecting parts for furniture.
  • Ready to assemble furniture is very popular because it can be easier to assemble and relatively inexpensive as compared to fully assembled furniture.
  • pieces of furniture that have been proven to be exceedingly difficult to provide as ready to assemble furniture.
  • Reclining furniture with rocker, glider, swivel and other mechanisms create particular problems when used in ready to assemble furniture.
  • the precision of preparing the interlocking parts is typically beyond the ability of the average person working with ready to assemble furniture.
  • the present invention addresses this deficiency and provides a novel interlocking cam assembly whereby the interlocking cams are provided to allow for easier assembly of reclining and motion furniture.
  • the multi -piece cam further provides a configuration that is more easily disassembled and serviced in the field.
  • the present invention comprises a mechanism for assembling and connecting a furniture base to a piece of furniture.
  • the assembly comprises a furniture base having a first cam piece, configured with a first cam interlock, associated therewith; a furniture frame having a second cam piece, configured with a second cam interlock, associated therewith; with each of said first cam and second cam interlocks configured to mate and interlock one to another to form a cam.
  • the mechanism is configured to be used with a multitude of furniture bases including, but not limited to recliner mechanism bases, rockers, gliders, swivels, swivel rockers, swivel gliders, twin sleepers, full sleepers, queen sleepers, king sleepers, or combinations thereof.
  • the first cam piece is a system including two or more cam units or sub-pieces.
  • the second cam piece is a system including two or more cam units or sub-pieces.
  • the first cam piece may have two or more first cam interlocks
  • the second cam piece may have two or more second cam interlocks.
  • the first cam interlock is integrated onto said first cam piece.
  • the second cam interlock may be integrated onto said second cam piece.
  • the first cam interlock and said first cam piece are constructed of a unitary piece.
  • the second cam interlock and said second cam piece also may be constructed of a unitary piece.
  • the first cam interlock and said second cam interlock connect in a snap-fit locking arrangement.
  • the present invention further contemplates a method of connecting a furniture base to furniture, said method comprising the steps of: providing a first cam piece and second cam piece according to any of the configurations or combinations disclosed herein; associating said first cam piece with a furniture base; connecting said second cam piece to either a furniture seat box or a reclining mechanism; positioning said first and second cam pieces to align respective interlocks; and interlocking each of said first and second cam pieces one to another to form a cam.
  • FIG. 1A is a side perspective view of a two-piece cam assembly configuration in a separated position.
  • FIG. IB is a side perspective view of a two-piece cam assembly configuration in a separated position.
  • FIG. 1C is a side perspective view of a four-piece cam assembly configuration in a separated position.
  • FIG. 2 is a side perspective view of a two-piece cam assembly configuration in a connected position.
  • FIG. 3 is a partial cross-section from FIGS. 1A and IB with directional arrow indicating direction of connection of separate cam components.
  • FIG. 4 is a partial cross-section from FIGS. 1A, IB, and 3 with separate cam components in a connected position.
  • FIG. 5 is a side perspective view of another example of a two-piece cam assembly configuration in a separated position.
  • FIG. 6 is a side perspective view of the assembly of FIG. 5 in a connected position.
  • FIG. 7 is an outer side view of the assembly of FIG. 5 in a separated position
  • FIG. 8 is an outer side view of the assembly of FIG. 5 in a connected position.
  • FIG 9 is an inner side view of the assembly of FIG. 5 in a separated position
  • FIG 10 is an inner side view of the assembly of FIG. 5 in a connected position.
  • FIG 1 1 is a side perspective sectional view of the connected assembly of FIG. 6 along A-
  • FIG. 12 is a top sectional view of FIG. 11.
  • FIG. 13 is a side perspective view of another example of a two-piece cam assembly configuration in a separated position.
  • FIG. 14 is a side perspective view of the assembly of FIG. 13 in a connected position.
  • FIG. 15 is an outer side view of the assembly of FIG. 13 in a separated position
  • FIG. 16 is an outer side view of the assembly of FIG. 13 in a connected position.
  • FIG. 17 is an inner side view of the assembly of FIG. 13 in a separated position
  • FIG. 18 is an inner side view of the assembly of FIG. 13 in a connected position.
  • FIG. 19 is a side perspective sectional view of the connected assembly of FIG. 14 along B-B'.
  • FIG. 20 is a top sectional view of FIG. 19.
  • FIG. 21 is an inner side perspective view of another example of a lower or receiving cam piece from a two-piece cam assembly configuration.
  • FIG. 22 is an outer side perspective view of the cam piece of FIG. 21.
  • FIG. 23 is a top view of the cam piece of FIG. 21.
  • FIG. 24 is an outer side perspective view of another example of an upper cam piece from a two-piece cam assembly configuration with the lower cam piece of FIG. 21.
  • FIG. 25 is an inner side perspective view of the cam piece of FIG. 24.
  • FIG. 26 is an outer side view of the cam piece of FIG. 24.
  • FIG. 27 is an inner side view of the cam piece of FIG. 24.
  • FIG. 28 is a top view of the cam piece of FIG. 24.
  • FIG. 29 is an end view of the cam piece of FIG. 24.
  • the present invention relates to a multi-piece cam assembly for furniture.
  • the figures are demonstrative and the invention contemplates multiple configurations including, but not limited to two, three, four, and five cam component systems.
  • the two-piece cam is suitable for assembling a furniture base to the seat box portion of furniture. It is further contemplated that the present invention is suitable for connection of reclining mechanisms to a base in ready to assemble furniture.
  • Reclining furniture is without limitation and includes, but is not limited to, a rocker, glider, swivel, swivel rocker, swivel glider, power variations of all of the above, sleepers, or any piece of furniture that utilizes reclining mechanism.
  • the multi-piece cam assembly is suitable for all furniture, reclining or non-reclining, where connection is desired, such as, but not limited to, sofas, loveseats, chairs, sectional pieces, ottomans, rockers, gliders, swivels, swivel rocker, sleepers, and the like, each with their respective seat boxes and bases.
  • the present invention allows the seat boxes and bases to be disconnected and connected in various combinations as desired, by the consumer, the retail store, or others.
  • the two-piece cam is particularly well suited for connecting a furniture frame to a base.
  • first cam piece as a locking cam connected to a furniture frame and a second or receiving cam piece connected to a base, the locking/receiving configurations are interchangeable.
  • First cam piece configured as a receiving cam piece 20 is constructed and arranged with a locking orifice 24.
  • Orifice 24 is constructed and arranged to interact with locking tab 34 on locking cam piece 32.
  • Receiving cam piece 20 has formed thereon a horizontal support receiver 22 which is constructed and arranged to receive horizontal supports 36 of the present invention.
  • receiving cam piece 20 is constructed arranged with a curved lower surface 26 that interacts with the upper surface 28 of furniture base 30.
  • receiving cam piece 20 is flat and secured to base 30.
  • the cam pieces may be referred to as connector pieces, i.e., receiving connector piece 20 and locking connector piece 32, which combine to form a connector.
  • the locking cam piece 32 of the present invention is constructed and arranged to affix to the seat box or scissor/main assembly of a reclining mechanism of a piece of furniture.
  • locking cam piece 32 is affixed to the seat box.
  • the seat box frame or recliner frame is formed with a cam portion integral therewith. Since locking cam piece 32 is affixed to the underside of an article of furniture it is positioned above receiving cam piece 20 whereby locking tab 34 interacts with locking tab 24 in order to removably interconnect locking cam piece 32 with receiving cam piece 20.
  • cam pieces can in turn be provided in two or more separate sub- pieces.
  • receiving cam pieces 20 are provided in pairs.
  • locking cam pieces may also be provided in pairs, and either may be provided in multiple sub-pieces.
  • receiving cam piece 20 is positioned over a prepared upper surface 28 of furniture base 30.
  • locking cam piece 32 is positioned and locked onto receiving cam piece 20 to form a cam, the article of furniture attached thereto will be able to rock along base 30.
  • Base 30 is constructed and arranged to have two main base portions each being 30 that are interconnected by transverse supports 38.
  • Cam piece 20 has receiving socket 42 configured to mate with positioning tab 40 of locking cam piece 32.
  • the invention is a mechanism for a piece of furniture comprising: two or more locking cam pieces, constructed and arranged with at least one locking mechanism on each cam piece; two or more receiving cam pieces, said receiving cam pieces are constructed and arranged to receive said locking mechanism, said interconnected cam pieces are configured to be used in reclining furniture and sleepers to include, but not limited to, rockers, gliders, swivels, swivel rockers, swivel gliders, twin sleepers, full sleepers, queen sleepers, king sleepers.
  • this mechanism assembly covers power reclining variations.
  • the multi-piece cam is contemplated to connect and disconnect in a male-female interlock arrangement.
  • the multi-piece cam represents a significant and unforeseen improvement in furniture design and construction by providing a construction element that improves ease of assembly and disassembly.
  • the multi- piece cam assembly is suitable not only for rocking, reclining, and gliding assemblies, but for all furniture in which there is the attachment of a mechanism to a frame base.
  • the multi cam configurations provide additional benefit relating to simplification of the assembly process.
  • FIGS. 5-20 show additional exemplary embodiments of a multi-piece cam assembly, comprising a receiving (i.e., a first or lower) cam piece 120 and a locking (i.e., a second or upper) cam piece 130.
  • the interlocks, 140a, b, 142a, b are positioned at one or both ends of the cam pieces, thereby providing enhanced stability when the cam pieces are locked together.
  • One or more positioning elements, as described below, also may be used to provide assistance in assembly and overall stability and strength of the cam pieces when locked together to form the multi-piece cam.
  • An end interlock mechanism comprises one or more end tabs 140a, b extending from the end or ends of a cam piece, and a corresponding slot or groove 142 a, b, with or without walls or tabs of its own, on the inside of the end or ends of the other cam piece, the slot or groove 142a, b adapted to receive the corresponding one or more end tabs 140a, b.
  • a locking tab or tabs 150 in the end interlock mechanism on one cam piece engages a corresponding hole, opening, slot, groove or tab 152 in the end interlock mechanism on the other cam piece to removably secure the one or more end tabs 140a, b within the corresponding slot or groove 142a, b.
  • a tool or instrument such as, but not limited to, a screw-driver, may be inserted into an opening in the end interlock mechanism to release the locking tab or tabs 150.
  • the end interlock mechanisms also serve as positioning elements in addition to locking or connection elements.
  • FIG. 5 shows the end tabs 140a, b on the upper or locking cam piece 130, and the receiving slots or grooves 142a, b on the lower or receiving cam piece 120
  • one or both end tabs may located on the lower or receiving cam piece, and the corresponding slot or groove located on the upper or locking cam piece.
  • the locking tabs 150 may be located on either the lower or receiving cam piece or the upper or locking cam piece, with the corresponding hole, opening, slot, groove or tab located on the other cam piece element.
  • FIGS. 5-20 further show a plurality of positioning elements that may be used to assist in assembly of the multi -piece cam.
  • One or more vertical ribs, ridges or rectilinear elements 160 may be located along a side of a cam piece, extending to the bottom or top, respectively, of the cam piece, with a corresponding slot, groove or channel 162 on a corresponding side of the other cam piece element provided to receive the corresponding vertical rib, ridge or rectilinear element 160.
  • the top of the vertical ribs, ridges or rectilinear elements may be angled 166 for ease of insertion.
  • the vertical rib, ridge or rectilinear extends to the bottom 122 of the lower cam piece.
  • the bottom of the lower cam piece may be solid, or hollow in sections or parts to reduce weight.
  • one or more rectilinear elements or blocks, 170a, b, 180a, b, 190 may be positioned along a side of the receiving or locking cam (and may be positioned along or near the top of the particular cam element), with a corresponding receiving hole or slot, 172a, b, 182a, b, 192, located along or in a corresponding side of the other cam piece element.
  • These elements may be of substantial size, and thus provide additional support and strength to the cam when assembled.
  • the sides of rectilinear elements 170a, b may comprise channels 174 adapted to receive corresponding tabs or ribs 176 along the inside of the corresponding receiving slot or hole, 172a, b.
  • one or more of these elements may incorporate or include one or more of the horizontal support receivers 22.
  • a central positioning element 190, 192 is provided to provide additional strength and security for the assembled cam pieces.
  • Positioning element 190 may be a simple block or flat extension, or may be L-shaped in cross-section, with a outermost element 194 that latches over or slides into a groove or slot 196 in the corresponding positioning element.
  • This positioning element also may serve as an additional central interlock mechanism as described above, providing three or more interlock points in conjunction with the two
  • one or more horizontal attachment tabs or elements 200a, b are located along or near the top of the upper cam piece 130, the horizontal attachment tabs or elements comprising bolt holes or slots 204 for attaching one or more mechanisms or furniture components to the cam. piece.
  • the horizontal attachment tabs 200a, b also may comprise or be an extension of a positioning element, such as blocks 180a, b, as described above, and fit within corresponding grooves or channels 182a, b in the lower cam piece 120.
  • the block positioning elements 180a, b and corresponding grooves or channels 182a, b also may comprise an additional tab 210 and slot or groove 212 on respective elements to help position and secure the respective cam pieces when connected.
  • FIGS. 21-29 show additional exemplary embodiments of a flat-sided multi -piece cam assembly, comprising a receiving (i.e., a first or lower) cam piece 320 and a locking (i.e., a second or upper) cam piece 230.
  • the interlocks, 140a, b, 142a, b are positioned at one or both ends of the cam pieces as described above, thereby providing enhanced stability when the cam pieces are locked together.
  • One or more positioning elements, as described above, also may be used to provide assistance in assembly and overall stability and strength of the cam pieces when locked together to form the multi-piece cam.
  • Fastening means such as a hole 312a, b, on the interior of the orifice 322 may be used to receive a spring-based tab or extension element on the horizontal support to hold the horizontal support securely in place.
  • the fastening means can be released by pushing the tab or extension down or inwards.
  • the horizontal support may comprise a hole extending therethrough proximate to the end, and configured to align with matching holes 310a, b extending vertically through the cam piece and opening into the corresponding orifices 322.
  • a screw or bolt may then be inserted into the holes 310a, b and through the corresponding holes in the horizontal support when inserted into the orifice.
  • FIGS. 5-29 also possess a significant advantage in shipping of the respective furniture pieces or components with the respective cam pieces attached, as it has no positioning elements extending outward from the top or bottom of the respective cam pieces or components, or, in the case of FIGS. 21-29, from the sides of the respective cam pieces or components.
  • a positioning tab or element extending from the bottom of the upper or locking cam piece can be damaged or bent during shipping, thereby interfering or preventing the proper functioning of the cam elements and assembly.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Furniture Connections (AREA)

Abstract

L'invention concerne un mécanisme et un procédé d'assemblage d'une base à un meuble. Ce mécanisme est pourvu d'au moins deux pièces de came à mécanismes d'emboîtement complémentaires conçus et agencés pour s'emboîter mutuellement afin de former une came. Une pluralité de mécanismes d'emboîtement peuvent être obtenus, ainsi qu'une pluralité d'éléments de positionnement sur des pièces de came respectives.
PCT/US2017/049206 2016-08-29 2017-08-29 Nouvel ensemble came à parties emboîtables pour meubles WO2018044943A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US201662380932P 2016-08-29 2016-08-29
US62/380,932 2016-08-29
US201762490226P 2017-04-26 2017-04-26
US62/490,226 2017-04-26

Publications (1)

Publication Number Publication Date
WO2018044943A1 true WO2018044943A1 (fr) 2018-03-08

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ID=61301554

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2017/049206 WO2018044943A1 (fr) 2016-08-29 2017-08-29 Nouvel ensemble came à parties emboîtables pour meubles

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5564781A (en) * 1994-06-09 1996-10-15 Jpd Incorporated Base frame for base assembly of rocker recliner chair
US20070234507A1 (en) * 2006-03-30 2007-10-11 Vorpahl Steven A Fungible furniture glide
US7628452B2 (en) * 2008-02-29 2009-12-08 Shanghai Industries Group, Ltd. Rocker base
US7832806B2 (en) * 2005-08-03 2010-11-16 Aisin Seiki Kabushiki Kaisha Seat apparatus for vehicle
US20120261532A1 (en) * 2011-04-15 2012-10-18 Whalen Furniture Manufacturing, Inc. Ready to assemble chair base
US20140239698A1 (en) * 2013-01-29 2014-08-28 Billy Joe Griggs, Jr. Novel cam assembly utilizing 2 or more interconnected and locking parts for furniture

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5564781A (en) * 1994-06-09 1996-10-15 Jpd Incorporated Base frame for base assembly of rocker recliner chair
US7832806B2 (en) * 2005-08-03 2010-11-16 Aisin Seiki Kabushiki Kaisha Seat apparatus for vehicle
US20070234507A1 (en) * 2006-03-30 2007-10-11 Vorpahl Steven A Fungible furniture glide
US7628452B2 (en) * 2008-02-29 2009-12-08 Shanghai Industries Group, Ltd. Rocker base
US20120261532A1 (en) * 2011-04-15 2012-10-18 Whalen Furniture Manufacturing, Inc. Ready to assemble chair base
US20140239698A1 (en) * 2013-01-29 2014-08-28 Billy Joe Griggs, Jr. Novel cam assembly utilizing 2 or more interconnected and locking parts for furniture

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