US3771194A - Improved cover mounting hinge and counter balance mechanism and method of mounting same - Google Patents

Improved cover mounting hinge and counter balance mechanism and method of mounting same Download PDF

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Publication number
US3771194A
US3771194A US00200029A US3771194DA US3771194A US 3771194 A US3771194 A US 3771194A US 00200029 A US00200029 A US 00200029A US 3771194D A US3771194D A US 3771194DA US 3771194 A US3771194 A US 3771194A
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US
United States
Prior art keywords
bottom plate
cover
bracket
legs
pin
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
US00200029A
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English (en)
Inventor
C Little
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Weber Knapp Co
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Weber Knapp Co
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Filing date
Publication date
Application filed by Weber Knapp Co filed Critical Weber Knapp Co
Application granted granted Critical
Publication of US3771194A publication Critical patent/US3771194A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • E05F1/12—Mechanisms in the shape of hinges or pivots, operated by springs
    • E05F1/1246—Mechanisms in the shape of hinges or pivots, operated by springs with a coil spring perpendicular to the pivot axis
    • E05F1/1253—Mechanisms in the shape of hinges or pivots, operated by springs with a coil spring perpendicular to the pivot axis with a compression spring
    • E05F1/1261—Mechanisms in the shape of hinges or pivots, operated by springs 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
    • E05Y2900/20—Application of doors, windows, wings or fittings thereof for furniture, e.g. cabinets

Definitions

  • ABSTRACT A cover mounting combination hinge and counterbalance mechanism for hingedly mounting a cover upon a Cabinet for vertical swinging movement between horizontally disposed closed and vertically disposed open positions, which features an arrangement for mounting the mechanism without requiring adjustments of the cover counter-balancing compression sprin g.
  • The'mechanism' includes first and second brackets adapted to be fixed to the cover and thecabinet respectively, a hinge pin pivotally interconnecting the brackets, a stirrup member of U-shaped form including an apertured bottom sill portion and opposing leg portions pivotally connected at their upper ends to a hanger pin carried by the first bracket, 2 compression spring bearing downwardly, at its bottom end upon the sill portion and upwardly at its upper end against a cross arm having its opposite end portions riding in slide quide means formed in the stirrup leg portions, and a tie rod fixed at its bottom end to a bottom plate and slideably extending through the sill portion and the spring and fixed at its upper end to the cross arm whereby to hold the ladder in a constant distance relationship with the bottom plate.
  • the bottom plate is constrained from movement by engagement with a bottom end portion of the second-bracket, whereby the spring exerts forces acting through the stirrup member counter-balancing the torque effects of gravity on the cover substantially throughout the range of its positional movement.
  • a resilient, friction-material sleeve is disclosed as being arranged intermediate the bottom end of the spring and a conically bored cup carried by the bottom sill for use in dampening hinging movements of the cover.
  • the present invention is directed towards improvements in the cover mounting combination hinge and counterbalance mechanism disclosed in US Pat No. 3,l87,374. Specifically, the present invention is intended to permit a mechanism of the type disclosed in the above mentioned patent to be quickly installed without the need for adjustments of the compression spring.
  • a retainer is inserted between the sill portion and the bottom plate in order to initially precompress the compression spring; the construction being such that, when the hinge brackets are attached and the cover moved into a partially open position, the stirrup member is free to swing about the hanger pin to position the bottom plate for engagement with the bottom end portion of the second bracket.
  • the spring is further compressed and the sill portion moved upwardly away from the bottom plate in order to free the retainer from manual removal.
  • the spring serves to resiliently retain the bottom plate in engagement with the second bracket throughout the range of cover movements.
  • FIG. 1 is a side elevational view showing the hinge brackets connected to the cover and cabinet, but with the counterbalance mechanism inoperative;
  • FIG. 2 is a rear elevational view of the mechanism illustrated in FIG. 1;
  • FIGS. 3 and 4 are sectionalized elevational views illustrating the procedure for placing the counterbalancing mechanism in operation.
  • FIG. 1 wherein the combination hings and counter balancing mechanism of the present invention is generally designated as 10 and shown as being employed for hingedly mounting a cover or lid 12 upon an open top cabinet having a rear wall or frame member 14, whereby cover 12 may be easily swung between the horizontally disposed closed and vertically disposed open positions. While in the illustrated construction mechanism 10 is fixed to the rearwardly facing surface, of frame member 14 and hidden from view by removable sheet member cover 16, it will be understood that the present invention is not limited thereto. One or more mechanisms may be employed to provide proper hinging support for a cabinet cover, depending upon its weight and/or dimensional characteristics.
  • mechanism 10 is structurally similar to the mechanism disclosed by the commonly assigned US. Pat. No. 3,187,374 in that it generally comprises first and second brackets 20 and 22 adapted to be suitably fixed, as by machine screws to cover 12 and frame 14, respectively; a hinge pin 24 for pivotally interconnecting brackets 20 and 22; a stirrup member 26, which is of U-shaped form including a bottom sill portion 28 formed with an aperture 30 and a pair of opposing leg portions 32, 32 formed with lengthwise extending guide slots 34, 34; a hanger pin 36 for pivotally connecting upper ends of leg portions 32 to first bracket 20 for swinging movement about an axis disposed parallel to the axis of hinge pin 24; a coil type compression spring 38; a cross arm or upper member 40 having wear resistant buttons 42 carried on its opposite ends to ride in guide slots 34, 34; a tie rod 44 fixed at its bottom end to a bottom plate 48 and slideably extending vertically through sill portion aperture 30 and spring 38 and fixed at its upper end to cross
  • a motion snubbing mechanism is arranged between the bottom end of spring 38 and sill portion 28 and comprises, as best shown in FIG. 4, a cup shaped member 52 having a conically shaped bore opening 54; and a resiliently deformably frictionmaterial sleeve 56 having its rounded bottom end portion resting in bore 54.
  • mechanism functions in a manner identical with the mechanism described in above mentioned U.S. Pat. No. 3,187,374. That is, the internal wall surfaces of sleeve 56 bear in frictional engagement with tie rod 44, whereby to snub movements of stirrup member 26 relative to the tie rod in order to dampen hinging movements 'of cover 12;the friction bearing pressure between sleeve 56 and tie rod 44 varying according to trust pressure variations of spring 38 against sleeve 56 as a function of spring compression variations incident to cover positional changes.
  • spring 38 which may be adjusted by rotations of the lower threaded end portion of tie'rod 44 within bottom plate 48, exerts forces acting through stirrup 26 serving to counter balance the torque effects of gravity on cover 12 throughout substantially the whole of the range of its positional movement.
  • Retainer 60 is shown in the drawings asbeing of generally U-shaped construction having a base 62 and a pair of legs 64, 64; base 62 having a pull tab 66 fixed to extend therefrom in a direction opposite to legs 64, 64.
  • the upper and lower edge surfaces of legs 64, 64 are disposed for engagement with sill portion 28 and bottom plate 48, respectively, such that bottom plate 48 is maintained at a given distance from hanger pin 36 against the bias of spring 38; such distance being in excess of the minimum distance between the hanger pin and the bottom end portion 58 in at least one position of the cover other than closed position, such as the position indicated in full line in FIG. 3.
  • Second bracket 22 differs from the corresponding bracket disclosed in the above mentioned U.S. Pat. No. 3,187,374 in that it includes a front or mounting flange portion 80 and a pair of side flange portions 82, 82, which are unconnected rearwardly of front flange portion 80 so as to permit free swinging movement of stirrup member 26 therebetween, as indicated in FIG. 3.
  • the downwardly and forwardly facing edge surfaces 84, 84 of side flange portions 82, 82 cooperate'to define bottom end portion 58; such edge surfaces being preferably formed with aligned notch openings 86, 86 shaped to receive a pair of anchoring projections 88, 88 formed on base plate 48.
  • any suitable means may be employed to limit opening movements of cover 12 so as to define its open position, such as for example first bracket carried stop flanges 90, 90, which are engageable with rear edge surface of side flange portions 82, 82.
  • Mechanism 10 which is preferably supplied to a user with a factory applied retainer 60, may be installed in the manner best shown in FIGS. 1, 3 and 4.
  • First bracket 20 is first fixed to cover 12 and the cover then rested on top of the cabinet for the purpose of supporting the cover and properly positioning second bracket 22 relative to the cabinet.
  • a stirrup member 26 is free to swing relative to its counter-balance assembly disconnected position indicated in full and phantom line at 26 in FIGS. 1 and 3, respectively.
  • the first bracket and cover are freely swung upwardly, such as into the position shown in full line in FIG. 3, wherein hanger pin 36 is lowered at least to a point at which the given distance between the hanger pin and bottom plate 48 is in excess of the distance between the hanger pin and bottom end portion 58.
  • the stirrup member is initially raised into the position designated as 26" in FIGS.
  • the hanger pin may be connected by an intermediate motion transmitting linkage to the first hinge part, rather than being carried directly thereon.
  • a cover mounting combination hinge and counterbalance mechanism for hingedly mounting a cover upon an open top cabinet for vertical swinging movement between horizontally disposed closed and vertically disposed open positions, said mechanism including first and second bracket means adapted to be atrod fixed at its bottom end to ,a bottom plate and slideably extending through said bottom portiontand said spring means and fixed at its upper end to said upper member whereby to hold the latter in a constant distance relation with said bottom plate, said bottom plate being constrained from movement by engagement with a bottom end portion of said second bracket means, whereby said spring means exerts forces acting through said member counter balancing the torque effects of gravity on said cover throughout substantially the whole of the range of its positional movements, the improvement which comprises in combination:
  • said second bracket means includes a front flange means for attaching said second bracket means to the rear surface of a back wall portion of said cabinet and a pair of side flange means extending rearwardly of said front flange means, said side flange means being unconnected adjacent reawardly facing edge portions thereof whereby to permit said member to be swung as aforesaid, said side flange means supporting opposite ends of said hinge pin adjacent upper ends thereof, said bottom end portion being defined by downwardly and forwardly facing lower edged surfaces of said side flange means' 3.
  • said lower edge surfaces are formed wih aligned notch openings, and said bottom plate is formed with projections dimensioned to be received within said notch openings.
  • said bottom plate is formed with a tab upstanding from adjacent a rearwardly disposed edge thereof; and said retainer means is of U-shaped configuration having a base and a pair of legs, said legs legs having upper edges engageable with said bottom portion and having lower edges engageable with said bottom plate, said base having a pull tab fixed to extend therefrom in a direction opposite to said legs, and said legs when said retainer means is inserted as aforesaid rearwardly abutting against said bottom plate tab to prevent removal of said legs from between said bottom portion and said bottom plate by pull forces exerted on said pull tab until said bottom portion moves away from said bottom plate as aforesaid.

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  • Closures For Containers (AREA)
  • Hinges (AREA)
US00200029A 1971-11-18 1971-11-18 Improved cover mounting hinge and counter balance mechanism and method of mounting same Expired - Lifetime US3771194A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US20002971A 1971-11-18 1971-11-18

Publications (1)

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US3771194A true US3771194A (en) 1973-11-13

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Application Number Title Priority Date Filing Date
US00200029A Expired - Lifetime US3771194A (en) 1971-11-18 1971-11-18 Improved cover mounting hinge and counter balance mechanism and method of mounting same

Country Status (4)

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US (1) US3771194A (xx)
JP (1) JPS533690B2 (xx)
GB (1) GB1385101A (xx)
NL (1) NL7206580A (xx)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4295245A (en) * 1978-07-31 1981-10-20 Malcom George E Combination hinge and overcenter closure for a door
US4312097A (en) * 1980-02-26 1982-01-26 Weber-Knapp Company Counterbalance support
US4351086A (en) * 1979-10-03 1982-09-28 Obe-Werk Ohnmacht & Baumgartner Gmbh & Co. K.G. Biased eyeglass hinge
US20100181996A1 (en) * 2007-03-30 2010-07-22 Walter Englert Movement range for a mobile object and evaluation apparatus for determining a position of a mobile object
US20150275887A1 (en) * 2012-11-14 2015-10-01 Namiki Precision Singapore Pte. Ltd. Tubing pump
US20180298661A1 (en) * 2015-04-30 2018-10-18 Arturo Salice S.P.A. Hinge for furniture leaves that swing about at least one horizontal axis
US10221603B2 (en) * 2017-04-13 2019-03-05 Weber Knapp Company Counterbalance and method of making the same

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2267536B (en) * 1992-06-02 1995-11-15 Orrell Ltd A merchandising unit

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2224444A (en) * 1938-09-26 1940-12-10 Martha W Murrin Hinge
US3187374A (en) * 1963-12-17 1965-06-08 Weber Knapp Co Hinge mechanism

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2224444A (en) * 1938-09-26 1940-12-10 Martha W Murrin Hinge
US3187374A (en) * 1963-12-17 1965-06-08 Weber Knapp Co Hinge mechanism

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4295245A (en) * 1978-07-31 1981-10-20 Malcom George E Combination hinge and overcenter closure for a door
US4351086A (en) * 1979-10-03 1982-09-28 Obe-Werk Ohnmacht & Baumgartner Gmbh & Co. K.G. Biased eyeglass hinge
US4312097A (en) * 1980-02-26 1982-01-26 Weber-Knapp Company Counterbalance support
US20100181996A1 (en) * 2007-03-30 2010-07-22 Walter Englert Movement range for a mobile object and evaluation apparatus for determining a position of a mobile object
US20150275887A1 (en) * 2012-11-14 2015-10-01 Namiki Precision Singapore Pte. Ltd. Tubing pump
US10012225B2 (en) * 2012-11-14 2018-07-03 Adamant Namiki Preccision Jewel Co., Ltd. Tubing pump
US20180298661A1 (en) * 2015-04-30 2018-10-18 Arturo Salice S.P.A. Hinge for furniture leaves that swing about at least one horizontal axis
US10221603B2 (en) * 2017-04-13 2019-03-05 Weber Knapp Company Counterbalance and method of making the same
US20190169903A1 (en) * 2017-04-13 2019-06-06 Weber Knapp Company Counterbalance and method of making the same
US10753135B2 (en) * 2017-04-13 2020-08-25 Webber Knapp Company Counterbalance and method of making the same
US20210396058A1 (en) * 2017-04-13 2021-12-23 Weber Knapp Company Counterbalance and method of making the same
US11702877B2 (en) * 2017-04-13 2023-07-18 Weber Knapp Company Counterbalance and method of making the same

Also Published As

Publication number Publication date
JPS4858976A (xx) 1973-08-18
GB1385101A (en) 1975-02-26
NL7206580A (xx) 1973-05-22
JPS533690B2 (xx) 1978-02-09

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