US3452388A - Counterbalancing lid and hinge support - Google Patents
Counterbalancing lid and hinge support Download PDFInfo
- Publication number
- US3452388A US3452388A US707588A US3452388DA US3452388A US 3452388 A US3452388 A US 3452388A US 707588 A US707588 A US 707588A US 3452388D A US3452388D A US 3452388DA US 3452388 A US3452388 A US 3452388A
- Authority
- US
- United States
- Prior art keywords
- lid
- bolt
- housing
- counterbalancing
- bushing
- 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
Links
- 230000006835 compression Effects 0.000 description 14
- 238000007906 compression Methods 0.000 description 14
- 210000005069 ears Anatomy 0.000 description 10
- 230000005484 gravity Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 229920004943 Delrin® Polymers 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Images
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
- E05Y2800/00—Details, accessories and auxiliary operations not otherwise provided for
- E05Y2800/26—Form or shape
-
- 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
- a counterbalancing lid and hinge support utilized on a cabinet having a relatively heavy hinged lid, such as a dishwasher, with friction braking means to retard movement of the lid due to gravity.
- the lid and hinge support includes a housing or casing secured to the cabinet and a lid wing pivoted to the housing and secured to the lid of the cabinet.
- An elongated bolt is connected to the lid Wing through a pivotal bolt bracket and extends downward into the housing and through a rigid plate therein to terminate in a threaded lower end.
- a compression spring encompasses the bolt between a washer retained at the threaded lower end of the rod a friction bushing mounted adjacent and below the rigid plate.
- the bushing has a conical projection extending into and conformably received in a tapered passage in a retainer abutting the plate, so that increased spring pressure causes the bushing to be compressed and provide greater frictional or snubbing Contact with the bolt and thus impede movement thereof.
- the present invention relates to a counterbalancing lid and hinge support for a cabinet having a hinged lid, and more particularly to a counterbalancing lid and hinge support having a variable frictional impedance upon movement of the lid by the force of gravity.
- the lid and hinge support provides a simple and compact structure having a lid support wing pivotally mounted on a housing secured to the exterior rear surface of the cabinet or enclosure so that the lid may be pivoted between a fully closed horizontal position and a fully open vertical position providing free access to the contents of the enclosure.
- Another object of the present invention is the provision of a counterbalancing lid and hinge support for the lid of a cabinet or enclosure having a lid support wing pivoted on a housing with a compression spring in said housing and connected between the housing and the lid wing.
- An elongated bolt is mounted on a bolt bracket in the lid support and extends downward through the housing to adjacent the bottom thereof.
- the compression spring encompasses the bolt with one end of the spring abutting a washer adjacent a stationary plate adjacent the upper end of the housing and the opposite end of the spring abutting a washer retained on the bolt by a nut on the threaded end of the bolt and bearing against the washer.
- the force exerted by the spring can be adjusted for lids of different weight by adjustment of the nut on the bolt.
- a further object of the present invention is the provision of a counterbalancing lid and hinge support having a Variable force frictional motion impeding means for the elongated bolt depending on the position of the lid and the resultant force exerted by the compression spring,
- the frictional motion impeding means includes a retainer member positioned below the stationary plate in the housing and having a central conical opening through which the elongated bolt extends.
- a generally conical expanding and compressible bushing having a radial flange at one end is positioned below the retainer member with the bushing received within the conical opening in the retainer.
- the bushing has a central passage receiving the elongted bolt in frictional engagement therewith.
- FIGURE 1 is a fragmentary perspective View of a cabinet and lid showing the rear wall thereof with the counterbalancing lid and hinge supports of the present invention mounted thereon.
- FIG. 2 is an enlarged fragmentary vertical cross sectional view taken on the line 2-2 of FIG. 1, with a portion of the support housing broken away.
- FIG. 3 is a partial front elevational view of the counterbalancing lid and hinge support.
- FIG. 4 is a partial rear elevational view of the counterbalancing lid and hinge support.
- FIG. 5 is a vertical cross sectional view of the upper end of the counterbalancing lid and hinge support taken on the line 5 5 of FIG. 4 showing the lid in partially open position.
- FIG. 6 is a vertical cross sectional view similar to FIG. 5, but with the lid in fully open position.
- FIG. 7 is an enlarged fragmentary exploded perspective View of the pivotal components of the counterbalancing lid and hinge support.
- FIG. 8 is an enlarged exploded perspective view ofthe expansible and compressible bushing assembly.
- FIG. 1 discloses a cabinet or enclosure 10 having a top opening lid 11, such as would be utilized for a dishwasher or similar appliance.
- the enclosure 10 would be the tub and be provided at its upper edge with a sealing gasket 12.
- the lid 11 has a lid top wall 13 and a spaced interior liner 14 forming an insulating space 15 therebetween.
- Mounted on the rear wall 16 of the enclosure or tub 10 is a pair of mounting brackets 17; one at each edge thereof adjacent the upper edge of the tub.
- a reinforcing bar 18 extends across and parallel to the rear wall 16 between the brackets 17.
- a counterbalancing lid and hinge support 21 having a generally channel-shaped housing 22 and an elongated generally at lid wing 23.
- the lid wing extends into the space 15 between the lid top 13 and the lid liner 14 and has a pair of parallel upwardly extending flanges 24 forming a channel shape for approximately three-quarters of its length; the flanges abutting the interior surface of the lid top wall 13.
- the lid wing 23 is secured to the lid liner 14 by screws 25 adjacent the pivotal mounting of the lid wing, and the free end 26 of the lid wing is downwardly offset, as at 27, and is secured thereat to the lid liner by screws 28 or other suitable means.
- a bracket 29 for a rack in the dishwasher may also be secured to the inner surface of the lid liner by the screws 28.
- the wing is downwardly offset at 32, and the flanges are enlarged to form projections 33, having upwardly extending and inwardly offset ears 34 (see FIG. 7).
- the projections 33 are each provided with a pivot opening 35 adjacent the offset 32 and a second opening 36l in each upper ear 34.
- the openings 35 are aligned to receive a pivot pin 37 for pivotally mounting the lid wing 23 on the housing 22 and to provide a pivotal axis for the lid 11.
- a support bracket 38 is aixed or spot welded within the channel portion of the lid wing 23 (FIGS, 2 and 7) and has a curled end 39 which encompasses the pivot pin 37. Also, a support strap 41 overlies the support bracket 38 and is provided with an offset end 42 beyond the support bracket 38 which is riveted to the lid Wing 23 at 43, and the opposite end 44 is curled upwardly partially around a second pin or rivet 45 received in the aligned openings 36 in the ears 34.
- the housing 22 is generally channel-shaped having side walls 46, 46 ⁇ and a connecting rear Wall 47, one side wall being secured to the mounting bracket 17 by attaching means such as screws 19.
- a tab 48 (FIG. 1) is bent to extend outwardly perpendicular to the rear wall 16 of the tub and the tab 48 is secured to the adjacent wall 46 of the housing 22 by a screw 49.
- At the upper end of each side wall 46, 46 is an upwardly extending ear 51 adjacent the rear wall 16 and sealing gasket 12; each ear having an opening 52 to be aligned with the openings 35 in the lid wing 23 and receive the pivot pin 37.
- the pivot pin 37 has an enlarged head at one end and the opposite end is upset to retain the support 21 assembled.
- the housing 22 is provided with a transverse plate S3 therein staked to the housing adjacent the upper end and the ears 51 thereof and extending horizontally across the housing with an enlarged central opening 54 therein (FIG. 6).
- a generally U-shaped bolt bracket 55 (FIG. 7) has a base portion 56 with a laterally extending raised ridge 57 there-across and a square central opening 58 extending through the ridge; a pair of upwardly extending ears 59 on the base portion 56 each have an opening 61 to be aligned with the openings 36 in the lid wing 23 to receive the second rivet or pin 45 headed at one with the opposite end upset to retain the lid wing and bolt bracket together.
- An elongated bolt 62 mounted in the housing has an enlarged domed head 63, .a short square shank portion 64 adjacent the head 63, and an elongated depending cylindrical shank 65 terminating in a lower threaded end 66 adjacent the lower end of the housing 22.
- the bolt extends downward through the openings 58 in the bolt bracket 55 and the opening 54 in the plate 53 to extend into the housing 22 and terminate adjacent the lower open end 67 of the housing (FIG. 2).
- a metal retainer 68 abutting the plate 53 and having a central annular projection 69 conformably received in the enlarged opening 54 of plate A53.
- the retainer 68 and projection 69 has a central conical bore or tapered passage 71 therethrough.
- an expansion bushing 72 (FIGS. 5, 6 and 8) having a a radial ange 73 spaced from the retainer 63 and a conical sleeve 74 extending upward from the ange and received in the corresponding conical passage or opening 71 in the retainer 68.
- the sleeve 74 has a central bore or passage 75 slidably and frictionally engaging the cylindrical shank 65 of the bolt 62.
- the bushing 72 has a diametrically extending slot 76 cutting through the ange 73 at one side of the sleeve, through the sleeve 74 and partially through the iiange on the opposite side of the sleeve, the slot aiding in the expansion or contraction of the bushing.
- the bushing 72 is formed of a suitable plastic material, such as Delrin, to provide frictional engagement with the encompassed bolt 62 lbut permit the latter to have controlled sliding movement.
- a washer 77 Below and abutting the bushing 72 is a washer 77, and encompassing the shank 65 of the bolt 62 is a compression 4 spring 78 having one end abutting the washer 77 and the opposite end abutting a second washer 79 vertically adjustable on the bolt 62 by a nut 81 therebelow threadingly engaging the threaded end 66 of the bolt.
- the washer 77 has a central depression and the washer 79 has a central embossment locating the opposite ends of the spring 78.
- the frictional force on the bolt 62, along with the force of the spring 78 counterbalances the force of gravity acting on the lid 11 tending to close the lid on the cabinet 10.
- Adjustment of the nut 81 on the threaded end 66 of the bolt 62 will adjust the initial compression exerted on the spring 78.
- the lid 11 is easily manually moved to any position between fully open and fully closed with the frictional forces exerted by the bushing 72 on the bolt 62 tending to hold the lid in any position of adjustment, Latching means may be provided for retaining the lid in closed position.
- a counterbalancing lid and hinge support for a lid pivoted to the frame of an enclosure such as a cabinet comprising a housing mounted on the frame and a lid wing secured to a lid, a pivot pin joining said housing and lid wing for pivotal movement thereabout, a generally U-shaped bolt bracket pivotally mounted on said lid wing and having a central opening therethrough, an elongated bolt extending through the opening in the bolt bracket and depending into the housing, said housing being of channel shape having side walls and a rear wall with said side walls each terminating in an upwardly extending ear supporting said pivot pin, a plate extending across and secured in said housing adjacent the upper end thereof and having a central opening therethrough, said bolt depending through the opening in said plate and terminating adjacent the lower end of the housing in a threaded end, a compression spring encompassing said bolt between said plate and said threaded end, an upper and a lower retaining washer positioned at the ends of said spring, a nut threadedly engaging the threaded end of said bolt and abut
- lid wing is a generally flat channel-shaped member having a pair of aligned openings receiving said pivot pin, and a pair of upwardly and rearwardly extending ears having aligned openings to receive a second pin, said bolt bracket having ears, each bracket ear having an opening adapted to be aligned with the openings in the ears of the lid wing to receive said second pm.
Landscapes
- Hinges (AREA)
- Pivots And Pivotal Connections (AREA)
Description
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US70758868A | 1968-02-23 | 1968-02-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
US3452388A true US3452388A (en) | 1969-07-01 |
Family
ID=24842300
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US707588A Expired - Lifetime US3452388A (en) | 1968-02-23 | 1968-02-23 | Counterbalancing lid and hinge support |
Country Status (3)
Country | Link |
---|---|
US (1) | US3452388A (en) |
DE (1) | DE1900207A1 (en) |
GB (1) | GB1214559A (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3745608A (en) * | 1971-11-17 | 1973-07-17 | Weber Knapp Co | Counter balance support |
US3906587A (en) * | 1973-12-07 | 1975-09-23 | Weber Knapp Co | Lid mounting hinge and counterbalance mechanism |
US4658473A (en) * | 1985-12-23 | 1987-04-21 | Truth Incorporated | Concealed freezer hinge |
US4985939A (en) * | 1989-07-31 | 1991-01-22 | Bemis Manufacturing Company | Toilet seat hinge assembly |
US20040117948A1 (en) * | 2002-09-27 | 2004-06-24 | Toshimitsu Ohara | Hinge and image input/output apparatus therewith |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2267536B (en) * | 1992-06-02 | 1995-11-15 | Orrell Ltd | A merchandising unit |
GB2406643B8 (en) * | 2001-09-14 | 2005-11-16 | Furuno Electric Co | Analyzing apparatus |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2815528A (en) * | 1955-07-21 | 1957-12-10 | Shwayder Brothers | Hinge and check |
US3183550A (en) * | 1963-10-21 | 1965-05-18 | Weber Knapp Co | Counterbalance hinge |
CA784406A (en) * | 1968-05-07 | W. Turner Oswald | Hinge |
-
1968
- 1968-02-23 US US707588A patent/US3452388A/en not_active Expired - Lifetime
- 1968-12-02 GB GB57156/68A patent/GB1214559A/en not_active Expired
-
1969
- 1969-01-03 DE DE19691900207 patent/DE1900207A1/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA784406A (en) * | 1968-05-07 | W. Turner Oswald | Hinge | |
US2815528A (en) * | 1955-07-21 | 1957-12-10 | Shwayder Brothers | Hinge and check |
US3183550A (en) * | 1963-10-21 | 1965-05-18 | Weber Knapp Co | Counterbalance hinge |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3745608A (en) * | 1971-11-17 | 1973-07-17 | Weber Knapp Co | Counter balance support |
US3906587A (en) * | 1973-12-07 | 1975-09-23 | Weber Knapp Co | Lid mounting hinge and counterbalance mechanism |
US4658473A (en) * | 1985-12-23 | 1987-04-21 | Truth Incorporated | Concealed freezer hinge |
US4985939A (en) * | 1989-07-31 | 1991-01-22 | Bemis Manufacturing Company | Toilet seat hinge assembly |
US20040117948A1 (en) * | 2002-09-27 | 2004-06-24 | Toshimitsu Ohara | Hinge and image input/output apparatus therewith |
US7069622B2 (en) * | 2002-09-27 | 2006-07-04 | Seiko Epson Corporation | Hinge and image input/output apparatus therewith |
US20060179611A1 (en) * | 2002-09-27 | 2006-08-17 | Seiko Epson Corporation | Hinge and image input/output apparatus therewith |
Also Published As
Publication number | Publication date |
---|---|
DE1900207A1 (en) | 1969-09-11 |
GB1214559A (en) | 1970-12-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: KEYCON INDUSTRIES, INC. 4835 LBJ FREEWAY, DALLAS, Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:KEYSTONE CONSOLIDATED INDUSTRIES, INC., A CORP OF DE.;REEL/FRAME:004473/0742 Effective date: 19851009 |
|
AS | Assignment |
Owner name: LLC CORPORATION, 4835 LBJ FREEWAY, DALLAS, TEXAS, Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:KEYCON INDUSTRIES, INC., A CORP OF NEV.;REEL/FRAME:004533/0100 Effective date: 19860220 |
|
AS | Assignment |
Owner name: ANCHOR HOCKING CORP., 109 NORTH BROAD STREET, LANC Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:LLC CORPORATION;REEL/FRAME:004595/0812 Effective date: 19860509 |
|
AS | Assignment |
Owner name: AMEROCK CORPORATION,ILLINOIS Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:ANCHOR HOCKING CORP.;REEL/FRAME:004582/0533 Effective date: 19860721 Owner name: AMEROCK CORPORATION, 4000 AUBURN STREET, ROCKFORD, Free format text: ASSIGNMENT OF ASSIGNORS INTEREST.;ASSIGNOR:ANCHOR HOCKING CORP.;REEL/FRAME:004582/0533 Effective date: 19860721 |