US3825973A - Adjustable door hinge containing coil spring - Google Patents

Adjustable door hinge containing coil spring Download PDF

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Publication number
US3825973A
US3825973A US00324819A US32481973A US3825973A US 3825973 A US3825973 A US 3825973A US 00324819 A US00324819 A US 00324819A US 32481973 A US32481973 A US 32481973A US 3825973 A US3825973 A US 3825973A
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Prior art keywords
plug
passage
adjustment member
teeth
spring
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US00324819A
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J Gwozdz
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MC KENNEY Mfg CO
McKinney Products Co
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MC KENNEY Mfg CO
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Priority to US00324819A priority Critical patent/US3825973A/en
Priority to CA190,167A priority patent/CA999408A/en
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Publication of US3825973A publication Critical patent/US3825973A/en
Assigned to MCKINNEY PRODUCTS COMPANY reassignment MCKINNEY PRODUCTS COMPANY ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: KIDDE CONSUMER DURABLES CORP. A CORP. OF DE.
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    • 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
    • E05F1/1207—Mechanisms in the shape of hinges or pivots, operated by springs with a coil spring parallel with the pivot axis
    • E05F1/1215—Mechanisms in the shape of hinges or pivots, operated by springs with a coil spring parallel with the pivot axis with a canted-coil torsion spring
    • 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
    • E05Y2900/10—Application of doors, windows, wings or fittings thereof for buildings or parts thereof
    • E05Y2900/13—Type of wing
    • E05Y2900/132—Doors

Definitions

  • a tubular pivot pin inside the barrel of a pair of hinge leaves contains a coil spring.
  • plugs Mounted in the opposite ends of the barrel are plugs, one of which is provided with an axial passage through it having an adjustment member therein provided with an outer portion rotatably mounted in the passage and an inner portion projecting from the inner end of the plug.
  • the ends of the spring are connected to the plugs.
  • Releasable interengaging means normally prevent rotation of the adjustment member in the plug passage, but the outer end of i that member has means for receiving a tool for turning it in the passage to adjust the tension on the spring when the interengaging means are disengaged.
  • FIG. 1 is a side view of the hinge while open, with top v and bottom portions broken away in section;
  • FIG. 2 is an enlarged fragmentary vertical section
  • FIGS. 3 and 4 are cross sections taken on the lines III- -III and IV--IV, respectively, of FIG. 2;
  • FIG. 5 is a view, similar to FIG. 2, of am'odification
  • FIG. 6 is a cross section-taken on the line VIVI of FIG. 5;
  • FIG. 7 is a fragmentary vertical section of a further embodiment of the invention.
  • FIG. 8 is a cross section taken on the line VIII-VIII of FIG. 7.
  • a pair of hinge leaves 1 that are disposed side by side are provided with conventional hollow knuckles 2 that are staggered so thatthey can be disposed in axial alignment with one another to form a cylindrical barrel.
  • the barrel may project above and below the hinge leaves a short distance, but it does not'have to do so.
  • Engaging the lower end of the barrel or of that member then can be turned to rotate the adjustthat fits inside the pivot pin and extends upwardly to a point near the upper end of the pin;
  • this upper plug is provided with an axial passage-ll through it that has an enlarged lower endportion, into which the inner end of the set screw normally projects.
  • an adjustment member 12 Disposed in this passage is an adjustment member 12 that has an outer or upper portion rotatably mounted in the passage, and a lower portion projecting from the inner or lower end of the plug.
  • the diameter of the portion of the adjustment member in the enlarged lower end of the plug passage is greater than the diameter of the upper end of that passage so that upward movement of the adjustment member in the plug. is limited by their superimposed radial shoulders.
  • the lower portion of the adjustment member below the plug is provided in its side with a notch 13 that receives the hooked upper end of the coil spring.
  • the coil spring is compressed lengthwise or vertically slightly so that it continually presses the. adjustment member upwardly in the upper plug to its uppermost position, in which its upper end is flush with the top of the plug.
  • Releasable interengaging means normally prevent rotation of the adjustment member in the encircling plug. As shown in FIGS-2 and 3, these means include circumferentially spaced depressions 15 in the portion of the adjustment member inside the lower end of the upper plug, and the set screw 10 that normally projects into one of these depressions.
  • the setscrew 10 is backed off until its inner end is free of the depressions 15 in the adjustment member. Ascrewdriver inserted in the slot or kerf 16 in the upper end the spring can be changed.
  • the wall of the enlarged lower portion of the axial passage through the upper plug 20 is provided with inwardly projecting circumferentially spaced teeth 21' that receive between them similar teeth 22 projecting from an adjustment member 23 rotatably mounted in theplug.
  • the plug is anchored in the upper knuckle 24 by a set screw 25 or hollow rivet extending into the side of it from the knuckle.
  • a screwdriver is inserted in'a slot 27 in the upper end of the adjustment member and pushed down against the resistance of the spring to disengage the teeth of the adjustment member from the surrounding teeth 21 of the plug.
  • the adjustment member then can be turned in either direction in the plug to obtain the desired spring tension and then it is allowed to move back up in the plug so that the two sets of teeth will fit together again and prevent relative rotation between the adjustment member and the plug. Only a screwdriver is required for making the adjustment. In fact, the adjustment could be made in the same way in FIG. 1 by not disturbing the set screw but, instead, pressing down on the ad justment member to freeit from the screw and then turning the adjustment member before allowing it to move back up in the plug.
  • the two elements are provided with interengaging teeth, but in this case the teeth are shaped like ratchet teeth with sloping sides and also sides in radial planes of the plug, so that when the adjustment member is turned counterclockwise as viewed in FIG. 8 by member back up in the plug. Turning of the adjustment member in the opposite direction in this hinge isprelieve the tension. on the spring, if that isdesired, itis necessary to press down on the adjustment member in order to disengage the twosets of teeth so thatvthe inner set can be rotated within the outer set.
  • Aspring hinge comprising a pair of hinge leaves disposed side by side and provided with hollow knuckles disposed in axial alignment with one another to form a cylindrical barrel having a knuckle of one hinge leaf at one end and a knuckle of the other hinge leaf at the opposite end, a tubular pivot pin inside the barrel in engagement therewith for holding the knuckles in of said plug, the plug and adjustmentmember having normally abutting surfaces limiting outward movement of said member in said passage, a coil spring inside said tubular pin with one end connected to said inner portion of the adjustment member and withits opposite the adjoining plug, and releasable interengaging means normally preventing rotation of said adjustment member in said plug passage, the outer end of said member A being provided with means forreceiving a tool for turning'it in said passage to adjust the tension on said spring i when said interengaging means are disengaged.
  • a spring hinge according to claim 1 in which said abutting surfaces are a shoulder in said plug passage and a cooperating shoulder'on said adjustment member within the passage.
  • said interengaging means include a set-screw threaded in I 7 said one plug, and circumferentially spaced depressions in said adjustment member for selectively receiving the inner end of the screw.
  • said interengaging means include a set of inwardly projecting circumferentially spaced teeth around the wall of said passage at its inner end, and a set of teeth projecting from said adjustment member into engagement withthe plug teeth, said sets of teeth being disengageable by pressing said member inwardly to permit it to be turned.
  • a spring hinge according to claim 1 the inner end portion of said plug passage having a side wall diverging inwardly and provided with ratchet teeth, and said adjustment'member having a tapered portion in said passage provided with ratchet teeth engaging with the plug teeth, said teeth forming said interengaging means, the

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  • Closing And Opening Devices For Wings, And Checks For Wings (AREA)

Abstract

A tubular pivot pin inside the barrel of a pair of hinge leaves contains a coil spring. Mounted in the opposite ends of the barrel are plugs, one of which is provided with an axial passage through it having an adjustment member therein provided with an outer portion rotatably mounted in the passage and an inner portion projecting from the inner end of the plug. The ends of the spring are connected to the plugs. Releasable interengaging means normally prevent rotation of the adjustment member in the plug passage, but the outer end of that member has means for receiving a tool for turning it in the passage to adjust the tension on the spring when the interengaging means are disengaged.

Description

United States Patent 1 91 Gwozdz ADJUSTABLE DOOR HINGE CONTAINING COIL SPRING [75] Inventor: Joseph W. Gwozdz, Clark Summit,
[73] Assignee: McKenney Manufacturing Company, Scranton, Pa.
[22] Filed: Jan. 18,1973
[21] Appl. No.: 324,819
52 us. c1. l6/l 89, 16/52 [51] Int. Cl EOSf H12 [58] Field of Search 16/189, 188,132, 134, l6/l29, 52
[56] References Cited UNITED STATES PATENTS 3,3l6,582 5/l967 Johnston l6/52 R6,l 12 11/1874 Joycc.....' 1 6/189 [11] 3,825,973 451 July 30, 1974 Primary Examiner-Bobby R. Gay
Assistant Examiner-Doris L. Troutman Attorney, Agent, or FirmBrown, Murray, Flick &
I Peckham 57 ABSTRACT A tubular pivot pin inside the barrel of a pair of hinge leaves contains a coil spring. Mounted in the opposite ends of the barrel are plugs, one of which is provided with an axial passage through it having an adjustment member therein provided with an outer portion rotatably mounted in the passage and an inner portion projecting from the inner end of the plug. The ends of the spring are connected to the plugs. Releasable interengaging means normally prevent rotation of the adjustment member in the plug passage, but the outer end of i that member has means for receiving a tool for turning it in the passage to adjust the tension on the spring when the interengaging means are disengaged.
6 Claims, 8 Drawing Figures il' ll ll ll Hill 1 ill] wild PAliminJuLaolan 3825.973
sum 10? 2 ADJUSTABLE DOOR HINGE CONTAINING COIL SPRING Door hinges that contain coil springs for closing the doors are well known. Hinges also are known in which the tension on the springs can be adjusted to suit conditions. However, heretofore the adjusting means have detracted from the appearance of the hinges and often require special tools for making the adjustments.
It is among the objects of this invention to provide a spring hinge which is pleasing in appearance and which can easily be adjusted, in some cases with only a screwdriver. i
The invention is illustrated in the accompanying drawings, in which FIG. 1 is a side view of the hinge while open, with top v and bottom portions broken away in section;
FIG. 2 is an enlarged fragmentary vertical section; FIGS. 3 and 4 are cross sections taken on the lines III- -III and IV--IV, respectively, of FIG. 2;
FIG. 5 is a view, similar to FIG. 2, of am'odification;
' FIG. 6 is a cross section-taken on the line VIVI of FIG. 5;
FIG. 7 is a fragmentary vertical section of a further embodiment of the invention; and
FIG. 8 is a cross section taken on the line VIII-VIII of FIG. 7.
- Referring to FIG. 1 of the drawings, a pair of hinge leaves 1 that are disposed side by side are provided with conventional hollow knuckles 2 that are staggered so thatthey can be disposed in axial alignment with one another to form a cylindrical barrel. The barrel may project above and below the hinge leaves a short distance, but it does not'have to do so. Engaging the inside of the barrel there is a tubular pivot pin 3 that holds the knuckles in alignment and forms a pivot pin on which they can turn. Engaging the lower end of the barrel or of that member then can be turned to rotate the adjustthat fits inside the pivot pin and extends upwardly to a point near the upper end of the pin;
Mounted in the upper end of the barrel or upper knuckle is another plug 9 that rests on top of the knuckle; This plugis held in place by a set screw 10 extending through one side of the knuckle and into the plug above the pivot pin. As shown in FIGS. 2, 3 and 4, this upper plug is provided with an axial passage-ll through it that has an enlarged lower endportion, into which the inner end of the set screw normally projects. Disposed in this passage is an adjustment member 12 that has an outer or upper portion rotatably mounted in the passage, and a lower portion projecting from the inner or lower end of the plug. The diameter of the portion of the adjustment member in the enlarged lower end of the plug passage is greater than the diameter of the upper end of that passage so that upward movement of the adjustment member in the plug. is limited by their superimposed radial shoulders. The lower portion of the adjustment member below the plug is provided in its side with a notch 13 that receives the hooked upper end of the coil spring. The coil spring is compressed lengthwise or vertically slightly so that it continually presses the. adjustment member upwardly in the upper plug to its uppermost position, in which its upper end is flush with the top of the plug.
Releasable interengaging means normally prevent rotation of the adjustment member in the encircling plug. As shown in FIGS-2 and 3, these means include circumferentially spaced depressions 15 in the portion of the adjustment member inside the lower end of the upper plug, and the set screw 10 that normally projects into one of these depressions.
To adjust the tension on the coil spring in order to have it close a door more slowly or more rapidly, the setscrew 10 is backed off until its inner end is free of the depressions 15 in the adjustment member. Ascrewdriver inserted in the slot or kerf 16 in the upper end the spring can be changed.
In the modification shown in FIGS.- 5 and 6, the wall of the enlarged lower portion of the axial passage through the upper plug 20 is provided with inwardly projecting circumferentially spaced teeth 21' that receive between them similar teeth 22 projecting from an adjustment member 23 rotatably mounted in theplug.
These interengaging teeth normally prevent the adjustment member from turning in the plug. The plug is anchored in the upper knuckle 24 by a set screw 25 or hollow rivet extending into the side of it from the knuckle. To adjust the tension on the coil spring 26, a screwdriver is inserted in'a slot 27 in the upper end of the adjustment member and pushed down against the resistance of the spring to disengage the teeth of the adjustment member from the surrounding teeth 21 of the plug. The adjustment member then can be turned in either direction in the plug to obtain the desired spring tension and then it is allowed to move back up in the plug so that the two sets of teeth will fit together again and prevent relative rotation between the adjustment member and the plug. Only a screwdriver is required for making the adjustment. In fact, the adjustment could be made in the same way in FIG. 1 by not disturbing the set screw but, instead, pressing down on the ad justment member to freeit from the screw and then turning the adjustment member before allowing it to move back up in the plug. I
In the further embodiment of the invention shown in FIGS. 7 and 8, there is not even any necessity for press- Here again the two elements are provided with interengaging teeth, but in this case the teeth are shaped like ratchet teeth with sloping sides and also sides in radial planes of the plug, so that when the adjustment member is turned counterclockwise as viewed in FIG. 8 by member back up in the plug. Turning of the adjustment member in the opposite direction in this hinge isprelieve the tension. on the spring, if that isdesired, itis necessary to press down on the adjustment member in order to disengage the twosets of teeth so thatvthe inner set can be rotated within the outer set.
According to .the provisions of the pat ent statutes, l have explained the principle of my invention and have illustrated and described what I now consider to represent its best embodiment. However, I desire to have it understood that, within the scope of the appended claims, the invention may be practiced otherwise than as specifically illustrated and described.
I claim:
1. Aspring hinge comprising a pair of hinge leaves disposed side by side and provided with hollow knuckles disposed in axial alignment with one another to form a cylindrical barrel having a knuckle of one hinge leaf at one end and a knuckle of the other hinge leaf at the opposite end, a tubular pivot pin inside the barrel in engagement therewith for holding the knuckles in of said plug, the plug and adjustmentmember having normally abutting surfaces limiting outward movement of said member in said passage, a coil spring inside said tubular pin with one end connected to said inner portion of the adjustment member and withits opposite the adjoining plug, and releasable interengaging means normally preventing rotation of said adjustment member in said plug passage, the outer end of said member A being provided with means forreceiving a tool for turning'it in said passage to adjust the tension on said spring i when said interengaging means are disengaged.
' vented by the radial faces of the teeth; Therefore, to're- 2. A spring hinge according to claim 1, in which said plugs overly the opposite ends of said barrel, and the outer end of the adjustment member normally is substantially flush with the outer end of the surrounding plug. i
3. A spring hinge according to claim 1, in which said abutting surfaces are a shoulder in said plug passage and a cooperating shoulder'on said adjustment member within the passage. 1
4. A spring hinge according to claim 1, in which said interengaging means include a set-screw threaded in I 7 said one plug, and circumferentially spaced depressions in said adjustment member for selectively receiving the inner end of the screw. Y
5. A spring hinge according to claim 1, in which said interengaging means include a set of inwardly projecting circumferentially spaced teeth around the wall of said passage at its inner end, and a set of teeth projecting from said adjustment member into engagement withthe plug teeth, said sets of teeth being disengageable by pressing said member inwardly to permit it to be turned. I
6. A spring hinge according to claim 1, the inner end portion of said plug passage having a side wall diverging inwardly and provided with ratchet teeth, and said adjustment'member having a tapered portion in said passage provided with ratchet teeth engaging with the plug teeth, said teeth forming said interengaging means, the
' adjustment member teeth sliding inwardly against'said end connected to the plug at the opposite end of the pin, the spring pressing said member outwardly against.
plug teeth and past them when said member is turned in one direction.

Claims (6)

1. A spring hinge comprising a pair of hinge leaves disposed side by side and provided with hollow knuckles disposed in axial alignment with one another to form a cylindrical barrel having a knuckle of one hinge leaf at one end and a knuckle of the other hinge leaf at the opposite end, a tubular pivot pin inside the barrel in engagement therewith for holding the knuckles in alignment, plugs rigidly mounted in the opposite ends of the barrel, one of the plugs being provided with an axial passage therethrough, an adjustment member having an outer portion rotatably mounted in said passage and an inner portion projecting from the inner end of said plug, the plug and adjustment member having normally abutting surfaces limiting outward movement of said member in said passage, a coil spring inside said tubular pin with one end connected to said inner portion of the adjustment member and with its opposite end connected to the plug at the opposite end of the pin, the spring pressing said member outwardly against the adjoining plug, and releasable interengaging means normally preventing rotation of said adjustment member in said plug passage, the outer end of said member being provided with means for receiving a tool for turning it in said passage to adjust the tension on said spring when said interengaging means are disengaged.
2. A spring hinge according to claim 1, in which said plugs overly the opposite ends of said barrel, and the outer end of the adjustment member normally is substantially flush with the outer end of the surrounding plug.
3. A spring hinge according to claim 1, in which said abutting surfaces are a shoulder in said plug passage and a cooperating shoulder on said adjustment member within the passage.
4. A spring hinge according to claim 1, in which said interengaging means include a set screw threaded in said one plug, and circumferentially spaced depressions in said adjustment member for selectively receiving the inner end of the screw.
5. A spring hinge according to claim 1, in which said interengaging means include a set of inwardly projecting circumferentially spaced teeth around the wall of said passage at its inner end, and a set of teeth projecting from said adjustment member into engagement with the plug teeth, said sets of teeth being disengageable by pressing said member inwardly to permit it to be turned.
6. A spring hinge according to claim 1, the inner end portion of said plug passage having a side wall diverging inwardly and provided with ratchet teeth, and said adjustment member having a tapered portion in said passage provided with ratchet teeth engaging with the plug teeth, said teeth forming said interengaging means, the adjustment member teeth sliding inwardly against said plug teeth and past them when said member is turned in one direction.
US00324819A 1973-01-18 1973-01-18 Adjustable door hinge containing coil spring Expired - Lifetime US3825973A (en)

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Cited By (47)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3898708A (en) * 1974-12-30 1975-08-12 Mckinney Mfg Co Door hinge adjustable closing spring
US3965533A (en) * 1975-05-23 1976-06-29 Bommer Spring Hinge Co. Inc. Adjustable door spring hinge with fixed minimum tension
US3978551A (en) * 1974-11-14 1976-09-07 Mitsuo Mochizuki Door closer hinge
US4043001A (en) * 1976-04-19 1977-08-23 The Stanley Works Adjustable spring hinge
US4102013A (en) * 1976-12-13 1978-07-25 Lawrence Brothers, Inc. Tamper-proof spring hinge
US4117567A (en) * 1977-10-08 1978-10-03 Nikkey Co., Ltd. Door closer
US4419788A (en) * 1981-06-09 1983-12-13 Bommer Industries, Inc. Adjustable spring hinge
DE3303797A1 (en) * 1983-02-04 1984-08-09 Dieter Dipl.-Ing. 7592 Renchen Dieckmann Resilient door hinge
US4550470A (en) * 1983-06-01 1985-11-05 Nifco Inc. Combined rotary damper device including a stored energy mechanism and braking mechanism
US4762258A (en) * 1984-10-05 1988-08-09 Murphy I Leon Universal support device for a vehicle
US4823437A (en) * 1988-03-21 1989-04-25 Tatara Stanley R Spring loaded hinge
US5048155A (en) * 1989-09-11 1991-09-17 Hyundae Precision Co., Ltd. Set screw fixing device for spring hinge
WO1993003249A1 (en) * 1991-07-29 1993-02-18 David Doyle A hinge
AU666491B2 (en) * 1991-07-29 1996-02-15 D & D Group Pty Limited A hinge
US6293409B1 (en) * 2000-01-22 2001-09-25 Bora F. Aykin Y-shaped garbage and recyclables separating disposal system
US6460220B1 (en) * 2001-03-05 2002-10-08 Bommer Industries, Inc Spring hinge
US6725503B1 (en) * 2002-10-17 2004-04-27 Wu Shiong Lin Door closer having dual operating directions
US20050034269A1 (en) * 2003-08-12 2005-02-17 Nifco Inc. Damper
US20060130276A1 (en) * 2004-12-21 2006-06-22 Clark Richard T Hinge apparatus
US7111358B1 (en) * 2005-01-11 2006-09-26 Bommer Industries, Inc. Tensioned pivot assembly
WO2008009736A1 (en) * 2006-07-19 2008-01-24 Liexco S.A. Self-closing pivot hinge
USD647779S1 (en) 2011-02-04 2011-11-01 D & D Group Pty Ltd Hinge
USD647781S1 (en) 2011-02-04 2011-11-01 D&D Group Pty Ltd Handle
USD647782S1 (en) 2011-02-04 2011-11-01 D&D Group Pty Ltd Latch
USD649007S1 (en) 2011-02-04 2011-11-22 D & D Group Pty Ltd Hinge
USD649009S1 (en) 2011-02-07 2011-11-22 D & D Group Pty Ltd Hinge
USD649008S1 (en) 2011-02-04 2011-11-22 D & D Group Pty Ltd. Hinge
US20120005861A1 (en) * 2010-07-06 2012-01-12 S-Fasteners Gmbh Hinge with tension-adjustable spiral torsion spring
USD661173S1 (en) 2011-02-04 2012-06-05 D&D Group Pty Ltd. Hinge
USD672631S1 (en) 2011-02-04 2012-12-18 D & D Group Pty Ltd. Striker for latch
USD673024S1 (en) 2011-02-04 2012-12-25 D & D Group Pty Ltd. Hinge
DE102011078754A1 (en) * 2011-07-06 2013-01-10 Tesa Se Hinge for fixing doors, windows, insect screens or flaps, has two hinge parts relatively rotated to each other around common rotation axis, where latter hinge part is designed as hinge center in which hinge pin is inserted
USD675080S1 (en) 2011-02-04 2013-01-29 D & D Group Pty Ltd Handle
US20130074287A1 (en) * 2010-03-04 2013-03-28 Elesa S.P.A. Hinge with defined halt positions
US8966713B1 (en) * 2013-12-06 2015-03-03 Barrette Outdoor Living, Inc. Adjustable self-closing fence hinge
US20170022743A1 (en) * 2015-07-24 2017-01-26 E. Erik Timothy Adjustable hinge
USD801168S1 (en) 2016-06-01 2017-10-31 Robert Vavrinak Torsion spring to aid in keeping an interior door open
US20180223574A1 (en) * 2017-01-17 2018-08-09 Bobrick Washroom Equipment, Inc. Variable hinge and method of adjusting the same
WO2018200726A1 (en) * 2017-04-25 2018-11-01 Life Door, Inc. Door closing device
US20190135407A1 (en) * 2017-08-17 2019-05-09 Airbus Operations Gmbh Cargo hold and vehicle section
US10808447B2 (en) 2017-04-25 2020-10-20 Masonite Corporation Emergency door closing device
US20200361363A1 (en) * 2019-04-30 2020-11-19 Maners Mount LLC Pivotal Tie-Down
US11047162B1 (en) 2020-03-03 2021-06-29 Leonard Tennessee Torsion spring door closing apparatus
US11174664B2 (en) 2018-03-20 2021-11-16 Masonite Corporation Door positioning system
AU2016269530B2 (en) * 2016-12-08 2022-07-21 Nationwide Industries, Inc. Adjustable hinge
US20240059416A1 (en) * 2022-08-16 2024-02-22 Safran Seats Usa Llc Passenger seat headrest with adjustable hinge
US11981247B2 (en) 2019-04-30 2024-05-14 Maners Mount LLC Pivotal tie-down

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Cited By (63)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3978551A (en) * 1974-11-14 1976-09-07 Mitsuo Mochizuki Door closer hinge
US3898708A (en) * 1974-12-30 1975-08-12 Mckinney Mfg Co Door hinge adjustable closing spring
US3965533A (en) * 1975-05-23 1976-06-29 Bommer Spring Hinge Co. Inc. Adjustable door spring hinge with fixed minimum tension
US4043001A (en) * 1976-04-19 1977-08-23 The Stanley Works Adjustable spring hinge
US4102013A (en) * 1976-12-13 1978-07-25 Lawrence Brothers, Inc. Tamper-proof spring hinge
US4141123A (en) * 1976-12-13 1979-02-27 Lawrence Brothers, Inc. Method of manufacturing a spring hinge
US4117567A (en) * 1977-10-08 1978-10-03 Nikkey Co., Ltd. Door closer
US4419788A (en) * 1981-06-09 1983-12-13 Bommer Industries, Inc. Adjustable spring hinge
DE3303797A1 (en) * 1983-02-04 1984-08-09 Dieter Dipl.-Ing. 7592 Renchen Dieckmann Resilient door hinge
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