EP0292296A1 - Lift-off hinge assembly - Google Patents

Lift-off hinge assembly Download PDF

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Publication number
EP0292296A1
EP0292296A1 EP88304566A EP88304566A EP0292296A1 EP 0292296 A1 EP0292296 A1 EP 0292296A1 EP 88304566 A EP88304566 A EP 88304566A EP 88304566 A EP88304566 A EP 88304566A EP 0292296 A1 EP0292296 A1 EP 0292296A1
Authority
EP
European Patent Office
Prior art keywords
hinge
retaining member
pin
leaf
bore
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.)
Granted
Application number
EP88304566A
Other languages
German (de)
French (fr)
Other versions
EP0292296B1 (en
Inventor
Cliff Aitken
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.)
AJC Johnson Controls Ltd
Original Assignee
AJC Johnson Controls Ltd
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 AJC Johnson Controls Ltd filed Critical AJC Johnson Controls Ltd
Publication of EP0292296A1 publication Critical patent/EP0292296A1/en
Application granted granted Critical
Publication of EP0292296B1 publication Critical patent/EP0292296B1/en
Expired legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
    • E05D7/00—Hinges or pivots of special construction
    • E05D7/10—Hinges or pivots of special construction to allow easy separation or connection of the parts at the hinge axis
    • E05D7/1044—Hinges or pivots of special construction to allow easy separation or connection of the parts at the hinge axis in an axial direction
    • E05D7/105—Hinges or pivots of special construction to allow easy separation or connection of the parts at the hinge axis in an axial direction requiring a specific angular position
    • 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
    • E05Y2900/148—Windows

Definitions

  • the present invention relates to a lift-off hinge assembly which is particularly suitable for the mounting of vehicle doors.
  • a hinge assembly including a first hinge leaf hingedly connected to a second hinge leaf by a hinge pin, the hinge pin being detachably secured in one of the hinge leafs to enable separation of the hinge leafs, the hinge pin being axially slidably received in a bore formed in said one hinge leaf, a retaining member being screw threadedly received in a threaded bore extending generally tangentially to and intersecting said bore so as to define a window in the periphery of said threaded bore, said retaining member when screwed along said threaded bore engaging the periphery of the pin projecting through said window to secure the pin relative to said one hinge leaf.
  • the hinge assembly is generally shown at 10 and includes a first hinge leaf 11 which is hingedly connected to a second hinge leaf 12 by a hinge pin 14.
  • hinge leaf 11 is attached to a vehicle door and hinge leaf 12 is attached to the vehicle body.
  • the hinge pin 14 is rotatably received in a boss portion 11 a of the hinge leaf 11 and is restrained against axial withdrawal therefrom.
  • the pin 14 is provided with a peripheral flange 15 which acts to restrain relative axial movement in one direction between the pin 14 and boss portion 11 a .
  • a bush liner 18 is preferably located between the pin 14 and boss 11 a so as to provide a lubricated close tolerance fit therebetween. In this way pin 14 is able to rotate smoothly relative to boss 11 a without play.
  • the liner 18 is preferably a plastics material reinforced with a metal mesh; Metaloplast (Registered Trade Mark) is a suitable material.
  • the lower portion 14 a of the hinge pin 14 is received in a boss 12 a of leaf 12.
  • the pin 14 has a lower terminal portion 14 b which is of chamfered configuration to facilitate entry of the pin portion 14 a into the bore 12 b formed in boss 12 a .
  • the boss 12 a is located beneath boss 11 a so that the weight carried by hinge leaf 11 urges pin 14 axially toward boss 12 ensuring that the flange 15 rests on the upper surface of the boss 12 a .
  • the pin 14 is detachably held within the boss 12 a by means of a screw threaded retaining member 30.
  • the retaining member 30 acts to prevent axial withdrawal of the pin 14 from the boss 12 a and also acts to prevent relative rotation between the boss 12 a and pin 14.
  • the retaining member 30 is received in a screw threaded bore 31 which extends generally tangentially relative to the bore 12 b such that bores 12 b and 31 intersect to provide a window or aperture located on the circumferential periphery of bore 31.
  • a screw threaded bore 31 which extends generally tangentially relative to the bore 12 b such that bores 12 b and 31 intersect to provide a window or aperture located on the circumferential periphery of bore 31.
  • the relative hardnesses of the materials used for the pin 14 and retaining member 30 are chosen such that deformation of the pin 14 and/or the retaining member 30 are/is caused as the retaining member 30 passes the window.
  • the cross-sectional shape of the retaining member 30 is provided with flats. In this way the torque required for rotating the retaining member 30 is reduced whilst maintaining a desired amount of interference between the pin 14 and retaining member 30.
  • the retaining member 30 is shown as being tri-lobal; it will be appreciated however that four or more flats may be provided. It is to be noted that herein a "flat" also covers curved surfaces having a relatively large radius of curvature.
  • the hinge 10 is preferably assembled such that the retaining member 30 is screwed along the bore 31 by a sufficient amount to only just grip the pin 14. In this way the retaining member 30 may be easily retracted along bore 31 to enable release of pin 14 and thereby enable the hinge 10 to be separated after mounting on the vehicle door and body.
  • the hinge 10 is provided with a temporary stop for limiting the maximum open position of the vehicle door.
  • a thin plate 48 is interposed between flange 16 and boss 11 a .
  • the plate 48 is gripped. by the flange 16 and thereby is rotationally locked with respect to the pin 14.
  • the plate 48 is provided with a stop portion 48 a which is arranged to abut against a projection 11 c on the hinge leaf boss 11 a and thereby provide a limit stop for limiting the amount of relative angular displacement between hinge leafs 11, 12.
  • the hinge leaf 11 is provided with an interleafing projection 11 d which is engageable with boss 12 a to prevent axial separation of the hinge leafs 11, 12.
  • the boss 12 a is shaped so as to not engage with projection 11 d when the leafs 11, 12 are opened to the position defined by stop 48 a . Accordingly separation of a door from a vehicle body is easily achieved by opening the door to the position defined by the stop 48 and then unscrewing retaining member 30 for each hinge 10 and then raising the door to axially separate the hinges.
  • the temporary stop is advantageous since it enables the vehicle to be painted without incorporating a separate conventional door check mechanism. After painting the doors are separated from the vehicle body for fitment. On remounting of the doors to the vehicle body, the temporary stop is no longer required and so the operative renders the temporary stop inoperable by bending the plate 48 to move the stop 48 a out of the path of travel of projection 11 c .
  • the plate 48 may also be used at this time to rotate pin 14 within bore 12 b so as to present a fresh undeformed surface portion of the pin in the window of bore 31.
  • the retaining member 30 is now screwed fully home along bore 31 which results in its head 30 a engaging the boss 12 a . In this position, the terminal end of the retaining member 30 has passed beyond the pin 14 thereby providing a secure connection between the pin 14 and retaining member 30. In this respect it will be appreciated that the connection between the retaining member 30 and pin 14 is maintained until the terminal end of the retaining member is retracted passed the pin 14. Thus the retaining member has to move axially a substantial distance before the connection with the pin 14 is broken.
  • the head 30 a may be arranged to interfere with hinge leaf 11 to prevent full closing of the door when the retaining member 30 has retracted by a predetermined distance prior to disconnection between the pin 14 and retaining member 30. In this way a warning is provided that the retaining member 30 is retracting from the pin 14 before the connection is actually broken.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Hinges (AREA)

Abstract

A hinge assembly (10) including a first hinge leaf (11) hingedly connected to a second hinge leaf (12) by a hinge pin (14), the hinge pin (14) being detachably secured in one of the hinge leafs to enable separation of the hinge leafs, the hinge pin (14) being axially slidably received in a bore (12b) formed in said one hinge leaf, a retaining member (30) being screw threadedly received in a threaded bore extending generally tangentially to and intersecting said bore (12b) so as to define a window in the periphery of said threaded bore (12b), said retaining member (30) when screwed along said threaded bore (12b) engaging the periphery of the pin (14) projecting through said window to secure the pin relative to said one hinge leaf.

Description

  • The present invention relates to a lift-off hinge assembly which is particularly suitable for the mounting of vehicle doors.
  • According to one aspect of the present invention there is provided a hinge assembly including a first hinge leaf hingedly connected to a second hinge leaf by a hinge pin, the hinge pin being detachably secured in one of the hinge leafs to enable separation of the hinge leafs, the hinge pin being axially slidably received in a bore formed in said one hinge leaf, a retaining member being screw threadedly received in a threaded bore extending generally tangentially to and intersecting said bore so as to define a window in the periphery of said threaded bore, said retaining member when screwed along said threaded bore engaging the periphery of the pin projecting through said window to secure the pin relative to said one hinge leaf.
  • Various aspects of the present invention are hereinafter described with reference to the accompanying drawings, in which:-
    • Figure 1 is a side view of a hinge assembly according to the present invention;
    • Figure 2 is a plan view from beneath of the hinge assembly shown in Figure 1; and
    • Figure 3 is a sectional view taken along lines X-X in Figure 2.
  • The hinge assembly is generally shown at 10 and includes a first hinge leaf 11 which is hingedly connected to a second hinge leaf 12 by a hinge pin 14. In use, hinge leaf 11 is attached to a vehicle door and hinge leaf 12 is attached to the vehicle body.
  • The hinge pin 14 is rotatably received in a boss portion 11a of the hinge leaf 11 and is restrained against axial withdrawal therefrom. In this respect, the pin 14 is provided with a peripheral flange 15 which acts to restrain relative axial movement in one direction between the pin 14 and boss portion 11a.
  • Relative axial movement between the pin 14 and boss 11a in the opposite direction is prevented by a peripheral flange 16 formed at one terminal end of the pin 14. The peripehral flange 16 is formed by deformation of said one terminal end of the pin 14 after it has been introduced through the boss portion 11a.
  • A bush liner 18 is preferably located between the pin 14 and boss 11a so as to provide a lubricated close tolerance fit therebetween. In this way pin 14 is able to rotate smoothly relative to boss 11a without play. The liner 18 is preferably a plastics material reinforced with a metal mesh; Metaloplast (Registered Trade Mark) is a suitable material.
  • The lower portion 14a of the hinge pin 14 is received in a boss 12a of leaf 12. The pin 14 has a lower terminal portion 14b which is of chamfered configuration to facilitate entry of the pin portion 14a into the bore 12b formed in boss 12a. In use, when the hinge leaf 12 is attached to the vehicle body the boss 12a is located beneath boss 11a so that the weight carried by hinge leaf 11 urges pin 14 axially toward boss 12 ensuring that the flange 15 rests on the upper surface of the boss 12a.
  • The pin 14 is detachably held within the boss 12a by means of a screw threaded retaining member 30. The retaining member 30 acts to prevent axial withdrawal of the pin 14 from the boss 12a and also acts to prevent relative rotation between the boss 12a and pin 14.
  • The retaining member 30 is received in a screw threaded bore 31 which extends generally tangentially relative to the bore 12b such that bores 12b and 31 intersect to provide a window or aperture located on the circumferential periphery of bore 31. Thus when the pin 14 is located within bore 12b it penetrates radially a predetermined amount into bore 31.
  • Accordingly when the retaining member 30 is screwed along bore 31 it will reach the window and interfere with the pin 14. The relative hardnesses of the materials used for the pin 14 and retaining member 30 are chosen such that deformation of the pin 14 and/or the retaining member 30 are/is caused as the retaining member 30 passes the window.
  • In order to facilitate passage of the retaining member 30 passed the window the cross-sectional shape of the retaining member 30 is provided with flats. In this way the torque required for rotating the retaining member 30 is reduced whilst maintaining a desired amount of interference between the pin 14 and retaining member 30. In the illustrated embodiment the retaining member 30 is shown as being tri-lobal; it will be appreciated however that four or more flats may be provided. It is to be noted that herein a "flat" also covers curved surfaces having a relatively large radius of curvature.
  • Initially the hinge 10 is preferably assembled such that the retaining member 30 is screwed along the bore 31 by a sufficient amount to only just grip the pin 14. In this way the retaining member 30 may be easily retracted along bore 31 to enable release of pin 14 and thereby enable the hinge 10 to be separated after mounting on the vehicle door and body.
  • Preferably the hinge 10 is provided with a temporary stop for limiting the maximum open position of the vehicle door. In this respect a thin plate 48 is interposed between flange 16 and boss 11a. The plate 48 is gripped. by the flange 16 and thereby is rotationally locked with respect to the pin 14. The plate 48 is provided with a stop portion 48a which is arranged to abut against a projection 11c on the hinge leaf boss 11a and thereby provide a limit stop for limiting the amount of relative angular displacement between hinge leafs 11, 12.
  • The hinge leaf 11 is provided with an interleafing projection 11d which is engageable with boss 12a to prevent axial separation of the hinge leafs 11, 12. The boss 12a is shaped so as to not engage with projection 11d when the leafs 11, 12 are opened to the position defined by stop 48a. Accordingly separation of a door from a vehicle body is easily achieved by opening the door to the position defined by the stop 48 and then unscrewing retaining member 30 for each hinge 10 and then raising the door to axially separate the hinges.
  • Use of the temporary stop is advantageous since it enables the vehicle to be painted without incorporating a separate conventional door check mechanism. After painting the doors are separated from the vehicle body for fitment. On remounting of the doors to the vehicle body, the temporary stop is no longer required and so the operative renders the temporary stop inoperable by bending the plate 48 to move the stop 48a out of the path of travel of projection 11c. The plate 48 may also be used at this time to rotate pin 14 within bore 12b so as to present a fresh undeformed surface portion of the pin in the window of bore 31.
  • The retaining member 30 is now screwed fully home along bore 31 which results in its head 30a engaging the boss 12a. In this position, the terminal end of the retaining member 30 has passed beyond the pin 14 thereby providing a secure connection between the pin 14 and retaining member 30. In this respect it will be appreciated that the connection between the retaining member 30 and pin 14 is maintained until the terminal end of the retaining member is retracted passed the pin 14. Thus the retaining member has to move axially a substantial distance before the connection with the pin 14 is broken.
  • It is envisaged that the head 30a may be arranged to interfere with hinge leaf 11 to prevent full closing of the door when the retaining member 30 has retracted by a predetermined distance prior to disconnection between the pin 14 and retaining member 30. In this way a warning is provided that the retaining member 30 is retracting from the pin 14 before the connection is actually broken.

Claims (5)

1. A hinge assembly including a first hinge leaf hingedly connected to a second hinge leaf by a hinge pin, the hinge pin being detachably secured in one of the hinge leafs to enable separation of the hinge leafs, the hinge pin being axially slidably received in a bore formed in said one hinge leaf, a retaining member being screw threadedly received in a threaded bore extending generally tangentially to and intersecting said bore so as to define a window in the periphery of said threaded bore, said retaining member when screwed along said threaded bore engaging the periphery of the pin projecting through said window to secure the pin relative to said one hinge leaf.
2. A hinge assembly according to Claim 1 wherein the hinge pin and/or retaining member are deformed by passage of the retaining member through said window.
3. A hinge assembly according to Claim 1 or 2 wherein the retaining member is provided with flats to facilitate passage of the retaining member passed the window.
4. A hinge assembly according to Claim 1, 2 or 3 wherein the retaining member has a head which engages said one hinge leaf when the retaining member is fully inserted into said threaded bore, the head interfering with said other hinge leaf when the retaining member has retracted from said threaded bore by a predetermined distance prior to disconnection between the hinge pin and the retaining member.
5. A hinge assembly according to Claim 1, 2, 3 or 4 wherein a temporary stop plate is provided secured to the hinge pin.
EP19880304566 1987-05-21 1988-05-20 Lift-off hinge assembly Expired EP0292296B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB878712003A GB8712003D0 (en) 1987-05-21 1987-05-21 Lift-off hinge assembly
GB8712003 1987-05-21

Publications (2)

Publication Number Publication Date
EP0292296A1 true EP0292296A1 (en) 1988-11-23
EP0292296B1 EP0292296B1 (en) 1991-12-04

Family

ID=10617689

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19880304566 Expired EP0292296B1 (en) 1987-05-21 1988-05-20 Lift-off hinge assembly

Country Status (4)

Country Link
EP (1) EP0292296B1 (en)
DE (1) DE3866591D1 (en)
ES (1) ES2029018T3 (en)
GB (1) GB8712003D0 (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4932101A (en) * 1988-04-19 1990-06-12 Sperri Sperimentazione E Ricerca Srl Hinge for motor vehicle door
EP0492917A1 (en) * 1990-12-20 1992-07-01 Ihw Limited Lift-off hinge assembly
US7805811B2 (en) * 2001-02-06 2010-10-05 Multimatic Advanced Technologies, Inc. Vehicle door hinge

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1787017A (en) * 1926-06-16 1930-12-30 Nat Pneumatic Co Door-strap clamp
EP0024729A2 (en) * 1979-08-31 1981-03-11 Siemens Aktiengesellschaft Device for securing to a base plate pneumatic construction parts exposable to pressure
EP0151409A1 (en) * 1984-01-16 1985-08-14 Lunke & Sohn Aktiengesellschaft Demountable door hinge for motor vehicles
EP0228187A2 (en) * 1985-12-18 1987-07-08 Bloxwich Engineering Limited Demountable hinges

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1787017A (en) * 1926-06-16 1930-12-30 Nat Pneumatic Co Door-strap clamp
EP0024729A2 (en) * 1979-08-31 1981-03-11 Siemens Aktiengesellschaft Device for securing to a base plate pneumatic construction parts exposable to pressure
EP0151409A1 (en) * 1984-01-16 1985-08-14 Lunke & Sohn Aktiengesellschaft Demountable door hinge for motor vehicles
EP0228187A2 (en) * 1985-12-18 1987-07-08 Bloxwich Engineering Limited Demountable hinges

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4932101A (en) * 1988-04-19 1990-06-12 Sperri Sperimentazione E Ricerca Srl Hinge for motor vehicle door
EP0492917A1 (en) * 1990-12-20 1992-07-01 Ihw Limited Lift-off hinge assembly
US7805811B2 (en) * 2001-02-06 2010-10-05 Multimatic Advanced Technologies, Inc. Vehicle door hinge

Also Published As

Publication number Publication date
ES2029018T3 (en) 1992-07-16
GB8712003D0 (en) 1987-06-24
DE3866591D1 (en) 1992-01-16
EP0292296B1 (en) 1991-12-04

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