Oscillating-mount split-hinge device designed to be fitted on a very heavy door, and very heavy door equipped with such a device

• US 8,424,247 B2
• Filed: 11/12/2010
• Issued: 04/23/2013
• Est. Priority Date: 11/12/2009
• Status: Active Grant

• Current Assignee: Baumert (Societe Par Actions Simplifiee Unipersonnelle)
• Original Assignee: Baumert (Societe Par Actions Simplifiee Unipersonnelle)
• Inventors: Bourget, Christian
• Primary Examiner(s): Mitchell, Katherine
• Assistant Examiner(s): DENION, SCOTT T
• Application Number:
  US12/945,208
• Publication Number:
  US 20110107677A1
• Time in Patent Office: 893 Days
• Field of Search: 492/37, 493/33, 493/34, 493/35, 493/36, 493/37, 493/38, 493/99, 162/75
• US Class Current: 49/334
• CPC Class Codes: E05D 11/04 relating to the use of free balls as bearing-surfaces E05D7/06 takes precedence
• CPC Class Codes: E05D 7/06 to allow tilting of the members
• CPC Class Codes: E05F 15/614 operated by meshing gear wheels, one of which being mounted at the wing pivot axis; operated by a motor acting directly on the wing pivot axis
• CPC Class Codes: E05Y 2900/132 Doors

Abstract

An oscillating-mount split-hinge device is provided that is designed to be fitted on a heavy door having at least one panel mounted to pivot on a frame. The split-hinge device includes at least one lower split-hinge configured to support at least the bulk of the load of the panel of the door, and at least one upper split-hinge configured to form an anti-tilting holding point and axial guide of the panel. Each of the lower split-hinge and the upper split-hinge includes a stationary split-hinge part integrated with the frame, and a movable split-hinge part integrated with the flap. Each of the lower split-hinge and the upper split-hinge also includes a pivoting shaft integrated with one of the frame and the panel, the pivoting shaft being configured to enable rotatably guiding the movable split-hinge part relative to the stationary split-hinge part around said pivoting shaft.

Claims

1. An oscillating-mount split-hinge device configured to be fitted on a door that includes at least one panel that is mounted to pivot on a frame, the split-hinge device comprising:

at least one lower split-hinge configured to support at least the bulk of the load of the panel of said door; and

at least one upper split-hinge configured to form an anti-tilting holding point and axial guide of the panel,

wherein each of the lower split-hinge and the upper split-hinge comprises

one or more of a stationary split-hinge part integrated with the frame and a movable split-hinge part attached to and integrated with the panel, and

a pivoting shaft configured to be integrated with one of the frame and the panel, the pivoting shaft being configured to enable rotatably guiding the movable split-hinge part relative to the stationary split-hinge part around said pivoting shaft,

wherein insertion of an axial superposition of at least one ball roller bearing and at least one ball stop about the upper pivoting shaft allows for guiding rotation of the movable split-hinge part relative to the stationary split-hinge part around the pivoting shaft of the lower split-hinge the at least one ball roller bearing of the lower-split hinge being configured to support primarily radial loads, the at least one ball stop being configured to support primarily axial loads, the at least one ball roller bearing and the at least one ball stop of the lower split-hinge being configured to permit an angular lack of coaxiality of the stationary split-hinge part relative to the movable split-hinge part of the lower split-hinge, an application point of resulting contact actions of roller bearing elements of said ball stop being eccentric relative to the median plane of the ball stop, the ball stop being mated with the ball roller bearing such that said application point substantially corresponds to the pivoting center of the ball roller bearing, an axial spacing between the ball roller bearing and the ball stop being adjustable by an adjustment brace through which the lower pivoting shaft passes axially and is inserted between the ball stop and the ball roller bearing,

wherein insertion of a superposition of at least one ball roller bearing about the upper pivoting shaft allows for guiding rotation of the movable split-hinge part relative to the stationary split-hinge part around the pivoting shaft of each upper split-hinge the at least one ball roller bearing of the upper split-hinge being configured to support primarily the radial loads, the at least one ball roller bearing of the upper split-hinge being configured to permit an angular lack of coaxiality of the stationary split-hinge part relative to the movable split-hinge part of the upper split-hinge, and

wherein each movable split-hinge part comprises a hub configured to accommodate the corresponding pivoting shaft, the stationary split-hinge part of each lower split-hinge and upper split-hinge having a hinge shape that carries the pivoting shaft,

the pivoting shaft of the lower split-hinge being mounted to rotate freely in the corresponding lower hub by successively passing through, from a base of the lower hub, the ball roller bearing, the adjustment brace, the ball stop, and a plain bearing forming a pivot connection that preserves play between the corresponding pivoting shaft and an inside sliding surface of said plain bearing to facilitate an angular offset of the pivoting shaft within the angular limits imposed by the ball roller bearing and said ball stop associated with the ball roller bearing, and

the pivoting shaft of each upper split-hinge being mounted to rotate freely in the corresponding hub by successively passing from a base of the upper hub, through the ball roller bearing and a plain bearing forming a pivot connection that preserves play to offset the upper pivoting shaft within angular limits imposed by the ball roller bearing.

2. The device according to claim 1, wherein the stationary split-hinge part of each lower split-hinge and upper split-hinge comprises a hollow piece in the form of an eyelet attached to the frame and comprising a corresponding receiving cavity having an axis that is substantially combined with the axis of rotation of the panel, and

wherein the pivoting shaft of each lower split-hinge and upper split-hinge is engaged by a low part of the pivoting shaft in said corresponding receiving cavity, the pivoting shaft being held and centered axially substantially on said axis of rotation in a substantially vertical position, with axial and anti-rotational locking, by a casing connection between said corresponding pivoting shaft and the corresponding receiving cavity, and is engage by a top part of the corresponding pivoting shaft in the corresponding hub of the movable split-hinge part of each lower split-hinge and upper split-hinge.

3. The device according to claim 2, wherein the corresponding pivoting shaft ends at a lower end, which extends downward beyond the receiving cavity, by a threaded end fitting, and wherein the each casing connection comprises

a first shoulder formed in the corresponding pivoting shaft that mates with a second shoulder formed in the inside wall of the corresponding receiving cavity to prevent the axial movement of the pivoting shaft downward, and

a stop washer placed around said end fitting and being held in a stop position by a locking means screwed onto a threaded part of said corresponding end fitting to prevent the axial movement of said corresponding pivoting shaft in an upward direction.

4. The device according to claim 1, wherein one or more of the ball roller bearing of the upper split-hinge, and the ball roller bearing and the ball stop system of the lower split-hinge, is locked axially in the corresponding hub of the corresponding movable split-hinge part between a shoulder formed in an outer surface of the pivoting shaft by means of an annular sealing joint, and the corresponding plain bearing.

5. The device according to claim 4, wherein the upper split-hinge further comprises an intermediate piece in the form of a sleeve through which the upper pivoting shaft, corresponding to the level of the corresponding plain bearing, passes, a base of the intermediate piece being enlarged by extending radially to tightly cover a cage of the upper ball roller bearing.

6. The device according to claim 1, wherein both ball roller bearings are ball roller bearings on one or more of rollers, balls or needless, and the ball stop is on rollers.

7. The device according to claim 1, wherein the pivoting of the panel of the door for the one or more of the opening and closing of the door is controlled by a power unit comprising a motor configured to drive a drive shaft integrated with one or more of the panel and the movable split-hinge part of each lower split-hinge.

8. The device according to claim 7, wherein the movable split-hinge part of each of the lower split-hinge and the upper split-hinge comprises a support plate configured to be attached to the panel and extending from an arm that carries the corresponding hub, the arm extending away from the plane of the panel to create a space or sufficient disengagement from the panel to house and implement the power unit, the drive shaft being an upward axial extension upward of the hub of the corresponding movable split-hinge part of each lower split-hinge.

9. The device according to claim 8, wherein said drive shaft comprises a hood having an overall cylindrical shape with an enlarged base that can cover, with the enlarged base, the upper surface of the corresponding hub of the movable split-hinge part of the lower split-hinge, on which the upper surface said hood is attached by screwing and extends axially on an upper part by a drive shaft that comprises, on an outside surface thereof, at least one connection key, to enable linking in rotation the drive shaft with the drive means of said motor.

10. A door, comprising:

a frame; and

at least one panel mounted to pivot on the frame, the at least one panel permitting access to a closed space, the at least one panel having a split-hinge device according to claim 1 attached thereto.

11. The device according to claim 1, wherein the pivoting of the panel of the door for one or more of opening and closing of the door is controlled by a power unit, comprising a motor configured to drive a drive shaft that is integrated with the panel and the movable split-hinge part of each lower split-hinge.

12. The device according to claim 1, wherein the angular limits of the angular offset of each of the lower pivoting shaft and the upper pivoting shaft are between approximately 1 and 2 degrees.

13. The device according to claim 12, wherein the angular limits are between 1.2 and 1.3 degrees.

14. The device according to claim 5, wherein an annular joint is used to tightly cover the cage of the ball roller bearing.

15. The device according to claim 6, wherein the rollers are conical rollers.

16. The device according to claim 15, wherein the ball roller bearings are bearings on rollers with two rows of conical rollers.