EP2312105A1 - Self-closing pivot hinge - Google Patents
Self-closing pivot hinge Download PDFInfo
- Publication number
- EP2312105A1 EP2312105A1 EP10191416A EP10191416A EP2312105A1 EP 2312105 A1 EP2312105 A1 EP 2312105A1 EP 10191416 A EP10191416 A EP 10191416A EP 10191416 A EP10191416 A EP 10191416A EP 2312105 A1 EP2312105 A1 EP 2312105A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- hinge
- pivot hinge
- self
- spring
- closing
- 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
Links
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Images
Classifications
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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
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D11/00—Additional features or accessories of hinges
- E05D11/10—Devices for preventing movement between relatively-movable hinge parts
- E05D11/1007—Devices for preventing movement between relatively-movable hinge parts with positive locking
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D11/00—Additional features or accessories of hinges
- E05D11/10—Devices for preventing movement between relatively-movable hinge parts
- E05D11/1028—Devices for preventing movement between relatively-movable hinge parts for maintaining the hinge in two or more positions, e.g. intermediate or fully open
- E05D11/105—Devices for preventing movement between relatively-movable hinge parts for maintaining the hinge in two or more positions, e.g. intermediate or fully open the maintaining means acting perpendicularly to the pivot axis
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D5/00—Construction of single parts, e.g. the parts for attachment
- E05D5/02—Parts for attachment, e.g. flaps
- E05D5/0215—Parts for attachment, e.g. flaps for attachment to profile members or the like
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D5/00—Construction of single parts, e.g. the parts for attachment
- E05D5/02—Parts for attachment, e.g. flaps
- E05D5/0215—Parts for attachment, e.g. flaps for attachment to profile members or the like
- E05D5/0223—Parts for attachment, e.g. flaps for attachment to profile members or the like with parts, e.g. screws, extending through the profile wall or engaging profile grooves
- E05D5/0238—Parts for attachment, e.g. flaps for attachment to profile members or the like with parts, e.g. screws, extending through the profile wall or engaging profile grooves with parts engaging profile grooves
-
- 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
- E05D7/04—Hinges adjustable relative to the wing or the frame
-
- 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
- E05D7/08—Hinges or pivots of special construction for use in suspensions comprising two spigots placed at opposite edges of the wing, especially at the top and the bottom, e.g. trunnions
- E05D7/081—Hinges or pivots of special construction for use in suspensions comprising two spigots placed at opposite edges of the wing, especially at the top and the bottom, e.g. trunnions the pivot axis of the wing being situated near one edge of the wing, especially at the top and bottom, e.g. trunnions
-
- 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
- E05Y2201/00—Constructional elements; Accessories therefor
- E05Y2201/20—Brakes; Disengaging means; Holders; Stops; Valves; Accessories therefor
- E05Y2201/214—Disengaging means
- E05Y2201/216—Clutches
-
- 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
- E05Y2201/00—Constructional elements; Accessories therefor
- E05Y2201/20—Brakes; Disengaging means; Holders; Stops; Valves; Accessories therefor
- E05Y2201/23—Actuation thereof
- E05Y2201/232—Actuation thereof by automatically acting means
- E05Y2201/234—Actuation thereof by automatically acting means direction dependent
-
- 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
- E05Y2800/266—Form or shape curved
-
- 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
- E05Y2800/292—Form or shape having apertures
- E05Y2800/296—Slots
-
- 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
-
- 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 self-closing pivot hinge for rotatably mounting a rotatable element, such as for example a door, a window or the like, in an opening.
- Pivot or spindle hinges are employed in the art for rotatably mounting doors, window, gates or other rotatable elements in their respective openings.
- This type of hinges generally comprises the combination of a spindle or pen which rotates in a hole in the rotatable element or in the side of the opening. This pen or spindle defines the rotation axis.
- a self closing door hinge of this type is for example known from EP-A-0445559 .
- This hinge comprises a bush which rotates around a spindle.
- a bottom bearing surface of the bush is shaped complementary to an upper bearing surface of a lower part of the spindle, on which the bush rests.
- These bearing surfaces show inclinations and recesses to define a number of predefined positions for the door, such that upon moving the door from one position to the other, the bush is lifted from one of the recesses against the action of a spring.
- the spring is located between the bush and a biasing ring, the position of which is adjustable. In this way, the compression rate of the spring and hence the force on the bush can be set.
- the self-closing pivot hinge comprises a first part attachable to the rotatable element and a second part attachable to a side of the opening.
- the first and second parts are rotatable with respect to each other about a rotation axis from a closed position in which the rotatable element (the door, window or other rotatable element) closes off the opening to at least a first open position, i.e. there can be one or more open positions.
- the hinge further comprises a spring mounted along the rotation axis and providing a self-closing function to the pivot hinge.
- the second part of the pivot hinge comprises a wedge-shaped upstanding part with counterpart and tensioning bolt for clamping the pivot hinge on a selectable height in a corresponding groove of a frame. This increases the range of applicability of the pivot hinge of the invention.
- the hinge is a bidirectional hinge which is provided for being opened both ways, i.e. to the first open position and to a second open position by rotation to the opposite side.
- the first part is provided with user accessible adjustment means for adjusting the position of the rotatable element fixed to the first part in height and/or depth direction. In this way the position of for example a door with respect to a door frame can still be adapted if necessary when the door is already mounted in the door frame.
- the pivot hinge comprises an integrated hinge lock for locking the hinge in the/each open position. In this way, the need for an additional device for locking the rotatable element fixed to the hinge in the/each open position can be avoided.
- the pivot hinge comprises an integrated stop member for stopping the rotation at the/each open position. In this way, the need for an additional device for stopping the rotation of the rotatable element fixed to the hinge beyond the/each open position can be avoided.
- the spring is substantially completely enclosed in a spring housing which is constructed in a sound isolating material to isolate noises which may be generated by the spring.
- top, bottom, over, under and the like in the description and the claims are used for descriptive purposes and not necessarily for describing relative positions. The terms so used are interchangeable under appropriate circumstances and the embodiments of the invention described herein can operate in other orientations than described or illustrated herein.
- FIG. 1 shows a door 1, i.e. a rotatable element, suspended in a door frame 4 by means of pivot hinges 2, 3 according to the invention.
- pivot hinges 2, 3 can be any of the embodiments described below.
- FIGS 2 and 3 show a first embodiment of a pivot hinge according to the invention.
- the hinge comprises a flat part 121 on which a spring housing 107 is fixed by means of two mounting and depth adjustment screws 105.
- the flat part 121 and the spring housing 107 together form a first part of the hinge which is attachable to a rotatable element (door, window, ).
- the hinge further comprises a base 113 with a hinge spindle 117 which forms a second part of the hinge, attachable to a side of the opening in which the rotatable element is mounted, for example a part of the door/window frame or the floor.
- first and second parts are rotatable with respect to each other about a rotation axis, defined by the spindle 117, from a closed position in which the rotatable element closes off the opening to a first open position and a second open position by rotation to the opposite side.
- the hinge is shown in the first open position.
- the hinge spindle 117 has one or more peripheral grooves for storage of lubricating grease.
- a spring 100 is mounted, coaxially with the rotation axis.
- the spring housing 107 also has the function of isolation to reduce noise which may be generated by the spring during use.
- This spring 100 provides a self-closing function to the pivot hinge.
- the top end 101 of the spring is engaged by a pre-tensioning member 103.
- This pre-tensioning member is releasably fixed to the screw housing 107 by means of a locking screw 106 which protrudes into one of four positioning slots in the pre-tensioning member. By releasing the locking screw 106, the pre-tensioning member can be rotated in steps of 90° to adapt the pre-tension of the spring 100, as will be explained in detail below.
- the bottom end 102 of the spring is engaged by a spring fixing member 109 which is fixed to the base 113 by means of a locking screw 108.
- the pre-tensioning member 103 Since one end 101 of the spring is engaged by the pre-tensioning member 103, fixed to the part of the hinge which is fixed to the rotatable element, and the other end 102 is engaged by the fixing member 109, fixed to the part of the hinge which is fixed to the side of the opening, rotation of the first part 107 with respect to the second part 113 causes a change in the tension of the spring, i.e. the spring functions as a torsion spring.
- the pre-tension can be set such that the spring will counteract opening of the rotatable element, hence achieving the self-closing function.
- FIG 4 shows in detail in different steps, consecutively numbered with roman numbers, how the pre-tension is adjusted in this embodiment.
- step I the hinge is moved to the (first) open position.
- step II the hinge is fixed in this open position by means of the hinge lock 110.
- step III the locking screw 106 is released from its positioning slot in the pre-tensioning member by means of a suitable tool.
- step IV the pre-tensioning member 103 can now be rotated stepwise by means of a suitable tool to adjust the pre-tension. This causes a rotation of the top end 101 of the spring 100 which is held in slot 123 in the bottom of the pre-tensioning member 103.
- step V the locking screw 106 is screwed back into its hole and into the positioning slot of the pre-tensioning member 103 which is now in front of it.
- step VI the hinge lock 110 is released in step VI and the hinge can be moved back to the closed position in step VII. Since the locking screw 106 and the pre-tensioning member 103 are accessible from outside the spring housing 107, the pre-tension is always adaptable without there being a need for dismantling the rotatable element from its opening.
- the self-closing function of the hinge can be disabled by means of the pre-tensioning member 103. This is shown in detail in figure 5 .
- step I the hinge is moved to the (first) open position.
- step II the hinge is fixed in this open position by means of the hinge lock 110.
- step III the locking screw 106 is released from its positioning slot in the pre-tensioning member by means of a suitable tool.
- steps IV, V and VI the pre-tensioning member 103 is lifted from the top end 101 of the spring, rotated over 180° around the rotation axis and lowered back onto the top end 101 of the spring.
- step VII the locking screw 106 is screwed back into its hole and into the positioning slot of the pre-tensioning member 103 which is now in front of it.
- the hinge lock 110 is released in step IIX and the hinge can be moved back to the closed position in step IX.
- pivot hinge of figures 2 and 3 to set the self-closing function in one direction only is extremely advantageous.
- the self-closing function of the rotatable element in one direction is achieved by the one pivot hinge while the other does not counteract.
- the pivot hinges 2 and 3 can be set such that closing the door 1 in one direction is performed by the top hinge 2 while the bottom hinge 3 is in the free walk state and closing the door 1 in the other direction is performed by the bottom hinge 3 while the top hinge 2 is in the free walk state.
- the hinge of figures 2 and 3 is further provided with adjustment screws for adjusting the position of the flat part 121 with respect to the spring housing 107 and hence the position of the rotatable element with respect to its opening.
- the screws 105 which fix these parts 107 and 121 to each other are simultaneously used for adjustments in depth direction, i.e. for adjusting the gap between the flat part 121 and the spring housing 107. This gap is maintained by the spiral pressure springs 122. In case spacer screws 120 are placed, a minimal gap is defined. The adjustment in depth direction is always possible since the screws 105 are accessible even when the hinge is in use.
- step I the hinge is moved to the open position
- step II the hinge lock 110 is operated to lock the hinge in the open position
- step 11 the screws 105 are operated by means of a suitable tool to adjust the gap between the screw housing 107 and the flat part 121.
- the gaps D1 and D2 between the door 1 and the lateral parts of the frame 4 can be adjusted.
- height adjustment screw 104 which has a cone-shaped tip
- a slight adjustment in height direction can be made. This is shown in detail in figure 7 : by turning the screw 104 towards the flat part 121, the slanted side of the cone-shaped tip will cause the flat part 121 and hence the rotatable element to be slightly raised. In this way, in figure 1 the gaps H1 and H2 between respectively the top part of the frame 4 and the top side of the door 1 and the bottom side of the door 1 and the floor can be adjusted.
- the hinge lock 110 is suspended in the spring housing 107 by means of a hinge lock spindle 119.
- This spindle also carries a hinge lock spring 111, located behind the hinge lock 110.
- the function is described with reference to figure 8 , again with consecutive steps numbered by roman numbers.
- step I the hinge is moved to the (first) open position.
- the hinge lock 110 is pressed in step II, causing a corrugated part of it to enter and engage in a complementary hole in the hinge spindle 117 which is specifically provided for this purpose, thereby blocking the hinge in the open position.
- Step III represents a slight movement of the first part of the hinge beyond the open position, which causes the hinge lock 110 to be released.
- Step IV represents that the hinge lock spring 111 makes sure that the hinge lock 110 returns to its original position.
- step V is the returning of the hinge to the closed position.
- the hinge lock may be any type of sliding or revolving lock.
- the hinge lock 110 shown in the figures has a bore which provides user access to the underlying mounting screw 105 and to the hinge spindle 117 for lubrication, but a removable hinge lock 110 would also fulfil this purpose.
- FIG. 1 Another integrated function of the pivot hinge of figures 2 and 3 is that of a stop at the first open position (e.g. +90°) and/or the second open position (e.g. -90°).
- a stop member 118 which is a leaf spring mounted on the base 113 of the hinge.
- the operation is explained by means of figure 9 which again shows consecutive steps using roman numbers.
- Step I represents that initially in the closed position the stop member 118 is slightly depressed by the bottom side of the spring housing 107, since the bottom side presses on an upwards protruding ridge 126 of the stop member 118.
- Steps II and III consecutively show what happens when the hinge reaches the (first) open position.
- a notch 125 is provided for accommodating the ridge 126.
- Step II shows that this notch 125 approaches the ridge 126 when the hinge is opened.
- the ridge 126 enters the notch 125 so that the stop member 118 springs upwards to its neutral position.
- the end ridge 127 is moved in front of the side of the spring housing 107, stopping the rotation of the spring housing 107 at about 90°.
- the stop member 118 has a symmetrical structure and function: on the left it is shown that the end ridge 127 stops the spring housing 107 at about +90° and hence defines the first open position; on the right it is shown that the end ridge 128 at the opposite side stops the spring housing 107 at about -90° and hence defines the second open position.
- the angles of about +90° and -90° at which the stop member 118 stops the rotation of the hinge may of course be varied. In other words, the angles between the first and second open positions and the closed position may be any suitable angles. In order to vary these angles, it is sufficient to replace the stop member 118 of the figures with another stop member having ridges for stopping the rotation at the desired angles.
- the base 113 of the hinge can, on the one hand, be fixed to the floor or more generally the top and bottom sides of the opening in which the rotatable element is mounted. This fixing is quite simply achieved by means of a floor mounting screw 117 which is inserted through a hole in the base 113 into a bore in the floor. A number of shock absorbers 115 are then inserted on the bottom side of the base.
- the base 113 of the hinge can also be fixed to a lateral frame part 4 with a complementary shape. This is achieved by means of an upstanding part and a counterpart 114, which are both wedge-shaped with complementary slanted contact surfaces and corrugated outer surfaces, and are joined together by means of a tensioning bolt 112.
- step I the upstanding part of the base 113 is brought into the frame part 4.
- step II the counterpart 114 is brought into the frame part 4 above the upstanding part of the base 113.
- step III shows that the mounting height of the pivot hinge in the frame part 4 can be chosen as desired (see also references P1 and P2 in figure 1 ) or to adjust the height of the rotatable element in its opening to a larger extent.
- the tensioning bolt 112 is inserted and tensioned by means of a suitable tool (step IV), as a result of which the parts 113, 114 are pressed apart and become clamped in the groove of the frame part 4.
- the base 113 may be provided with more common flanges for fixing the pivot hinge onto walls, floors, ceilings etc.
- FIG 11 shows a second embodiment of a pivot hinge according to the invention.
- the top and bottom ends 201, 202 of the spring are respectively permanently welded to the pre-tensioning member 204 and the spring fixing member 209, which is in fact the same constructional part as the pre-tensioning member 204 but turned upside down and rotated over an angle De, see figure 12 .
- the spring fixing member 209 is fixed to the base 213 and the pre-tensioning member 204 is fixed to the spring housing by means of the locking screw 206 which engages in the groove 224 in the side of the pre-tensioning member 204.
- the angle De i.e.
- the difference in orientation between the two parts 204 and 209 defines the pre-tension which is applied to the spring in the closed position.
- This pre-tension is a predetermined, fixed amount, independent of the room, the dimensions of the door, etc. If desired, the pre-tension could be increased to a great extent by releasing the locking screw 206, rotating the pre-tensioning member 204 over a full 360° and re-locking the orientation by means of the locking screw 206.
- the locking screw 206 In the closed position, the locking screw 206 is located at an extremity of the groove 224.
- the hinge is bidirectional, but the top end 201 of the spring is only rotated along with the spring housing in one direction; in the other direction the groove 224 forms a free walk groove through which the locking screw 206 travels, so that the top end 201 of the spring is not rotated along.
- the hinge of figure 11 is a bidirectional hinge with a self-closing function in one direction and a free walk function in the other direction.
- a self-closing door 1 is achieved of which the self-closing function in each direction is provided by a different hinge while the other does not counteract.
- the self-closing function of the hinge of figure 11 can be fully disabled, simply by removing the locking screw 206.
- the other parts of the second embodiment of the hinge largely correspond to those of the first embodiment and will therefore not be described in detail again.
- the following parts can be distinguished in figure 11 : one of the mounting and depth adjustment screws 205, the hinge lock 210, the hinge base 213 with counterpart 214, the floor mounting screw 216, the hinge spindle 217 and the stop member 218.
- the third embodiment shown in figures 13-18 comprises an adjustment mechanism by which the pre-tension on the spring 300 can be more finely adjusted.
- the pre-tensioning member 203 meshes with the teeth 334 of a driving gear 332, which is provided for being rotated by means of a suitable tool through a hole in the spring housing 307.
- a locking screw 306 is provided for engaging in one of a plurality of radially extending positioning slots 335, but there are more positioning slots in this third embodiment.
- the driving gear 332 facilitates the adjustment of the orientation of the pre-tensioning member 303.
- the pre-tensioning member 303 engages the top end 301 of the spring 300, whereas the bottom end 302 is engaged by a spring fixing member 309, which is fixed to the spindle 317 by means of a locking screw 308 and has a slot 325 for holding the bottom end 302 of the spring 300.
- the pre-tensioning member 303 is, like in the first embodiment, provided with a narrow slot 323 for engaging the top end 301 of the spring in either direction and a wide free walk slot 324 for enabling free movement of the top end 301 of the spring with respect to the pre-tensioning member 303.
- the self-closing function of the hinge can again be selectively disabled in one or both directions by repositioning the pre-tensioning member 303 on the top end 301 of the spring 300.
- Another difference of the third embodiment with respect to the first embodiment is the mechanism 330 for adjusting the position of the flat part 321 with respect to the spring housing 307 in height direction.
- This mechanism 330 is separate from the spring housing 307 and is pre-mounted on the flat part 321 by means of a screw 331.
- the height adjustment is activated when the screw 331 is loosened, so that displacements of the mechanism 330 with respect to the flat part 321 are enabled.
- the adjustment can then be made by means of the height adjustment screw 304 with cone-shaped tip, which is mounted eccentric with respect to the hole 337 in the flat part 321.
- Screwing the height adjustment screw 304 deeper into the hole causes the flat part 321 and hence the rotatable element 1 fixed to it to be lifted, which is also enabled by an amount of play around the mounting screw 305 which mounts the spring housing 307 to the flat part 321 and by the open sleeve 336 at the top side of the mechanism 330.
- the advantage of this mechanism, separate from the spring housing 307, is that the height adjustment is no longer linked to the depth adjustment, which greatly facilitates the making of these adjustments as they can be made independent from each other.
- the height adjustment mechanism 330 pre-mounted on the flat part 321, facilitates the fixing of a rotatable element 1 to the hinge.
- the rotatable element is simply rested on the hinge by placing the mechanism 330 on top of the housing 307.
- the holes for the mounting screws 305 are thereby more easily brought in front of the mounting screws 305.
- the other parts of the third embodiment of the hinge largely correspond to those of the first embodiment and will therefore not be described in detail again.
- the following parts can be distinguished in figure 13 : the mounting and depth adjustment screws 305, the hinge lock 310 with spring 311 and spindle 319, the hinge base 213 with counterpart 214 and tensioning bolt 312, shock absorbers 315, the floor mounting screw 316 with a nut 333 which can be used for fixing the hinge to an upper frame part of a door frame, the hinge spindle 317, spacer screws 320 and spiral pressure springs 322.
- Figure 20 shows a fourth embodiment of a pivot hinge according to the invention.
- the top and bottom ends 401, 402 of the spring are respectively held by a pre-tensioning member 403 and a spring fixing member 409, which are together provided for imposing a minimal predetermined pre-tension on the spring 400, like in the second embodiment.
- the predetermined pre-tension is selectable upon assembling the hinge.
- the spring fixing member 409 comprises a plurality of slots 441-444, radially displaced with respect to each other, for engaging the bottom end 402 of the spring 400. Each of these slots 441-444 defines a different pre-tension.
- the pre-tensioning member which is shaped for selectively engaging the top end 401 of the spring 400 either in one direction or in the other direction, so to achieve a hinge with a self-closing function in one direction and a free walk function in the opposite direction, the functions being switchable with respect to each other.
- the lower part of the pre-tensioning member 403 comprises a peripheral groove spanning 180° of rotation of the hinge, a through bore 405 for inserting a locking screw 406 from either side, and a marking 404 on the top side for indicating the orientation of the pre-tensioning member 403 to the installer.
- the installer unscrews the locking screw 406, rotates the pre-tensioning member 403 over 180° to bring the top end 401 of the spring at the opposite extremity of the peripheral groove and then reintroduces the locking screw 406 in the bore 405 to fix the orientation.
- the spring housing 407 the spring fixing screw 408, the hinge lock 410 with spring 411 and spindle 419, the hinge base 413, the hinge spindle 417, the stop member 418 and the nut 433 which is used when fixing the hinge to a top frame part of a door frame.
- Figures 21 and 22 show alternative embodiments for the stop for stopping rotation of the hinge beyond the first and second open positions.
- the embodiment of figure 21 is used in the second embodiment of the hinge of figure 11 and the fourth embodiment of figure 20 and comprises a sheet metal stop member 218 with end ridges 227.
- the embodiment of figure 22 is used in the third embodiment of the hinge of figures 13-14 and has an end ridge 327 which is integrated on the hinge base 313.
- the embodiment of figure 21 has the advantage that the stop member 218 can be removed from the hinge if it is not necessary, for example if it is desired to have a door which can be swung open further.
- the embodiment of figure 22 has the advantage that one less constructional part is needed.
- the pre-tension of the spring is after installation adjustable by repositioning the pre-tensioning member with respect to the spring housing, i.e. by means of an adjustment at the top end of the spring.
- adjusting mechanisms for this purpose could also be provided at the bottom end of the spring, for example mechanisms enabling in some way adjustment of the orientation of the spring fixing member with respect to the base spindle.
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Abstract
Description
- The present invention relates to a self-closing pivot hinge for rotatably mounting a rotatable element, such as for example a door, a window or the like, in an opening.
- Pivot or spindle hinges are employed in the art for rotatably mounting doors, window, gates or other rotatable elements in their respective openings. This type of hinges generally comprises the combination of a spindle or pen which rotates in a hole in the rotatable element or in the side of the opening. This pen or spindle defines the rotation axis.
- A self closing door hinge of this type is for example known from
EP-A-0445559 . This hinge comprises a bush which rotates around a spindle. A bottom bearing surface of the bush is shaped complementary to an upper bearing surface of a lower part of the spindle, on which the bush rests. These bearing surfaces show inclinations and recesses to define a number of predefined positions for the door, such that upon moving the door from one position to the other, the bush is lifted from one of the recesses against the action of a spring. The spring is located between the bush and a biasing ring, the position of which is adjustable. In this way, the compression rate of the spring and hence the force on the bush can be set. - It is an aim of the present invention to provide a self-closing pivot hinge which can be mounted to a corresponding frame part on a selectable height.
- This aim is achieved according to the invention with a pivot hinge showing the technical characteristics of the first claim.
- The self-closing pivot hinge according to the invention comprises a first part attachable to the rotatable element and a second part attachable to a side of the opening. The first and second parts are rotatable with respect to each other about a rotation axis from a closed position in which the rotatable element (the door, window or other rotatable element) closes off the opening to at least a first open position, i.e. there can be one or more open positions. The hinge further comprises a spring mounted along the rotation axis and providing a self-closing function to the pivot hinge.
- According to the invention, the second part of the pivot hinge comprises a wedge-shaped upstanding part with counterpart and tensioning bolt for clamping the pivot hinge on a selectable height in a corresponding groove of a frame. This increases the range of applicability of the pivot hinge of the invention.
- In a preferred embodiment, the hinge is a bidirectional hinge which is provided for being opened both ways, i.e. to the first open position and to a second open position by rotation to the opposite side.
- In a preferred embodiment, the first part is provided with user accessible adjustment means for adjusting the position of the rotatable element fixed to the first part in height and/or depth direction. In this way the position of for example a door with respect to a door frame can still be adapted if necessary when the door is already mounted in the door frame.
- In a preferred embodiment, the pivot hinge comprises an integrated hinge lock for locking the hinge in the/each open position. In this way, the need for an additional device for locking the rotatable element fixed to the hinge in the/each open position can be avoided.
- In a preferred embodiment, the pivot hinge comprises an integrated stop member for stopping the rotation at the/each open position. In this way, the need for an additional device for stopping the rotation of the rotatable element fixed to the hinge beyond the/each open position can be avoided.
- Preferably, the spring is substantially completely enclosed in a spring housing which is constructed in a sound isolating material to isolate noises which may be generated by the spring.
- The invention will be further elucidated by means of the following description and the appended figures.
-
Figure 1 shows a door suspended in a door frame by means of pivot hinges according to the invention. -
Figure 2 shows a first embodiment of a pivot hinge according to the invention in exploded view. -
Figure 3 shows the first embodiment of the pivot hinge, assembled, with part of the spring housing broken away for clarity. -
Figure 4 shows how the pre-tension on the spring of the first embodiment of the pivot hinge shown infigures 2 and3 is adjusted. -
Figure 5 shows how the self-closing function in the first embodiment of the pivot hinge shown infigures 2 and3 is disabled. -
Figure 6 shows how the position of a door, suspended by means of the first embodiment of the pivot hinge, can be adjusted in depth direction. -
Figure 7 shows how the position of a door, suspended by means of the first embodiment of the pivot hinge, can be adjusted in height direction. -
Figure 8 shows the operation of the hinge lock of the first embodiment of the pivot hinge, for locking the hinge in an open position. -
Figure 9 shows the operation of the stop member of the first embodiment of the pivot hinge, for stopping rotation of the hinge beyond the open positions. -
Figure 10 shows how the first embodiment of the pivot hinge is mounted in a complementary door frame. -
Figure 11 shows a second embodiment of a pivot hinge according to the invention with part of the spring housing broken away for clarity. -
Figure 12 shows a detail of the spring of the second embodiment. -
Figure 13 shows a third embodiment of a pivot hinge according to the invention in exploded view. -
Figure 14 shows the third embodiment of the pivot hinge, assembled, with part of the spring housing broken away for clarity. -
Figures 15 and 16 show details of the third embodiment. -
Figure 17 shows a cross-section of the third embodiment at the height of the upper end of the spring. -
Figure 18 shows how the third embodiment of the pivot hinge is mounted onto a rotatable element. -
Figure 19 shows a cross-section of the height adjustment mechanism of the third embodiment. -
Figure 20 shows a fourth embodiment of a pivot hinge according to the invention in exploded view. -
Figure 21 shows a detail of the base of the second embodiment of the pivot hinge according to the invention. -
Figure 22 shows a detail of the base of the third embodiment of the pivot hinge according to the invention. - The present invention will be described with respect to particular embodiments and with reference to certain drawings but the invention is not limited thereto but only by the claims. The drawings described are only schematic and are non-limiting. In the drawings, the size of some of the elements may be exaggerated and not drawn on scale for illustrative purposes. The dimensions and the relative dimensions do not necessarily correspond to actual reductions to practice of the invention.
- Furthermore, the terms first, second, third and the like in the description and in the claims, are used for distinguishing between similar elements and not necessarily for describing a sequential or chronological order. The terms are interchangeable under appropriate circumstances and the embodiments of the invention can operate in other sequences than described or illustrated herein.
- Moreover, the terms top, bottom, over, under and the like in the description and the claims are used for descriptive purposes and not necessarily for describing relative positions. The terms so used are interchangeable under appropriate circumstances and the embodiments of the invention described herein can operate in other orientations than described or illustrated herein.
- The term "comprising", used in the claims, should not be interpreted as being restricted to the means listed thereafter; it does not exclude other elements or steps. It needs to be interpreted as specifying the presence of the stated features, integers, steps or components as referred to, but does not preclude the presence or addition of one or more other features, integers, steps or components, or groups thereof. Thus, the scope of the expression "a device comprising means A and B" should not be limited to devices consisting only of components A and B. It means that with respect to the present invention, the only relevant components of the device are A and B.
-
Figure 1 shows adoor 1, i.e. a rotatable element, suspended in adoor frame 4 by means of pivot hinges 2, 3 according to the invention. These pivot hinges 2, 3 can be any of the embodiments described below. -
Figures 2 and3 show a first embodiment of a pivot hinge according to the invention. The hinge comprises aflat part 121 on which aspring housing 107 is fixed by means of two mounting and depth adjustment screws 105. Theflat part 121 and thespring housing 107 together form a first part of the hinge which is attachable to a rotatable element (door, window, ...). The hinge further comprises a base 113 with ahinge spindle 117 which forms a second part of the hinge, attachable to a side of the opening in which the rotatable element is mounted, for example a part of the door/window frame or the floor. These first and second parts are rotatable with respect to each other about a rotation axis, defined by thespindle 117, from a closed position in which the rotatable element closes off the opening to a first open position and a second open position by rotation to the opposite side. Infigure 3 the hinge is shown in the first open position. Thehinge spindle 117 has one or more peripheral grooves for storage of lubricating grease. - Inside the spring housing 107 a
spring 100 is mounted, coaxially with the rotation axis. Thespring housing 107 also has the function of isolation to reduce noise which may be generated by the spring during use. Thisspring 100 provides a self-closing function to the pivot hinge. Thetop end 101 of the spring is engaged by apre-tensioning member 103. This pre-tensioning member is releasably fixed to thescrew housing 107 by means of a lockingscrew 106 which protrudes into one of four positioning slots in the pre-tensioning member. By releasing the lockingscrew 106, the pre-tensioning member can be rotated in steps of 90° to adapt the pre-tension of thespring 100, as will be explained in detail below. Thebottom end 102 of the spring is engaged by aspring fixing member 109 which is fixed to thebase 113 by means of a lockingscrew 108. - Since one
end 101 of the spring is engaged by thepre-tensioning member 103, fixed to the part of the hinge which is fixed to the rotatable element, and theother end 102 is engaged by the fixingmember 109, fixed to the part of the hinge which is fixed to the side of the opening, rotation of thefirst part 107 with respect to thesecond part 113 causes a change in the tension of the spring, i.e. the spring functions as a torsion spring. By means of thepre-tensioning member 103, the pre-tension can be set such that the spring will counteract opening of the rotatable element, hence achieving the self-closing function. -
Figure 4 shows in detail in different steps, consecutively numbered with roman numbers, how the pre-tension is adjusted in this embodiment. In step I, the hinge is moved to the (first) open position. In step II, the hinge is fixed in this open position by means of thehinge lock 110. In step III, the lockingscrew 106 is released from its positioning slot in the pre-tensioning member by means of a suitable tool. Next, in step IV thepre-tensioning member 103 can now be rotated stepwise by means of a suitable tool to adjust the pre-tension. This causes a rotation of thetop end 101 of thespring 100 which is held inslot 123 in the bottom of thepre-tensioning member 103. Once the desired new position/orientation of thepre-tensioning member 103 is set, in step V the lockingscrew 106 is screwed back into its hole and into the positioning slot of thepre-tensioning member 103 which is now in front of it. Finally, thehinge lock 110 is released in step VI and the hinge can be moved back to the closed position in step VII. Since the lockingscrew 106 and thepre-tensioning member 103 are accessible from outside thespring housing 107, the pre-tension is always adaptable without there being a need for dismantling the rotatable element from its opening. - The self-closing function of the hinge can be disabled by means of the
pre-tensioning member 103. This is shown in detail infigure 5 . In step I, the hinge is moved to the (first) open position. In step II, the hinge is fixed in this open position by means of thehinge lock 110. In step III, the lockingscrew 106 is released from its positioning slot in the pre-tensioning member by means of a suitable tool. Next, in steps IV, V and VI, the pre-tensioningmember 103 is lifted from thetop end 101 of the spring, rotated over 180° around the rotation axis and lowered back onto thetop end 101 of the spring. This has the effect that thetop end 101 of the spring is moved from thenarrow slot 123, which immediately engages theend 101 upon rotation in either direction, to the middle of thefree walk groove 124 which spans 180° so that theend 101 can freely travel through thisfree walk groove 124, i.e. the spring no longer performs its self-closing function in neither direction of opening the hinge. Once the desired new position/orientation of thepre-tensioning member 103 is set, in step VII the lockingscrew 106 is screwed back into its hole and into the positioning slot of thepre-tensioning member 103 which is now in front of it. Finally, thehinge lock 110 is released in step IIX and the hinge can be moved back to the closed position in step IX. - By the construction of the
pre-tensioning member 103 with the stepwise adaptability of its position in steps of 90° and thenarrow slot 123 and the 180°free walk groove 124, the following possibilities are achieved: - self-closing in both directions (
spring end 101 held inslot 123 and pre-tension in the closed position set to about zero), - self-closing from the first open position towards the closed position only (
spring end 101 held in thegroove 124, such that it is located at one end of thegroove 124 in the closed position), - self-closing from the second open position towards the closed position only (
spring end 101 held in thegroove 124, such that it is located at the other end of thegroove 124 in the closed position), - self-closing in neither direction (
spring end 101 held in thegroove 124, such that it is located substantially in the middle in the closed position). - The possibility in the pivot hinge of
figures 2 and3 to set the self-closing function in one direction only is extremely advantageous. In this way, provided that two complementary pivot hinges are used on opposite sides (e.g. top and bottom) of the rotatable element, the self-closing function of the rotatable element in one direction is achieved by the one pivot hinge while the other does not counteract. For example infigure 1 the pivot hinges 2 and 3 can be set such that closing thedoor 1 in one direction is performed by thetop hinge 2 while thebottom hinge 3 is in the free walk state and closing thedoor 1 in the other direction is performed by thebottom hinge 3 while thetop hinge 2 is in the free walk state. - The hinge of
figures 2 and3 is further provided with adjustment screws for adjusting the position of theflat part 121 with respect to thespring housing 107 and hence the position of the rotatable element with respect to its opening. Thescrews 105 which fix theseparts flat part 121 and thespring housing 107. This gap is maintained by the spiral pressure springs 122. In case spacer screws 120 are placed, a minimal gap is defined. The adjustment in depth direction is always possible since thescrews 105 are accessible even when the hinge is in use. The adjustment is shown in detail infigure 6 : in step I the hinge is moved to the open position, in step II thehinge lock 110 is operated to lock the hinge in the open position and in step 11 thescrews 105 are operated by means of a suitable tool to adjust the gap between thescrew housing 107 and theflat part 121. In this way, infigure 1 the gaps D1 and D2 between thedoor 1 and the lateral parts of theframe 4 can be adjusted. - By means of
height adjustment screw 104 which has a cone-shaped tip, a slight adjustment in height direction can be made. This is shown in detail infigure 7 : by turning thescrew 104 towards theflat part 121, the slanted side of the cone-shaped tip will cause theflat part 121 and hence the rotatable element to be slightly raised. In this way, infigure 1 the gaps H1 and H2 between respectively the top part of theframe 4 and the top side of thedoor 1 and the bottom side of thedoor 1 and the floor can be adjusted. - As shown in
figures 2 and3 , thehinge lock 110 is suspended in thespring housing 107 by means of ahinge lock spindle 119. This spindle also carries ahinge lock spring 111, located behind thehinge lock 110. The function is described with reference tofigure 8 , again with consecutive steps numbered by roman numbers. In step I, the hinge is moved to the (first) open position. Thehinge lock 110 is pressed in step II, causing a corrugated part of it to enter and engage in a complementary hole in thehinge spindle 117 which is specifically provided for this purpose, thereby blocking the hinge in the open position. Step III represents a slight movement of the first part of the hinge beyond the open position, which causes thehinge lock 110 to be released. Step IV represents that thehinge lock spring 111 makes sure that thehinge lock 110 returns to its original position. Finally, step V is the returning of the hinge to the closed position. - In alternative embodiments, the hinge lock may be any type of sliding or revolving lock. The
hinge lock 110 shown in the figures has a bore which provides user access to the underlying mountingscrew 105 and to thehinge spindle 117 for lubrication, but aremovable hinge lock 110 would also fulfil this purpose. - Another integrated function of the pivot hinge of
figures 2 and3 is that of a stop at the first open position (e.g. +90°) and/or the second open position (e.g. -90°). This is achieved by means of astop member 118, which is a leaf spring mounted on thebase 113 of the hinge. The operation is explained by means offigure 9 which again shows consecutive steps using roman numbers. Step I represents that initially in the closed position thestop member 118 is slightly depressed by the bottom side of thespring housing 107, since the bottom side presses on an upwards protrudingridge 126 of thestop member 118. Steps II and III consecutively show what happens when the hinge reaches the (first) open position. In the bottom side of the spring housing 107 anotch 125 is provided for accommodating theridge 126. Step II shows that thisnotch 125 approaches theridge 126 when the hinge is opened. Once the fully open position is reached in step III, theridge 126 enters thenotch 125 so that thestop member 118 springs upwards to its neutral position. As a result, theend ridge 127 is moved in front of the side of thespring housing 107, stopping the rotation of thespring housing 107 at about 90°. At the bottom offigure 9 it is shown that thestop member 118 has a symmetrical structure and function: on the left it is shown that theend ridge 127 stops thespring housing 107 at about +90° and hence defines the first open position; on the right it is shown that theend ridge 128 at the opposite side stops thespring housing 107 at about -90° and hence defines the second open position. The angles of about +90° and -90° at which thestop member 118 stops the rotation of the hinge may of course be varied. In other words, the angles between the first and second open positions and the closed position may be any suitable angles. In order to vary these angles, it is sufficient to replace thestop member 118 of the figures with another stop member having ridges for stopping the rotation at the desired angles. - The
base 113 of the hinge can, on the one hand, be fixed to the floor or more generally the top and bottom sides of the opening in which the rotatable element is mounted. This fixing is quite simply achieved by means of afloor mounting screw 117 which is inserted through a hole in the base 113 into a bore in the floor. A number ofshock absorbers 115 are then inserted on the bottom side of the base. On the other hand, thebase 113 of the hinge can also be fixed to alateral frame part 4 with a complementary shape. This is achieved by means of an upstanding part and acounterpart 114, which are both wedge-shaped with complementary slanted contact surfaces and corrugated outer surfaces, and are joined together by means of atensioning bolt 112. As a result of the wedge shapes, both parts are clamped in two or three dimensions in a corresponding groove of thelateral frame part 4. The operation of this mechanism is shown infigure 10 . In step I the upstanding part of thebase 113 is brought into theframe part 4. In step II thecounterpart 114 is brought into theframe part 4 above the upstanding part of thebase 113. Step III shows that the mounting height of the pivot hinge in theframe part 4 can be chosen as desired (see also references P1 and P2 infigure 1 ) or to adjust the height of the rotatable element in its opening to a larger extent. Once the desired height is set, thetensioning bolt 112 is inserted and tensioned by means of a suitable tool (step IV), as a result of which theparts frame part 4. In alternative embodiments, thebase 113 may be provided with more common flanges for fixing the pivot hinge onto walls, floors, ceilings etc. - From the above it is clear that the pivot hinge of
figures 2 and3 fulfils a lot of integrated functions, among which: - fixture of the pivot hinge by clamping in a
corresponding door frame 4 at a random or fully selectable height (Fig. 1 : P1 and P2), without requiring additional fixing means other than the wedge-shaped upstanding part of the base 113 withcounterpart 114 andtensioning bolt 112; - integrated height adjustment of the
rotatable element 1 after mounting in itsframe 4 by means of height adjustment screw 104 (Fig. 1 : H1 and H2); - integrated depth adjustment of the
rotatable element 1 after mounting in itsframe 4 by means of depth adjustment screws 105 (Fig. 1 : D1 and D2); - integrated stop which limits the rotation of the rotatable element beyond given angles, namely stop
member 118; - integrated self-closing function by means of the
spring 100 with adjustable pre-tension and possibility of disablement in one or both directions provided byrepositionable pre-tensioning member 103; -
integrated hinge lock 110 for locking therotatable element 1 in one or both open positions. - Preferably, the following materials are used for constructing the various parts of the pivot hinge of
figures 2 and3 , but any other materials known to the person skilled in the art are of course possible: - base 113 and counterpart 114: duplex steel,
- spring housing 107: plastic material with sound isolation properties,
- pre-tensioning
member 103 and spring fixing member 109: aluminium or stainless steel, - hinge lock 110: duplex or resilient steel,
- flat part 121: aluminium,
-
spring 100 and spiral pressure springs 122: stainless steel, -
stop member 118 and hinge lock spring 111: resilient steel, - shock absorbers 115: silicon.
-
Figure 11 shows a second embodiment of a pivot hinge according to the invention. In this embodiment, the top and bottom ends 201, 202 of the spring are respectively permanently welded to thepre-tensioning member 204 and thespring fixing member 209, which is in fact the same constructional part as thepre-tensioning member 204 but turned upside down and rotated over an angle De, seefigure 12 . Assembled in the spring housing 207 of the hinge, thespring fixing member 209 is fixed to thebase 213 and thepre-tensioning member 204 is fixed to the spring housing by means of the lockingscrew 206 which engages in thegroove 224 in the side of thepre-tensioning member 204. The angle De, i.e. the difference in orientation between the twoparts screw 206, rotating thepre-tensioning member 204 over a full 360° and re-locking the orientation by means of the lockingscrew 206. - In the closed position, the locking
screw 206 is located at an extremity of thegroove 224. The hinge is bidirectional, but thetop end 201 of the spring is only rotated along with the spring housing in one direction; in the other direction thegroove 224 forms a free walk groove through which the lockingscrew 206 travels, so that thetop end 201 of the spring is not rotated along. As a result, the hinge offigure 11 is a bidirectional hinge with a self-closing function in one direction and a free walk function in the other direction. In this way, for example by using two of these pivot hinges as thehinges figure 1 , a self-closingdoor 1 is achieved of which the self-closing function in each direction is provided by a different hinge while the other does not counteract. - If desired, the self-closing function of the hinge of
figure 11 can be fully disabled, simply by removing the lockingscrew 206. - The other parts of the second embodiment of the hinge largely correspond to those of the first embodiment and will therefore not be described in detail again. Among others, the following parts can be distinguished in
figure 11 : one of the mounting and depth adjustment screws 205, thehinge lock 210, thehinge base 213 withcounterpart 214, thefloor mounting screw 216, thehinge spindle 217 and thestop member 218. - The third embodiment shown in
figures 13-18 comprises an adjustment mechanism by which the pre-tension on thespring 300 can be more finely adjusted. The pre-tensioning member 203 meshes with theteeth 334 of adriving gear 332, which is provided for being rotated by means of a suitable tool through a hole in thespring housing 307. In the same way as in the first embodiment, a lockingscrew 306 is provided for engaging in one of a plurality of radially extendingpositioning slots 335, but there are more positioning slots in this third embodiment. Also, thedriving gear 332 facilitates the adjustment of the orientation of thepre-tensioning member 303. - The
pre-tensioning member 303 engages thetop end 301 of thespring 300, whereas thebottom end 302 is engaged by aspring fixing member 309, which is fixed to thespindle 317 by means of a lockingscrew 308 and has aslot 325 for holding thebottom end 302 of thespring 300. - As shown in
figure 17 , the pre-tensioningmember 303 is, like in the first embodiment, provided with anarrow slot 323 for engaging thetop end 301 of the spring in either direction and a widefree walk slot 324 for enabling free movement of thetop end 301 of the spring with respect to thepre-tensioning member 303. As a result, the self-closing function of the hinge can again be selectively disabled in one or both directions by repositioning thepre-tensioning member 303 on thetop end 301 of thespring 300. - Another difference of the third embodiment with respect to the first embodiment is the
mechanism 330 for adjusting the position of theflat part 321 with respect to thespring housing 307 in height direction. Thismechanism 330 is separate from thespring housing 307 and is pre-mounted on theflat part 321 by means of ascrew 331. The height adjustment is activated when thescrew 331 is loosened, so that displacements of themechanism 330 with respect to theflat part 321 are enabled. The adjustment can then be made by means of theheight adjustment screw 304 with cone-shaped tip, which is mounted eccentric with respect to thehole 337 in theflat part 321. Screwing theheight adjustment screw 304 deeper into the hole causes theflat part 321 and hence therotatable element 1 fixed to it to be lifted, which is also enabled by an amount of play around the mountingscrew 305 which mounts thespring housing 307 to theflat part 321 and by theopen sleeve 336 at the top side of themechanism 330. The advantage of this mechanism, separate from thespring housing 307, is that the height adjustment is no longer linked to the depth adjustment, which greatly facilitates the making of these adjustments as they can be made independent from each other. Furthermore, as shown infigure 18 , theheight adjustment mechanism 330, pre-mounted on theflat part 321, facilitates the fixing of arotatable element 1 to the hinge. Once theflat part 321 is fixed onto the rotatable element, the rotatable element is simply rested on the hinge by placing themechanism 330 on top of thehousing 307. The holes for the mountingscrews 305 are thereby more easily brought in front of the mounting screws 305. - The other parts of the third embodiment of the hinge largely correspond to those of the first embodiment and will therefore not be described in detail again. Among others, the following parts can be distinguished in
figure 13 : the mounting and depth adjustment screws 305, thehinge lock 310 withspring 311 andspindle 319, thehinge base 213 withcounterpart 214 andtensioning bolt 312,shock absorbers 315, thefloor mounting screw 316 with anut 333 which can be used for fixing the hinge to an upper frame part of a door frame, thehinge spindle 317, spacer screws 320 and spiral pressure springs 322. -
Figure 20 shows a fourth embodiment of a pivot hinge according to the invention. In this embodiment, the top and bottom ends 401, 402 of the spring are respectively held by apre-tensioning member 403 and aspring fixing member 409, which are together provided for imposing a minimal predetermined pre-tension on thespring 400, like in the second embodiment. The difference here is that the predetermined pre-tension is selectable upon assembling the hinge. To this end, thespring fixing member 409 comprises a plurality of slots 441-444, radially displaced with respect to each other, for engaging thebottom end 402 of thespring 400. Each of these slots 441-444 defines a different pre-tension. - Another difference here is in the pre-tensioning member, which is shaped for selectively engaging the
top end 401 of thespring 400 either in one direction or in the other direction, so to achieve a hinge with a self-closing function in one direction and a free walk function in the opposite direction, the functions being switchable with respect to each other. To this end, the lower part of thepre-tensioning member 403 comprises a peripheral groove spanning 180° of rotation of the hinge, a throughbore 405 for inserting a lockingscrew 406 from either side, and a marking 404 on the top side for indicating the orientation of thepre-tensioning member 403 to the installer. In order to switch the functions, the installer unscrews the lockingscrew 406, rotates thepre-tensioning member 403 over 180° to bring thetop end 401 of the spring at the opposite extremity of the peripheral groove and then reintroduces the lockingscrew 406 in thebore 405 to fix the orientation. - The other parts of the fourth embodiment of the hinge largely correspond to those of the first embodiment and will therefore not be described in detail again. Among others, the following parts can be distinguished in
figure 20 : thespring housing 407, thespring fixing screw 408, thehinge lock 410 withspring 411 andspindle 419, thehinge base 413, thehinge spindle 417, thestop member 418 and thenut 433 which is used when fixing the hinge to a top frame part of a door frame. -
Figures 21 and 22 show alternative embodiments for the stop for stopping rotation of the hinge beyond the first and second open positions. The embodiment offigure 21 is used in the second embodiment of the hinge offigure 11 and the fourth embodiment offigure 20 and comprises a sheetmetal stop member 218 withend ridges 227. The embodiment offigure 22 is used in the third embodiment of the hinge offigures 13-14 and has anend ridge 327 which is integrated on thehinge base 313. The embodiment offigure 21 has the advantage that thestop member 218 can be removed from the hinge if it is not necessary, for example if it is desired to have a door which can be swung open further. The embodiment offigure 22 has the advantage that one less constructional part is needed. - In embodiments described above, the pre-tension of the spring is after installation adjustable by repositioning the pre-tensioning member with respect to the spring housing, i.e. by means of an adjustment at the top end of the spring. In alternative embodiments, adjusting mechanisms for this purpose could also be provided at the bottom end of the spring, for example mechanisms enabling in some way adjustment of the orientation of the spring fixing member with respect to the base spindle.
-
- 1
- door / rotatable element
- 2
- pivot hinge
- 3
- pivot hinge
- 4
- frame
- 100
- spring
- 101
- first end
- 102
- second end
- 103
- pre-tensioning member
- 104
- height adjustment screw
- 105
- mounting & depth adjustment screw
- 106
- locking screw
- 107
- spring housing
- 108
- locking screw
- 109
- spring fixing member
- 110
- hinge lock
- 111
- hinge lock spring
- 112
- hinge base tensioning bolt
- 113
- hinge base
- 114
- hinge base counterpart
- 115
- shock absorber
- 116
- floor mounting screw
- 117
- hinge spindle
- 118
- stop member
- 119
- hinge lock spindle
- 120
- spacer screw
- 121
- flat part
- 122
- spiral pressure spring
- 123
- slot
- 124
- free walk groove
- 125
- notch
- 126
- ridge
- 127
- end ridge
- 128
- end ridge
- 200
- spring
- 201
- first end
- 202
- second end
- 204
- pre-tensioning member
- 205
- mounting & depth adjustment screw
- 206
- locking screw
- 209
- spring fixing member
- 210
- hinge lock
- 213
- hinge base
- 214
- hinge base counterpart
- 216
- floor mounting screw
- 217
- hinge spindle
- 218
- stop member
- 224
- groove
- 227
- end ridge
- 300
- spring
- 301
- first end
- 302
- second end
- 303
- pre-tensioning member
- 304
- height adjustment screw
- 305
- mounting & depth adjustment screw
- 306
- locking screw
- 307
- spring housing
- 308
- locking screw
- 309
- spring fixing member
- 310
- hinge lock
- 311
- hinge lock spring
- 312
- hinge base tensioning bolt
- 313
- hinge base
- 314
- hinge base counterpart
- 315
- shock absorber
- 316
- floor mounting screw
- 317
- hinge spindle
- 319
- hinge lock spindle
- 320
- spacer screw
- 321
- flat part
- 322
- spiral pressure spring
- 323
- slot
- 324
- free walk groove
- 325
- slot
- 327
- end ridge
- 330
- height adjustment mechanism
- 331
- screw
- 332
- driving gear
- 333
- nut
- 334
- teeth
- 335
- positioning slots
- 336
- open sleeve
- 337
- hole
- 400
- spring
- 401
- first end
- 402
- second end
- 403
- pre-tensioning member
- 404
- marking
- 405
- through bore
- 406
- locking screw
- 407
- spring housing
- 408
- locking screw
- 409
- spring fixing member
- 410
- hinge lock
- 411
- hinge lock spring
- 413
- hinge base
- 415
- shock absorber
- 417
- hinge spindle
- 419
- hinge lock spindle
- 441
- slot
- 442
- slot
- 443
- slot
- 444
- slot
Claims (8)
- A self-closing pivot hinge for rotatably mounting a rotatable element (1), such as for example a door, a window or the like, in an opening (4), the pivot hinge comprising:- a first part (107; 307; 407) attachable to the rotatable element and a second part (113; 213; 313; 314) attachable to a side of the opening, the first and second parts being rotatable with respect to each other about a rotation axis from a closed position in which the rotatable element closes off the opening to at least a first open position;- a spring (100; 200; 300; 400) mounted along the rotation axis
and providing a self-closing function to the pivot hinge; characterised in that the second part (113; 213; 313; 413) of the pivot hinge comprises a wedge-shaped upstanding part and a wedge-shaped counterpart (114; 214; 314), joined together by means of a tensioning bolt (112; 312), for clamping the pivot hinge on a selectable height in a corresponding groove of a frame part (4) provided on the side of the opening. - A self-closing pivot hinge according to claim 1, characterised in that the upstanding part and the counterpart have complementary slanted contact surfaces and corrugated outer surfaces.
- A self-closing pivot hinge according to any one of the previous claims, characterised in that the hinge is provided for being opened in a first direction towards the first open position and in a second direction, opposite the first direction, towards a second open position.
- A self-closing pivot hinge according to any one of the previous claims, characterised in that the first part of the hinge is provided with user accessible adjustment means (104, 105; 330, 305) for adjusting the position of the rotatable element fixed to the first part in height and/or depth direction.
- A self-closing pivot hinge according to any one of the previous claims, characterised in that the pivot hinge comprises an integrated hinge lock (110; 210; 310; 410) for locking the hinge in the/each open position.
- A self-closing pivot hinge according to any one of the previous claims, characterised in that the pivot hinge comprises an integrated stop member (118; 218; 327; 418) for stopping the rotation at the/each open position.
- A self-closing pivot hinge according to any one of the previous claims, characterised in that the first part comprises a spring housing (107; 307; 407) which substantially completely encloses the spring and is constructed in a sound isolating material.
- A combination comprising- a rotatable element (1), such as for example a door, a window or the like, provided for being mounted in an opening,- at least one frame part (4) provided for being mounted on a side of the opening and- at least one hinge for rotatably mounting the rotatable element (1)
to the frame part (4), characterised in that the/each hinge is a self-closing pivot hinge according to any one of the claims 1-7 and in that the/each frame part (4) comprises a corresponding groove for clamping the wedge-shaped upstanding part and counterpart (114; 214; 314) of the pivot hinge on a selectable height.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BE200600397 | 2006-07-19 | ||
EP07787749A EP2049755A1 (en) | 2006-07-19 | 2007-07-19 | Self-closing pivot hinge |
Related Parent Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP07787749A Division EP2049755A1 (en) | 2006-07-19 | 2007-07-19 | Self-closing pivot hinge |
EP07787749.6 Division | 2007-07-19 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2312105A1 true EP2312105A1 (en) | 2011-04-20 |
EP2312105B1 EP2312105B1 (en) | 2015-07-08 |
Family
ID=38596047
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP07787749A Withdrawn EP2049755A1 (en) | 2006-07-19 | 2007-07-19 | Self-closing pivot hinge |
EP10191416.6A Active EP2312105B1 (en) | 2006-07-19 | 2007-07-19 | Self-closing pivot hinge |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP07787749A Withdrawn EP2049755A1 (en) | 2006-07-19 | 2007-07-19 | Self-closing pivot hinge |
Country Status (2)
Country | Link |
---|---|
EP (2) | EP2049755A1 (en) |
WO (1) | WO2008009736A1 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE1018223A3 (en) * | 2008-07-18 | 2010-07-06 | Liexco Sa | SELF-CLOSING PIVOT HINGE. |
KR102073004B1 (en) * | 2013-04-12 | 2020-02-04 | 삼성전자주식회사 | Refrigerator |
CN110469225B (en) * | 2019-09-23 | 2023-12-01 | 滦州市捷澳建材有限公司 | Power structure for fireproof window and installation mode thereof |
CN110761641B (en) * | 2019-11-28 | 2023-06-23 | 安道拓(重庆)汽车部件有限公司 | Box cover overturning hinge mounting structure |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3825973A (en) * | 1973-01-18 | 1974-07-30 | Mc Kenney Mfg Co | Adjustable door hinge containing coil spring |
DE2329240A1 (en) * | 1973-06-08 | 1975-01-02 | Ver Baubeschlag Gretsch Co | Universal door guide with swivel axis - adjustable to different door frame profiles is inserted into hollow profile in frame |
US3898708A (en) * | 1974-12-30 | 1975-08-12 | Mckinney Mfg Co | Door hinge adjustable closing spring |
GB2158872A (en) * | 1984-05-16 | 1985-11-20 | Jong Sun Jo | Hinge |
DE8717576U1 (en) * | 1987-12-08 | 1989-03-09 | ANUBA-Beschläge X. Heine & Sohn GmbH, 7741 Vöhrenbach | Hinge band |
EP0445559A1 (en) | 1990-03-06 | 1991-09-11 | KERMI GmbH | Self-closing door hinge |
EP0645517B1 (en) | 1993-08-24 | 2001-11-14 | Liexco S.A. | Door and jambs and jamb-linings pertaining thereto |
WO2004038145A1 (en) * | 2002-10-23 | 2004-05-06 | Pauli + Sohn Gmbh Metallwaren | Joint hinge |
EP1619334A2 (en) * | 2004-07-22 | 2006-01-25 | Dr. Hahn GmbH & Co. KG | Hinge for doors, windows or similar |
DE102004054530A1 (en) * | 2004-11-05 | 2006-05-18 | Mario Hinz | Hinge locking mechanism for all types of hinges comprises a mechanism directly integrated into a hinge to be fix a door and/or window |
-
2007
- 2007-07-19 WO PCT/EP2007/057494 patent/WO2008009736A1/en active Application Filing
- 2007-07-19 EP EP07787749A patent/EP2049755A1/en not_active Withdrawn
- 2007-07-19 EP EP10191416.6A patent/EP2312105B1/en active Active
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3825973A (en) * | 1973-01-18 | 1974-07-30 | Mc Kenney Mfg Co | Adjustable door hinge containing coil spring |
DE2329240A1 (en) * | 1973-06-08 | 1975-01-02 | Ver Baubeschlag Gretsch Co | Universal door guide with swivel axis - adjustable to different door frame profiles is inserted into hollow profile in frame |
US3898708A (en) * | 1974-12-30 | 1975-08-12 | Mckinney Mfg Co | Door hinge adjustable closing spring |
GB2158872A (en) * | 1984-05-16 | 1985-11-20 | Jong Sun Jo | Hinge |
DE8717576U1 (en) * | 1987-12-08 | 1989-03-09 | ANUBA-Beschläge X. Heine & Sohn GmbH, 7741 Vöhrenbach | Hinge band |
EP0445559A1 (en) | 1990-03-06 | 1991-09-11 | KERMI GmbH | Self-closing door hinge |
EP0645517B1 (en) | 1993-08-24 | 2001-11-14 | Liexco S.A. | Door and jambs and jamb-linings pertaining thereto |
WO2004038145A1 (en) * | 2002-10-23 | 2004-05-06 | Pauli + Sohn Gmbh Metallwaren | Joint hinge |
EP1619334A2 (en) * | 2004-07-22 | 2006-01-25 | Dr. Hahn GmbH & Co. KG | Hinge for doors, windows or similar |
DE102004054530A1 (en) * | 2004-11-05 | 2006-05-18 | Mario Hinz | Hinge locking mechanism for all types of hinges comprises a mechanism directly integrated into a hinge to be fix a door and/or window |
Also Published As
Publication number | Publication date |
---|---|
EP2312105B1 (en) | 2015-07-08 |
EP2049755A1 (en) | 2009-04-22 |
WO2008009736A1 (en) | 2008-01-24 |
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