EP1167675B1 - Automatic sliding door opening/closing system - Google Patents
Automatic sliding door opening/closing system Download PDFInfo
- Publication number
- EP1167675B1 EP1167675B1 EP00113485A EP00113485A EP1167675B1 EP 1167675 B1 EP1167675 B1 EP 1167675B1 EP 00113485 A EP00113485 A EP 00113485A EP 00113485 A EP00113485 A EP 00113485A EP 1167675 B1 EP1167675 B1 EP 1167675B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- belt
- sliding door
- door opening
- automatic sliding
- drive system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 230000000712 assembly Effects 0.000 claims description 4
- 238000000429 assembly Methods 0.000 claims description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F15/00—Power-operated mechanisms for wings
- E05F15/40—Safety devices, e.g. detection of obstructions or end positions
- E05F15/41—Detection by monitoring transmitted force or torque; Safety couplings with activation dependent upon torque or force, e.g. slip couplings
-
- 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
- E05F15/00—Power-operated mechanisms for wings
- E05F15/60—Power-operated mechanisms for wings using electrical actuators
- E05F15/603—Power-operated mechanisms for wings using electrical actuators using rotary electromotors
- E05F15/632—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for horizontally-sliding wings
- E05F15/643—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for horizontally-sliding wings operated by flexible elongated pulling elements, e.g. belts, chains or cables
- E05F15/646—Power-operated mechanisms for wings using electrical actuators using rotary electromotors for horizontally-sliding wings operated by flexible elongated pulling elements, e.g. belts, chains or cables allowing or involving a secondary movement of the wing, e.g. rotational or transversal
-
- 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
- E05Y2900/50—Application of doors, windows, wings or fittings thereof for vehicles
- E05Y2900/53—Type of wing
- E05Y2900/531—Doors
Definitions
- This invention relates to the field of automative door opening and closing systems, and particularly to an integrated system of components that transport an automotive sliding door through its range of motion while providing adequate user safety. as shown for example in DE-A-19 828 393.
- Vans Sliding doors are widely used on the class of vehicles generally referred to as vans. Vans typically have normal swinging front doors and one or more sliding side doors. These types of sliding doors translate out of the side opening in the vehicle to facilitate ingress/egress rather than rotating, as is the more common motion of automotive closures.
- the most common and widely used sliding door system consists of three body-mounted tracks (3) and three corresponding door-mounted hinge/roller assemblies (15), as illustrated in Figures 4 and 5.
- the body mounted tracks are normally located at the roof, floor and mid-positions on the side of the vehicle with the roof-position and floor-position components being arranged in-line with the door opening and the mid-position (centre) track located rearward of the side opening. It is normal practice to utilize the lower and centre tracks to carry the vertical weight of the door.
- the travel path of the door is therefore defined by the track shape and articulation of the hinge/roller assemblies.
- the present invention is targeted at reducing the complexity of automatic sliding door opening/closing systems. It specifically eliminates electronic obstruction detection by utilizing a mechanical arrangement and additionally provides uncompromised manual performance by completely decoupling the power system.
- an automatic sliding door opening/closing system comprises a continuous, powered belt drive system located on a vehicle body; and a clamp arrangement capable of fixably attaching a vehicle door to the belt drive system so as to be automatically driven along a predetermined path and capable of releasing under predetermined conditions.
- the powered belt drive system is located so as to be combined with one of a standard hinge system's three body tracks.
- the clamp arrangement is attached directly to one of the standard door hinge/roller assemblies on the door.
- the clamp arrangement is a rotary device biased into a pinching action on the belt via a cam and spring arrangement, and the rotary device is arranged so as to release from the belt at a predetermined force threshold.
- the powered belt drive system incorporates two belt tensioning devices, located on opposite sides of the clamp arrangement, capable of providing the required belt slack to facilitate movement of the rotary clamping device into a pinching engagement with the belt.
- a continuous belt drive system (1) is located so as to be combined with one of the three body mounted tracks (3) (see also Figures 2, 4 and 5) utilized in conventional automotive sliding door systems.
- This drive system comprises a continuous-loop belt (5), electrical motor (7) and drive pulley (9), two belt-tensioning devices (11) and a number of idlers (13) used for belt routing. Idlers are typically unpowered, rotatable pulleys.
- the belt drive system is configured so that the belt (5) rides over a roller (21) and is exposed on the outer side of the track (3) so that it is adjacent to the corresponding door mounted hinge/roller assembly (15).
- the belt drive system is configured to be driven by the electrical motor (7) in both directions.
- This clamp is configured so that it can be biased to pinch the belt into a clamping condition against the roller (21) so that when the belt is driven by the motor (7) the door (19) is drawn along the path defined by the hinge/roller/track configuration.
- the clamp (17) is biased so that it is held in the pinch condition until a predetermined belt load is exceeded, at which point it moves out of the pinch condition and releases the door (19) from the belt drive system (1).
- the clamp (17) is in the non-pinch condition, the door (19) can be moved along the path defined by the hinge/roller/track configuration with no interaction with the belt drive system (1).
- a power actuator (not shown) is configured to move the clamp (17) back into the pinch condition with the belt (5).
- the belt drive system has the capability to pull the door into the first position of the main door latch (i.e. the secondary latched position) and a power pull-in latch (not shown) is used to achieve full primary latching.
- An electronic control system and associated sensing transducers (not shown) are used to co-ordinate and actuate the belt drive motor (7), clamp actuator and main latch.
- the clamp (17) comprises a rotary device which is biased into the belt pinch position via a cam (22) interacting with a ball (25) and compression spring (27).
- the compression spring (27) pushes the ball (25) into a cam pocket (23), integral with the rotary clamp which maintains the device in the pinch position.
- the surface of the clamp (17) that engages the belt (5) in the pinch position incorporates serrations (29) which enhance the pinching action and minimize the possibility of slippage between the belt (5) and clamp (17).
- the rotary clamp (17) disengages from the belt (5) when an obstruction in the path of the door (19) causes the belt load to exceed a predetermined threshold.
- the threshold load is defined by the cam profile, spring force and spring pre-compression.
- a power actuator is attached to the hinge/roller assembly which rotates the clamp (17) back into the pinch condition with the belt (5) upon receiving an electromagnetically-communicated command, such as from a push button located within the van, or from a key fob button.
- the belt drive system must be capable of providing the necessary belt slack to allow the rotary clamp (17) to fully rotate to the pinch position.
- This belt slack is provided by two belt tensioning devices (11), located on opposite sides of the clamp arrangement, which are capable of providing belt slack when the system is not driving the door but can lock when required to transmit belt load. An additional function of these tensioners is to compensate for belt stretch as the system is subjected to prolonged usage.
- the rotary clamp system may also be utilized in conjunction with a power pull-in latch, electronic control system and associated sensing transducers.
- the clamp system is designed to disengage when the door reaches its fully open or fully closed positions by reacting to the overload condition in the same way as in the case of an obstruction.
- the system remains in a manual mode until it receives a signal to operate automatically. This signal initially causes the main latch to disengage (when in the closed position) followed by the actuator engaging the belt clamp into the pinch position and finally by running the belt drive motor until either an obstruction or full motion causes the clamp to release.
Landscapes
- Power-Operated Mechanisms For Wings (AREA)
Abstract
Description
- This invention relates to the field of automative door opening and closing systems, and particularly to an integrated system of components that transport an automotive sliding door through its range of motion while providing adequate user safety. as shown for example in DE-A-19 828 393.
- Sliding doors are widely used on the class of vehicles generally referred to as vans. Vans typically have normal swinging front doors and one or more sliding side doors. These types of sliding doors translate out of the side opening in the vehicle to facilitate ingress/egress rather than rotating, as is the more common motion of automotive closures. The most common and widely used sliding door system consists of three body-mounted tracks (3) and three corresponding door-mounted hinge/roller assemblies (15), as illustrated in Figures 4 and 5. The body mounted tracks are normally located at the roof, floor and mid-positions on the side of the vehicle with the roof-position and floor-position components being arranged in-line with the door opening and the mid-position (centre) track located rearward of the side opening. It is normal practice to utilize the lower and centre tracks to carry the vertical weight of the door. The travel path of the door is therefore defined by the track shape and articulation of the hinge/roller assemblies.
- Power closing and opening of automotive sliding door systems has become a popular feature. The present state of the art involves use of electrically driven systems that power the door through the range of motion defined by the conventional hinge/roller/track system. The majority of such systems act on the centre hinge/roller/track assembly although some are integrated with the lower hinge/roller/track assembly. Both belt and cable drives are utilized. In addition to powering the door though its range of motion, these systems must provide protection against injury when obstructed during powered movement and normal manual operation capability when required.
- Current state of the art sliding door powered opening/closing systems use sophisticated electronic hardware and software algorithms to achieve acceptable levels of obstruction detection. The most common method of protection utilizes drive motor electrical current sensing to indicate when a person or other object is in the path of the closing door. The associated software algorithms are becoming increasingly sophisticated to coordinate hold-open latches, power pull-in latches, and other additional features. A major drawback of all existing art is that it does not provide manual operation performance equal to passive systems since some additional power related components are always engaged even when the sliding door is manually operated. Clutch disengagement upstream of the cable or belt drive is the most common manual operation mode, which adds significant operating load due to the associated friction with such mechanisms and operations.
- Accordingly, it would be advantageous to create a sliding door opening/closing system which does not suffer from the drag and friction associated with engagement of power related components even when the door is in manual operation.
- The present invention is targeted at reducing the complexity of automatic sliding door opening/closing systems. It specifically eliminates electronic obstruction detection by utilizing a mechanical arrangement and additionally provides uncompromised manual performance by completely decoupling the power system.
- In a major aspect of the invention, an automatic sliding door opening/closing system comprises a continuous, powered belt drive system located on a vehicle body; and a clamp arrangement capable of fixably attaching a vehicle door to the belt drive system so as to be automatically driven along a predetermined path and capable of releasing under predetermined conditions.
- In a further aspect, the powered belt drive system is located so as to be combined with one of a standard hinge system's three body tracks. In a further aspect, the clamp arrangement is attached directly to one of the standard door hinge/roller assemblies on the door. In a further aspect, the clamp arrangement is a rotary device biased into a pinching action on the belt via a cam and spring arrangement, and the rotary device is arranged so as to release from the belt at a predetermined force threshold. In a further aspect, the powered belt drive system incorporates two belt tensioning devices, located on opposite sides of the clamp arrangement, capable of providing the required belt slack to facilitate movement of the rotary clamping device into a pinching engagement with the belt.
- Further aspects of the invention will become apparent from the following description.
-
- Figure 1 is a plan cross-sectional view of the complete automatic sliding door opening/closing system of the invention.
- Figure 2 is a plan view in partial cross-section of the hinge/roller assembly and clamp of the invention.
- Figure 3 is a cross-sectional plan view of the clamp arrangement of the invention in an unclamped position.
- Figure 4 is a perspective view in partial cross-section illustrating a typical automotive sliding door system in the closed configuration.
- Figure 5 is a perspective view in partial cross-section illustrating a typical automotive sliding door system in the open configuration.
-
- In a preferred embodiment of the invention, referring to Figure 1, a continuous belt drive system (1) is located so as to be combined with one of the three body mounted tracks (3) (see also Figures 2, 4 and 5) utilized in conventional automotive sliding door systems. This drive system comprises a continuous-loop belt (5), electrical motor (7) and drive pulley (9), two belt-tensioning devices (11) and a number of idlers (13) used for belt routing. Idlers are typically unpowered, rotatable pulleys. The belt drive system is configured so that the belt (5) rides over a roller (21) and is exposed on the outer side of the track (3) so that it is adjacent to the corresponding door mounted hinge/roller assembly (15). The belt drive system is configured to be driven by the electrical motor (7) in both directions.
- A clamp (17), mounted on the hinge/roller assembly (15), interacts with the track (3) containing the belt drive system (1). This clamp is configured so that it can be biased to pinch the belt into a clamping condition against the roller (21) so that when the belt is driven by the motor (7) the door (19) is drawn along the path defined by the hinge/roller/track configuration. The clamp (17) is biased so that it is held in the pinch condition until a predetermined belt load is exceeded, at which point it moves out of the pinch condition and releases the door (19) from the belt drive system (1). When the clamp (17) is in the non-pinch condition, the door (19) can be moved along the path defined by the hinge/roller/track configuration with no interaction with the belt drive system (1). A power actuator (not shown) is configured to move the clamp (17) back into the pinch condition with the belt (5). The belt drive system has the capability to pull the door into the first position of the main door latch (i.e. the secondary latched position) and a power pull-in latch (not shown) is used to achieve full primary latching. An electronic control system and associated sensing transducers (not shown) are used to co-ordinate and actuate the belt drive motor (7), clamp actuator and main latch.
- In a preferred embodiment, referring to Figure 3, the clamp (17) comprises a rotary device which is biased into the belt pinch position via a cam (22) interacting with a ball (25) and compression spring (27). The compression spring (27) pushes the ball (25) into a cam pocket (23), integral with the rotary clamp which maintains the device in the pinch position. The surface of the clamp (17) that engages the belt (5) in the pinch position incorporates serrations (29) which enhance the pinching action and minimize the possibility of slippage between the belt (5) and clamp (17). The rotary clamp (17) disengages from the belt (5) when an obstruction in the path of the door (19) causes the belt load to exceed a predetermined threshold. The threshold load is defined by the cam profile, spring force and spring pre-compression. A power actuator is attached to the hinge/roller assembly which rotates the clamp (17) back into the pinch condition with the belt (5) upon receiving an electromagnetically-communicated command, such as from a push button located within the van, or from a key fob button. The belt drive system must be capable of providing the necessary belt slack to allow the rotary clamp (17) to fully rotate to the pinch position. This belt slack is provided by two belt tensioning devices (11), located on opposite sides of the clamp arrangement, which are capable of providing belt slack when the system is not driving the door but can lock when required to transmit belt load. An additional function of these tensioners is to compensate for belt stretch as the system is subjected to prolonged usage. The rotary clamp system may also be utilized in conjunction with a power pull-in latch, electronic control system and associated sensing transducers.
- The clamp system is designed to disengage when the door reaches its fully open or fully closed positions by reacting to the overload condition in the same way as in the case of an obstruction. The system remains in a manual mode until it receives a signal to operate automatically. This signal initially causes the main latch to disengage (when in the closed position) followed by the actuator engaging the belt clamp into the pinch position and finally by running the belt drive motor until either an obstruction or full motion causes the clamp to release.
Claims (5)
- An automatic sliding door opening/closing system (1) comprising:(a) a continuous, powered belt drive system having a motor (7) driven belt (5) and being located on a vehicle body; and being characterized by(b) a clamp arrangement (17) capable of fixably attaching a vehicle door to the belt (5) so as to be automatically driven along a predetermined path and capable of releasing under predetermined conditions.
- An automatic sliding door opening/closing system according to Claim 1, wherein the powered belt drive system is located so as to be combined with one of a standard hinge system's three body tracks.
- An automatic sliding door opening/closing system according to Claim 2, wherein the clamp arrangement is attached directly to one of the standard door hinge/roller assemblies on the door.
- An automatic sliding door opening/closing system according to one of Clalms 1, 2 or 3 wherein the clamp arrangement is a rotary device biased into a pinching action on the belt via a cam and spring arrangement, and the rotary device is arranged so as to release from the belt at a predetermined force threshold.
- An automatic sliding door opening/closing system according to Claim 4, wherein the powered belt drive system incorporates two belt tensioning devices, located on opposite sides of the clamp arrangement, capable of providing the required belt slack to facilitate movement of the rotary clamping device into a pinching engagement with the belt.
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ES00113485T ES2221823T3 (en) | 2000-06-26 | 2000-06-26 | AUTOMATIC SYSTEM OF OPENING / CLOSING OF SLIDING DOOR. |
EP00113485A EP1167675B1 (en) | 2000-06-26 | 2000-06-26 | Automatic sliding door opening/closing system |
AT00113485T ATE267329T1 (en) | 2000-06-26 | 2000-06-26 | AUTOMATIC DOOR OPENING/CLOSING SYSTEM |
DE60010876T DE60010876T2 (en) | 2000-06-26 | 2000-06-26 | Automatic door opening / closing system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP00113485A EP1167675B1 (en) | 2000-06-26 | 2000-06-26 | Automatic sliding door opening/closing system |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1167675A1 EP1167675A1 (en) | 2002-01-02 |
EP1167675B1 true EP1167675B1 (en) | 2004-05-19 |
Family
ID=8169068
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP00113485A Expired - Lifetime EP1167675B1 (en) | 2000-06-26 | 2000-06-26 | Automatic sliding door opening/closing system |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1167675B1 (en) |
AT (1) | ATE267329T1 (en) |
DE (1) | DE60010876T2 (en) |
ES (1) | ES2221823T3 (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1630342B1 (en) * | 2004-08-26 | 2010-09-29 | Aisin Seiki Kabushiki Kaisha | Vehicle door opening and closing device |
DE102006021643B4 (en) * | 2006-05-08 | 2009-10-29 | Belimed Technik Gmbh | Automatic sliding door for e.g. drying installation for treating accessory or laundry in e.g. hospital, has driver and spring moved relative to each other from resting position and actuating switch by change of distance between action parts |
US9234979B2 (en) | 2009-12-08 | 2016-01-12 | Magna Closures Inc. | Wide activation angle pinch sensor section |
US8493081B2 (en) | 2009-12-08 | 2013-07-23 | Magna Closures Inc. | Wide activation angle pinch sensor section and sensor hook-on attachment principle |
US9476245B2 (en) | 2014-08-29 | 2016-10-25 | Strattec Power Access Llc | Door cable pulley system |
JP2019111881A (en) * | 2017-12-21 | 2019-07-11 | 三井金属アクト株式会社 | Slide door support device |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1274194B (en) * | 1994-09-30 | 1997-07-15 | Selcom Spa | SAFETY RELEASE DEVICE IN LINEAR BELT OR ROPE TRANSMISSION FOR LIFT AND LIFT DOORS WITH AUTOMATIC OPENING |
DE19828393A1 (en) * | 1997-06-27 | 1999-01-07 | Asmo Co Ltd | Slide door actuation device for van |
FR2772066B1 (en) * | 1997-12-09 | 2000-02-25 | Ruchat Rene | SECURITY MECHANISM IN A MOTORIZED DEVICE FOR OPENING AND CLOSING A SLIDING DOOR OF A VEHICLE |
-
2000
- 2000-06-26 ES ES00113485T patent/ES2221823T3/en not_active Expired - Lifetime
- 2000-06-26 DE DE60010876T patent/DE60010876T2/en not_active Expired - Lifetime
- 2000-06-26 AT AT00113485T patent/ATE267329T1/en active
- 2000-06-26 EP EP00113485A patent/EP1167675B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP1167675A1 (en) | 2002-01-02 |
ES2221823T3 (en) | 2005-01-16 |
DE60010876T2 (en) | 2004-10-14 |
ATE267329T1 (en) | 2004-06-15 |
DE60010876D1 (en) | 2004-06-24 |
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