EP0464720A1
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Drive device of slide door
Assignee: Hi-Lex ACT Corp
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Filing: 1991-06-28
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Granted: —
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Expires: 2011-06-28
Abstract
Abstract A door drive device is disclosed, which comprises a guide rail (2) for defining in the body (1) of the vehicle a way along which the slide door (3) moves; first and second pulleys (17, 20) arranged at spaced positions of the vehicle body (1); an electric drive unit (8) for driving the first pulley (17); an endless belt (22) put around the first and second pulleys (17, 20) with a slack thereof; a bracket (23) for connecting a portion of the endless belt (22) to the door (3); and a tensioning device for tensioning the endless belt (22). Due to provision of the slack of the belt (22), various advantages are obtained particularly when the door drive device (8) of the invention is used in combination with other door controllers.
Inventors
- 👤 Soushichi c/o Ohi Seisakusho Co. Ltd. Koura
- 👤 June c/o Ohi Seisakusho Co. Ltd. Yamagishi
- 👤 Masaichi c/o Ohi Seisakusho Co. Ltd. Moriya
- 👤 Hirotaka c/o Ohi Seisakusho Co. Ltd. Nishizima
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-31 06:20
CPC Classifications
B; B60; B60J; B60J5/00; B60J5/04; B60J5/06; E; E05; E05F; E05F15/00; E05F15/60; E05F15/603; E05F15/632; E05F15/643; E05F15/646; E05Y; E05Y2201/00; E05Y2201/60; E05Y2201/622; E05Y2201/644; E05Y2201/652; E05Y2900/00; E05Y2900/50; E05Y2900/53; E05Y2900/531
Claims Analysis
Total Claims: 24
Claim 1
Independent Claim
110 words
A drive device for driving a slide door of a motor vehicle, comprising: guide means for defining in a body of said vehicle a way along which said slide door moves; first and second pulleys arranged at spaced positions of the vehicle body; drive means for driving said first pulley; a flexible endless belt means put around said first and second pulleys with a slack thereof; connecting means for connecting a portion of said endless belt means to said door; and auxiliary guide means mounted on said vehicle body between said first and second pulleys for guiding the movement of said flexible endless belt around said first and second pulleys.
Claim 2
Dependent Claim
110 words
A drive device for driving a slide door of a motor vehicle, comprising: guide means for defining in a body of said vehicle a way along which said slide door moves; first and second pulleys arranged at spaced positions of the vehicle body; drive means for driving said first pulley; a flexible endless belt means put around said first and second pulleys with a slack thereof; connecting means for connecting a portion of said endless belt means to said door; and auxiliary guide means mounted on said vehicle body between said first and second pulleys for guiding the movement of said flexible endless belt around said first and second pulleys.
Claim 3
Dependent Claim
31 words
A drive device as claimed in Claim 1, in which said auxiliary guide means is a tensioning means which tensions said flexible belt means in a manner to eliminate said slack.
Claim 4
Dependent Claim
30 words
A drive device as claimed in Claim 2, in which each of said first and second pulleys and said endless belt means are arranged to have a meshed engagement therebetween.
Claim 5
Dependent Claim
55 words
A drive device as claimed in Claim 3, in which each of said first and second pulleys has about a cylindrical outer surface a plurality of teeth, and in which said endless belt means is an endless belt which has a toothed inner surface operatively meshed with the teeth of said first and second pulleys.
Claim 6
Dependent Claim
42 words
A drive device as claimed in Claim 4, in which said drive means comprises: an electric motor; and a speed reduction gear powered by said electric motor, said speed reduction gear having an output shaft by which said first pulley is driven.
Claim 7
Dependent Claim
57 words
A drive device as claimed in Claim 4, in which said tensioning means is at least one tensioner which comprises: a tension roller having a cylindrical outer surface which is contactable with the toothed inner surface of said belt; and biasing means for biasing and pressing said tension roller against said toothed inner surface of said belt.
Claim 8
Dependent Claim
54 words
A drive device as claimed in Claim 6, in which said biasing means comprises: an arm having one end pivotally connected to the body of said vehicle and the other end rotatably holding said tension roller; and a spring for biasing said arm in a direction to press said tension roller against the belt.
Claim 9
Dependent Claim
29 words
A drive device as claimed in Claim 7, further comprising a stopper against which said arm abuts to restrict the tension applied to said belt by said tension roller.
Claim 10
Dependent Claim
36 words
A drive device as claimed in Claim 8, in which said connecting means comprises a bracket which has one end fixed to said door and the other end which tightly grasps the portion of said belt.
Claim 11
Dependent Claim
31 words
A drive device as claimed in Claim 9, in which said guide means comprises a guide rail which includes straight and curved portions which are integrally connected at a junction zone.
Claim 12
Dependent Claim
23 words
A drive device as claimed in Claim 10, in which said tensioning means is positioned near said junction zone of said guide rail.
Claim 13
Dependent Claim
22 words
A drive device as claimed in Claim 4, further comprising a guide roller for guiding the movement of said endless belt means.
Claim 14
Dependent Claim
152 words
A drive device for driving a slide door of a motor vehicle, comprising: a guide rail secured to a body of the vehicle for guiding movement of said slide door; first and second pulleys arranged at spaced portions of the vehicle body beside said guide rail; an endless belt put around said first and second pulleys with a slack thereof; means for providing a meshed engagement between each of said first and second pulleys and said endless belt; an electric motor for driving said first pulley; a speed reduction gear operatively interposed between said electric motor and said first pulley; a bracket secured to said slide door, said bracket having an end by which a portion of said endless belt is grasped; and auxiliary guide means mounted on said vehicle body between said first and second pulleys for guiding the movement of said flexible endless belt around said first and second pulleys.
Claim 15
Dependent Claim
152 words
A drive device for driving a slide door of a motor vehicle, comprising: a guide rail secured to a body of the vehicle for guiding movement of said slide door; first and second pulleys arranged at spaced portions of the vehicle body beside said guide rail; an endless belt put around said first and second pulleys with a slack thereof; means for providing a meshed engagement between each of said first and second pulleys and said endless belt; an electric motor for driving said first pulley; a speed reduction gear operatively interposed between said electric motor and said first pulley; a bracket secured to said slide door, said bracket having an end by which a portion of said endless belt is grasped; and auxiliary guide means mounted on said vehicle body between said first and second pulleys for guiding the movement of said flexible endless belt around said first and second pulleys.
Claim 16
Dependent Claim
21 words
A drive as claimed in Claim 13, in which said auxiliary guide means comprsies two tensioners for tensioning said endless belt.
Claim 17
Dependent Claim
51 words
A drive device as claimed in Claim 14, in which each of said first and second pulleys has about a cylindrical outer surface a plurality of teeth, and in which said endless belt has a toothed inner surface which is operatively meshed with the teeth of said first and second pulleys.
Claim 18
Dependent Claim
74 words
A drive device as claimed in Claim 14, in which each of said tensioners comprises: a tension roller having a cylindrical outer surface which is contactable with the toothed inner surface of said belt; an arm having one end pivotally connected to the body of said vehicle and the other end rotatably holding said tension roller; and a spring for biasing said arm in a direction to press said tension roller against the belt.
Claim 19
Dependent Claim
183 words
In a motor vehicle having a slide door, a door lock mounted in said slide door, said door lock having a latch plate which is engageable with a striker of a vehicle body to achieve a latched condition of said door; a door closure which shifts the door to its fully-closed latched position when the door comes to a half-latch position; a lock canceller which cancels the locked condition of said door lock when energized; and a drive device for driving the slide door, which comprises: guide means for defining in a body of said vehicle a way along which said slide door moves; first and second pulleys arranged at spaced positions of the vehicle body; drive means for driving said first pulley; a flexible endless belt means put around said first and second pulleys with a slack thereof; connecting means for connecting a portion of said endless belt means to said door; and auxiliary guide means mounted on said vehicle body between said first and second pulleys for guiding the movement of said flexible endless belt around said first and second pulleys.
Claim 20
Dependent Claim
183 words
In a motor vehicle having a slide door, a door lock mounted in said slide door, said door lock having a latch plate which is engageable with a striker of a vehicle body to achieve a latched condition of said door; a door closure which shifts the door to its fully-closed latched position when the door comes to a half-latch position; a lock canceller which cancels the locked condition of said door lock when energized; and a drive device for driving the slide door, which comprises: guide means for defining in a body of said vehicle a way along which said slide door moves; first and second pulleys arranged at spaced positions of the vehicle body; drive means for driving said first pulley; a flexible endless belt means put around said first and second pulleys with a slack thereof; connecting means for connecting a portion of said endless belt means to said door; and auxiliary guide means mounted on said vehicle body between said first and second pulleys for guiding the movement of said flexible endless belt around said first and second pulleys.
Claim 21
Dependent Claim
24 words
A drive device as claimed in Claim 17, in which said auxiliary guide means comprises tensioning means for tensioning said flexible endless belt means.
Claim 22
Dependent Claim
225 words
In a motor vehicle having a slide door, a door lock mounted in said slide door, said door lock having a latch plate which is engageable with a striker of a vehicle body to achieve a latched condition of said door; a door closure which shifts the door to its fully-closed latched position when the door comes to a half-latch position; a lock canceller which cancels the locked condition of said door lock when energized; and a drive device for driving the slide door, which comprises: a guide rail secured to a body of the vehicle for guiding movement of said slide door; first and second pulleys arranged at spaced portions of the vehicle body beside said guide rail; an endless belt put around said first and second pulleys with a slack thereof; means for providing a meshed engagement between each of said first and second pulleys and said endless belt; an electric motor for driving said first pulley; a speed reduction gear operatively interposed between said electric motor and said first pulley; a bracket secured to said slide door, said bracket having an end by which a portion of said endless belt is grasped; and auxiliary guide means mounted on said vehicle body between said first and second pulleys for guiding the movement of said flexible endless belt around said first and second pulleys.
Claim 23
Dependent Claim
225 words
In a motor vehicle having a slide door, a door lock mounted in said slide door, said door lock having a latch plate which is engageable with a striker of a vehicle body to achieve a latched condition of said door; a door closure which shifts the door to its fully-closed latched position when the door comes to a half-latch position; a lock canceller which cancels the locked condition of said door lock when energized; and a drive device for driving the slide door, which comprises: a guide rail secured to a body of the vehicle for guiding movement of said slide door; first and second pulleys arranged at spaced portions of the vehicle body beside said guide rail; an endless belt put around said first and second pulleys with a slack thereof; means for providing a meshed engagement between each of said first and second pulleys and said endless belt; an electric motor for driving said first pulley; a speed reduction gear operatively interposed between said electric motor and said first pulley; a bracket secured to said slide door, said bracket having an end by which a portion of said endless belt is grasped; and auxiliary guide means mounted on said vehicle body between said first and second pulleys for guiding the movement of said flexible endless belt around said first and second pulleys.
Claim 24
Dependent Claim
22 words
A drive device as claimed in Claim 19, in which said auxiliary guide means comprises two tensioners for tensioning said endless belt.
References Cited (Backward Citations)
DE2805411A1
Cited
FR2449186A1
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GB2159208A
Cited
DE3526761A1
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GB2168424A
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EP0358874A1
Cited
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