US3728819A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vehicle doors
Assignee: Kiekert AG
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Filing: 1971-04-28
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Granted: 1973-04-24
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Expires: 1991-04-28
Abstract
Abstract A swinging, sliding door for vehicles, said door comprising at least one door panel, a guide track mounted on the panel, at least one roller guided in the track and a telescopic guide having at least two sections, one of the sections being mounted on the door panel and another of the sections being adapted to be mounted on the body of a vehicle by means of guide members. The telescopic guide extends essentially parallel to the upper edge of the door panel and the sections of the telescopic guide are arranged to move substantially parallel to each other on movement of the door.
Inventors
- 👤 Erich Dabringhausen
- 👤 Horst Goldbach
- 👤 Rudolf Brandenburg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:44
CPC Classifications
E; E05; E05D; E05D15/00; E05D15/06; E05D15/10; E05D15/1065; E05D15/1068; B; B60; B60J; B60J5/00; B60J5/04; B60J5/06; B60J5/062; E05D15/1042; E05D15/1044; E05D15/1047; E05D15/1081; E05D2015/1028; E05D2015/1031; E05D2015/1055; E05D2015/1071; E05D2015/1076; E05D2015/1084; E05D2015/1086; E05Y; E05Y2201/00; E05Y2201/20; E05Y2201/218; E05Y2201/22; E05Y2600/00; E05Y2600/40; E05Y2600/46; E05Y2600/60; E05Y2600/62; E05Y2800/00; E05Y2800/10; E05Y2800/12; E05Y2800/26; E05Y2800/27; E05Y2900/00; E05Y2900/50; E05Y2900/506; E05Y2900/51
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
373 words
In a swinging sliding door suspension for vehicles, said door including at least one door panel, comprising: a single telescopic guide which has approximately the width of the door panel and which bears the weight of the door panel in the open state of the door, said telescopic guide including a plurality of profiled rails; a plurality of parallelogram guides mounted to the vehicle body, said telescopic guide having one side mounted to said door panel and one side mounted to said parallelogram guides, said telescopic guide being disposed at the upper edge of said door panel; and further guide means fixed to the vehicle body for guiding the door panel, the improvement comprising two guides fixed to the vehicle body to guide the door panel, wherein the telescopic guide comprises three profiled guide rails including two C-profiled guide rails which enclose an O-profiled guide rail with means disposed between said rails for reducing the level of friction developed, the two innermost profiled guide rails each extending to a midpoint of its length when the door is in its open state, wherein said parallelogram guides have means defining stationary axes of rotation which are connected to the vehicle body and pivot means which are connected to said telescopic guide, said stationary means being inclined slightly outwardly with respect to the perpendicular axis of the vehicle body, wherein one of said parallelogram guides is connected to the door panel near a front edge thereof and the other parallelogram guide is connected to the door panel near a rear edge thereof, said front edge parallelogram guide being longer than said rear edge parallelogram guide, wherein the perpendicular distance between a line normal to said stationary axes of rotation and lines parallel to said normal line and passing through said pivot means which are connected to said telescopic guide is greater for said front edge parallelogram guide than for said rear edge parallelogram guide, wherein said pivot means which are connected to said telescopic guides are each provided with a spherical head which moves in a circular path, and wherein said telescopic guide is provided with ball sockets fastened to the upper side of said telescopic guide within each of which a respective spherical head rests.
Claim 2
Dependent Claim
373 words
In a swinging sliding door suspension for vehicles, said door including at least one door panel, comprising: a single telescopic guide which has approximately the width of the door panel and which bears the weight of the door panel in the open state of the door, said telescopic guide including a plurality of profiled rails; a plurality of parallelogram guides mounted to the vehicle body, said telescopic guide having one side mounted to said door panel and one side mounted to said parallelogram guides, said telescopic guide being disposed at the upper edge of said door panel; and further guide means fixed to the vehicle body for guiding the door panel, the improvement comprising two guides fixed to the vehicle body to guide the door panel, wherein the telescopic guide comprises three profiled guide rails including two C-profiled guide rails which enclose an O-profiled guide rail with means disposed between said rails for reducing the level of friction developed, the two innermost profiled guide rails each extending to a midpoint of its length when the door is in its open state, wherein said parallelogram guides have means defining stationary axes of rotation which are connected to the vehicle body and pivot means which are connected to said telescopic guide, said stationary means being inclined slightly outwardly with respect to the perpendicular axis of the vehicle body, wherein one of said parallelogram guides is connected to the door panel near a front edge thereof and the other parallelogram guide is connected to the door panel near a rear edge thereof, said front edge parallelogram guide being longer than said rear edge parallelogram guide, wherein the perpendicular distance between a line normal to said stationary axes of rotation and lines parallel to said normal line and passing through said pivot means which are connected to said telescopic guide is greater for said front edge parallelogram guide than for said rear edge parallelogram guide, wherein said pivot means which are connected to said telescopic guides are each provided with a spherical head which moves in a circular path, and wherein said telescopic guide is provided with ball sockets fastened to the upper side of said telescopic guide within each of which a respective spherical head rests.
Claim 3
Dependent Claim
30 words
The improvement as defined in claim 1, wherein the door panel is a dual-wall panel, and wherein said telescopic guide is disposed at least partially within the dual-wall door panel.
Claim 4
Dependent Claim
38 words
The improvement as defined in claim 1, further comprising a catch disposed at a lower corner of the door panel adjacent a wall of the vehicle body, said catch holding the door panel when the door is closed.
Claim 5
Dependent Claim
20 words
The improvement as defined in claim 1, wherein said friction reducing means are balls moving betweeN the profiled guide rails.
Claim 6
Dependent Claim
17 words
The improvement as defined in claim 1, wherein said friction reducing means are slide layers of polytetrafluoroethylene.
Claim 7
Dependent Claim
36 words
The improvement as defined in claim 1, wherein said ball sockets are provided with a lateral keyhole-type recess for insertion of said spherical heads and screw means for retaining said spherical heads in said ball sockets.
Claim 8
Dependent Claim
22 words
The improvement as defined in claim 1, wherein the upper of said two guides forms a pre-assembled unit with said parallelogram guides.
Claim 9
Dependent Claim
45 words
The improvement as defined in claim 1, wherein the ball sockets are fastened to the upper side of said outer profiled guide rail so that they are disposed in the door panel profile and above said balls and the center of gravity of the door.
Claim 10
Dependent Claim
239 words
In a swinging sliding door suspension for vehicles, said door including at least one door panel, comprising: a single telescopic guide which has approximately the width of the door panel and which bears the weight of the door panel in the open state of the door, said telescopic guide including a plurality of profiled rails; a plurality of parallelogram guides mounted to the vehicle body, said telescopic guide having one side mounted to said door panel and one side mounted to said parallelogram guides, said telescopic guide being disposed at the upper edge of said door panel; and further guide means fixed to the vehicle body for guiding the door panel, the improvement comprising two guides fixed to the vehicle body to guide the door panel, wherein the telescopic guide comprises three profiled guide rails including two C-profiled guide rails which enclose an O-profiled guide rail with means disposed between said rails for reducing the level of friction developed, the two innermost profiled guide rails each extending to a midpoint of its length when the door it is its open state, and wherein the suspension further comprises an upwardly open pocket-shaped hollow profiled section installed in the upper edge of the door panel, said section including an inner arm which is connected with said O-profiled guide rail, and a covering apron fastened at the upper end of said outer C-profiled guide rail which extends into the hollow profiled section.
Claim 11
Dependent Claim
239 words
In a swinging sliding door suspension for vehicles, said door including at least one door panel, comprising: a single telescopic guide which has approximately the width of the door panel and which bears the weight of the door panel in the open state of the door, said telescopic guide including a plurality of profiled rails; a plurality of parallelogram guides mounted to the vehicle body, said telescopic guide having one side mounted to said door panel and one side mounted to said parallelogram guides, said telescopic guide being disposed at the upper edge of said door panel; and further guide means fixed to the vehicle body for guiding the door panel, the improvement comprising two guides fixed to the vehicle body to guide the door panel, wherein the telescopic guide comprises three profiled guide rails including two C-profiled guide rails which enclose an O-profiled guide rail with means disposed between said rails for reducing the level of friction developed, the two innermost profiled guide rails each extending to a midpoint of its length when the door it is its open state, and wherein the suspension further comprises an upwardly open pocket-shaped hollow profiled section installed in the upper edge of the door panel, said section including an inner arm which is connected with said O-profiled guide rail, and a covering apron fastened at the upper end of said outer C-profiled guide rail which extends into the hollow profiled section.
Claim 12
Dependent Claim
26 words
The improvement as defined in claim 9, further comprising an inwardly directed horizontal covering apron fastened to an outer arm of said pocket-shaped hollow profiled section.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-04-23 | 1976-10-23 | 1977-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-04-23 | 1980-10-23 | 1981-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-04-23 | 1984-10-23 | 1985-04-24 | $7700.00 | Window Closed / Lapsed |