EP0183880B1 - Automobile external door handle unit - Google Patents
Automobile external door handle unit Download PDFInfo
- Publication number
- EP0183880B1 EP0183880B1 EP19840308528 EP84308528A EP0183880B1 EP 0183880 B1 EP0183880 B1 EP 0183880B1 EP 19840308528 EP19840308528 EP 19840308528 EP 84308528 A EP84308528 A EP 84308528A EP 0183880 B1 EP0183880 B1 EP 0183880B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- door handle
- door
- handle
- proper
- handle proper
- 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
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B85/00—Details of vehicle locks not provided for in groups E05B77/00 - E05B83/00
- E05B85/10—Handles
- E05B85/14—Handles pivoted about an axis parallel to the wing
- E05B85/18—Handles pivoted about an axis parallel to the wing a longitudinal grip part being pivoted about an axis parallel to the longitudinal axis of the grip part
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B15/00—Other details of locks; Parts for engagement by bolts of fastening devices
- E05B15/16—Use of special materials for parts of locks
- E05B15/1635—Use of special materials for parts of locks of plastics materials
Definitions
- the present invention relates to automobile external door handle units, i.e. handle units intended for mounting on the exteriors of automotive vehicle doors.
- a door handle unit may often be mounted on its door in such a way that the door can be prepare for opening by manually raising, from outside, a door handle proper of the unit and the door can then be actually opened by the person standing outside the vehicle pulling it open, if an internal push button has previously been pushed down within the vehicle.
- door handle units of this kind have usually been made by zinc die-casting, or from sheet steel by pressing operations. More recently, however, they have been made of plastics materials, so as to achieve weight reduction.
- the known door handle unit comprises an external door handle proper and at least one, but generally two, operating arms which are mechanically connected with door lock means arranged in or on the automobile door.
- the handle proper and the operating arms are united rigidly, and in one piece, when of plastics material.
- an object of the present invention to provide an automobile external door handle unit of the type set out in the pre-characterising part of either of the appended independent claims, in which the occurrence of such disadvantageous contraction marks is minimised or substantially obviated.
- the conventional external door handle unit is denoted generally by a reference character "A" in Fig. 1.
- This comprises an external door handle proper 1 made of a hard and rigid plastics material such as phenolic resin.
- a pair of remote operating arms 2 and 2a are rigidly united with the door handle proper 1.
- Numeral 3 indicates a housing element, again of a hard and rigid plastics material and adapted for housing the door handle proper 1 as shown.
- Numerals 4 and 4a represent a pair of mutually- remote supporting stems which are rigid with the rear portion of the housing element 3, although the respective connecting portions therebetween are not specifically shown.
- Each of the arms 2, 2a and the respective stems 4, 4a are mutually and pivotably connected by means of pivot pin 5, 5a, respectively. Therefore, the handle proper 1 can be manipulated to turn relative to the housing element 3 and around the common axis, not shown, through the two pins 5 and 5a.
- the operating arms 2 and 2a are formed with respective connecting openings 8 and 8a which are mechanically linked, through link mens B, so as to enable the door lock to be released by raising the handle proper 1.
- the door lock Upon release of the once raised handle proper 1, the door lock will return to its locked condition under the influence of the return springs 6 and 6a.
- each arm 2 or 2a is formed with a material-thieving bridging portion 7, 7a respectively.
- These material-thieving bridges 7 and 7a can be seen clearly in Figs. 3 and 4.
- the provision of these bridging portions is surprisingly effective to prevent the formation of the contraction marks a 1 , a 2 and a handle unit of highly pleasing appearance is thus obtained.
- the inventively improved automobile external door handle unit configuration obviates the disadvantageous formation of aesthetically undesirable contraction marks such as those shown and indicated at a 1 and a 2 in Fig. 1, in a particularly simple, yet remarkably meritorious manner.
Landscapes
- Lock And Its Accessories (AREA)
Description
- The present invention relates to automobile external door handle units, i.e. handle units intended for mounting on the exteriors of automotive vehicle doors. As is commonly known, such a door handle unit may often be mounted on its door in such a way that the door can be prepare for opening by manually raising, from outside, a door handle proper of the unit and the door can then be actually opened by the person standing outside the vehicle pulling it open, if an internal push button has previously been pushed down within the vehicle.
- Hitherto known door handle units of this kind have usually been made by zinc die-casting, or from sheet steel by pressing operations. More recently, however, they have been made of plastics materials, so as to achieve weight reduction.
- The known door handle unit comprises an external door handle proper and at least one, but generally two, operating arms which are mechanically connected with door lock means arranged in or on the automobile door. The handle proper and the operating arms are united rigidly, and in one piece, when of plastics material.
- Experience shows, however, that aesthetically- undesirable contraction marks may be created on the front surface of the handle proper, during the molding thereof, and/or also on the uniting root ends of the operating arms. If these contraction marks should arise, the commercial value of the product is adversely affected.
- It is, therefore, an object of the present invention to provide an automobile external door handle unit of the type set out in the pre-characterising part of either of the appended independent claims, in which the occurrence of such disadvantageous contraction marks is minimised or substantially obviated.
- For attaining such object, the above-mentioned automobile external door handle unit is, according to this invention, provided with the features of the characterising part of either of the appended independent claims.
- This and further objects, features .and advantages of the invention will appear more clearly as the description proceeds with reference to the accompanying drawing, in which:
- Fig. 1 is a front view illustrating a known construction of door handle unit whereon conventional disadvantageous contraction marks have been shown diagrammatically to enable the manner in which these conventional defects are obviated or minimised according in accordance with the invention to be appreciated;
- Fig. 2 is a cross-section which correspond to the section line 11-11' of Fig. 1, still illustrating a handle unit of conventional form;
- Fig. 3 is a perspective view of the handle proper of a handle unit embodying the invention, when seen from the rear side thereof, especially for the illustration of the manner in which the operating arms of the unit of the invention are united with the handle proper; and
- Fig. 4 is a part-sectional and view corresponding to Fig. 3.
- In the following, a preferred embodiment of the present invention will be described in detail and with reference to Figs. 3 and 4 of the accompanying drawing.
- Before entering into the invention, a comparative conventional construction of automobile external door handle unit which constitutes the background of the invention will be described briefly with reference to Figs. 1 and 2.
- The conventional external door handle unit is denoted generally by a reference character "A" in Fig. 1. This comprises an external door handle proper 1 made of a hard and rigid plastics material such as phenolic resin. A pair of remote operating
arms Numeral 3 indicates a housing element, again of a hard and rigid plastics material and adapted for housing the door handle proper 1 as shown. -
Numerals housing element 3, although the respective connecting portions therebetween are not specifically shown. - Each of the
arms respective stems pivot pin housing element 3 and around the common axis, not shown, through the twopins - One stop end 6' of a
return spring 6 surrounding thepin 5 abuts thestem 4, while theopposite stop end 6" thereof abuts on therelated arm member 2 for preserving return energy within thecoil spring 6. A similar arrangement is made with arespective coil spring 6a relative to thecorresponding members coil spring 6a are denoted with thenumerals 6a' and 6a", respectively. - The operating
arms openings return springs - With the prior art automotive outside handle unit "A" so far shown and described, it has been specifically experienced that disadvantageous contraction marks will appear at the time of molding of the handle proper 1 and on the front surface thereof, as indicated schematically at a1 and a2, and in correspondence with the roots or attaching portions of the operating
arms - The locations of these portions a1 and a2 will be appreciated by consideration of Fig. 2 in combination with Fig. 1.
- For avoiding these defects and in accordance with the characterising features of the invention, the attaching root portion of each
arm bridging portion thieving bridges - As has been ascertained by practical experience and as will be understood from the foregoing description, the inventively improved automobile external door handle unit configuration obviates the disadvantageous formation of aesthetically undesirable contraction marks such as those shown and indicated at a1 and a2 in Fig. 1, in a particularly simple, yet remarkably meritorious manner.
Claims (3)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE8484308528T DE3478235D1 (en) | 1984-12-07 | 1984-12-07 | AUTOMOBILE EXTERNAL DOOR HANDLE UNIT |
EP19840308528 EP0183880B1 (en) | 1984-12-07 | 1984-12-07 | Automobile external door handle unit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP19840308528 EP0183880B1 (en) | 1984-12-07 | 1984-12-07 | Automobile external door handle unit |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0183880A1 EP0183880A1 (en) | 1986-06-11 |
EP0183880B1 true EP0183880B1 (en) | 1989-05-17 |
Family
ID=8192833
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP19840308528 Expired EP0183880B1 (en) | 1984-12-07 | 1984-12-07 | Automobile external door handle unit |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0183880B1 (en) |
DE (1) | DE3478235D1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE20007765U1 (en) * | 2000-04-28 | 2001-09-13 | Liebherr Hausgeraete | Door handle, preferably handle for the door of a refrigerator or freezer |
DE102013109914A1 (en) * | 2013-09-10 | 2015-03-12 | BROSE SCHLIEßSYSTEME GMBH & CO. KG | Cover flap arrangement for a handle arrangement of a motor vehicle door |
-
1984
- 1984-12-07 DE DE8484308528T patent/DE3478235D1/en not_active Expired
- 1984-12-07 EP EP19840308528 patent/EP0183880B1/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE3478235D1 (en) | 1989-06-22 |
EP0183880A1 (en) | 1986-06-11 |
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