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WO1992003309A1 - Ameliorations concernant les retroviseurs - Google Patents

Ameliorations concernant les retroviseurs Download PDF

Info

Publication number
WO1992003309A1
WO1992003309A1 PCT/GB1991/001395 GB9101395W WO9203309A1 WO 1992003309 A1 WO1992003309 A1 WO 1992003309A1 GB 9101395 W GB9101395 W GB 9101395W WO 9203309 A1 WO9203309 A1 WO 9203309A1
Authority
WO
WIPO (PCT)
Prior art keywords
mirror
handle
sleeves
rear view
vehicle
Prior art date
Application number
PCT/GB1991/001395
Other languages
English (en)
Inventor
Timothy Hugh Norman
Original Assignee
Spafax International Limited
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Spafax International Limited filed Critical Spafax International Limited
Publication of WO1992003309A1 publication Critical patent/WO1992003309A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R1/00—Optical viewing arrangements; Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
    • B60R1/02—Rear-view mirror arrangements
    • B60R1/06—Rear-view mirror arrangements mounted on vehicle exterior
    • B60R1/0605—Rear-view mirror arrangements mounted on vehicle exterior specially adapted for mounting on trucks, e.g. by C-shaped support means

Definitions

  • This invention relates to a rear view mirror for a motor road vehicle and is more particularly concerned with an adjusting mechanism for such a mirror.
  • Such rear view mirrors comprise various forms and the present one is more particularly concerned for use with commercial vehicles or lorries.
  • the mirrors are mounted both internally and externally, but the driver tends to rely almost wholly on the externally mounted mirrors and it has been found that these can present a problem when being adjusted and it is an object of the present invention to provide an improved method of adjusting such a mirror.
  • An adjusting mechanism for a rear view mirror for a motor road vehicle comprises means for fixing the mirror to the vehicle, means for angularly adjusting the mirror witn respect to the vehicle, and operating means adapted to operate retaining means for retaining the mirror in the required angular position.
  • the retaining means preferably cause co-operating convex and concave surfaces to be biased into engagement with one another.
  • the retaining means may include two relatively slidable sleeves. In this case relative movement of the sleeves by means of the operating means may cause the sleeves to biase the surfaces into engagement with one another.
  • the operating means is in the form of a handle, and in this case the handle is preferably rotatable from a position in which adjustment can take place to a position in which the mirror is retained in position.
  • rotation of the handle may act on the sleeves to cause relative movement thereof, and to this end is provided with a shaft attached thereto which causes relative movement of the sleeves by means of a camming action.
  • the handle may be rotatable through 270°.
  • Figure 1 - is a view partly . in cross-section of a rear view mirror incorporating an adjusting mechanism according to the invention
  • Figure la - is an enlarged view of the centre of Figure 1
  • Figure 2 - is a plan view of the mirror shown in Figure 1 also partly in cross-section
  • Figure 3 - is an end view again partly in cross- section through the mirror
  • Figure 4 - is an elevation of an operating handle
  • Figure 5 - is an end view of Figure 3 and
  • Figure 6 - is a section on the line C-C of Figure 3
  • Figure 1 shows a rear view mirror indicated generally at 10 with a front convex reflecting face 11 and a generally curved rear 12.
  • the rear is provided with a semicircular slot 13 extending laterally across it and through which is arranged to extend a vertically positioned bar 14 to which the mirror is adapted to be fixed on the outside of the vehicle.
  • the mirror is movable along the bar so as to locate it at the required height and can be secured thereto by a fixing arrangement shown more clearly in Figure 3.
  • This consists of two spaced apart through threaded inserts 15, only one of which is shown, located in bosses 16 with open ends 17 of smaller diameter. These are part of an outer sleeve arrangement 18.
  • the mirror can be clamped to the bar by means of a clamp 20 acted upon by two clamp screws 21 which when tightened firmly locate the mirror in position by clamping it against the edges of a part spherical opening 22 in the sleeve 18 through which the bar passes, as shown more clearly in Figure 1.
  • the outer sleeve has a convex end 23 adapted to slide with respect to a correspondingly concave surface 24 formed integrally with the body of the mirror.
  • the surface 24 has an opening 25 to permit movement of a fixing bolt 26 with respect thereto.
  • the fixing bolt 26 has on it a spring 27 which bears against a cup washer 28.
  • the other end of the bolt 26 carries a nut 29 which is held in a housing 30 at the end of an inner sleeve arrangement 31.
  • the inner sleeve is slidable with respect to the outer sleeve and movement of the two sleeves with respect to one another by means of an operating handle moves them from a position in which the angle of the mirror can be easily adjusted as the spring is relatively slack to a position in which the compression in the spring is increased and locks them in position.
  • the handle is shown in more detail in Figure 4. It has an operating arm 32 secured to a centre shaft 33 and provided with a major cam 34 at its inner end and a minor cam 35 at its outer end.
  • the cams act on bearings 36, 37 respectively ( Figures la and 2 ) in the outer sleeve, and since the outer sleeve is immovable then cause by rotation of the handle the shaft 33 of which bears against the inner sleeve, the inner sleeve to move outwardly (downwardly in Figure 1) which causes increased compression in the spring and thus effectively locks and retains the surfaces 23 and 24 against one another.
  • the compression pressure exerted by the spring is relatively light and the angular position of the mirror can be adjusted.
  • the handle can be rotated to the retaining position to lock it in this position.
  • the handle is also provided with protuberances 40 as shown in Figure 2 and Figure 6. These have a stop 41 on the end which is arranged to abut against a stop on the inner sleeve to prevent rotation beyond a certain point. They are also provided with a flat 38 which prevents them being rotated back too far and avoids damage.
  • the handle can only be inserted in one position and can not be readily removed. This serves to assist assembly, retain the handle in position and avoid access to the retaining clamp 20 so as to resist theft.

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Mechanical Engineering (AREA)
  • Rear-View Mirror Devices That Are Mounted On The Exterior Of The Vehicle (AREA)

Abstract

Mécanisme de réglage pour rétroviseur de véhicule de transport motorisé, comprenant un système (14) de fixation du rétroviseur sur le véhicule, un système de réglage de l'angle du rétroviseur par rapport au véhicule, et un système de man÷uvre (32) conçu pour actionner le système de fixation afin qu'il maintienne le rétroviseur dans la position angulaire requise. Le système de man÷uvre peut être conçu sous la forme d'un levier (32) comportant un arbre (33) et une came (34, 35) dont la rotation provoque le déplacement relatif de deux manchons coulissants (18, 31), mobiles l'un par rapport à l'autre, qui font entrer en contact deux surfaces coopérantes (23, 24) convexe et concave de manière à maintenir le rétroviseur en position.
PCT/GB1991/001395 1990-08-21 1991-08-16 Ameliorations concernant les retroviseurs WO1992003309A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9018343.5 1990-08-21
GB909018343A GB9018343D0 (en) 1990-08-21 1990-08-21 Improvements relating to rear view mirrors

Publications (1)

Publication Number Publication Date
WO1992003309A1 true WO1992003309A1 (fr) 1992-03-05

Family

ID=10681000

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB1991/001395 WO1992003309A1 (fr) 1990-08-21 1991-08-16 Ameliorations concernant les retroviseurs

Country Status (3)

Country Link
AU (1) AU8426491A (fr)
GB (1) GB9018343D0 (fr)
WO (1) WO1992003309A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0659609A1 (fr) * 1993-12-21 1995-06-28 MEKRA Lang GmbH & Co. KG Rétroviseur, en particulier pour véhicules utilitaires
US6896380B2 (en) * 2001-04-16 2005-05-24 Delbar Products, Inc. Dual-arm linear slide mechanism for an extendable rearview mirror for vehicles
US6910781B2 (en) * 2002-06-26 2005-06-28 Velvac, Inc. Quick release vehicle mirror

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2213684A1 (de) * 1972-03-17 1973-09-27 Yorck Talbot Feststelleinrichtung fuer ein kugelgelenk zwischen dem gehaeuse und dem halter eines fahrzeugausruestungsteiles, beispielsweise eines aussenrueckblickspiegels
GB2100205A (en) * 1981-05-13 1982-12-22 Frese Metallwerk A supporting head for exterior mirrors of lorries

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2213684A1 (de) * 1972-03-17 1973-09-27 Yorck Talbot Feststelleinrichtung fuer ein kugelgelenk zwischen dem gehaeuse und dem halter eines fahrzeugausruestungsteiles, beispielsweise eines aussenrueckblickspiegels
GB2100205A (en) * 1981-05-13 1982-12-22 Frese Metallwerk A supporting head for exterior mirrors of lorries

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0659609A1 (fr) * 1993-12-21 1995-06-28 MEKRA Lang GmbH & Co. KG Rétroviseur, en particulier pour véhicules utilitaires
US5604644A (en) * 1993-12-21 1997-02-18 Mekra Rangau Plastics Gmbh & Co. Kg Rear-view mirror, in particular for trucks
US6896380B2 (en) * 2001-04-16 2005-05-24 Delbar Products, Inc. Dual-arm linear slide mechanism for an extendable rearview mirror for vehicles
US6910781B2 (en) * 2002-06-26 2005-06-28 Velvac, Inc. Quick release vehicle mirror

Also Published As

Publication number Publication date
AU8426491A (en) 1992-03-17
GB9018343D0 (en) 1990-10-03

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