CA1314417C - Outside rear-view mirror - Google Patents
Outside rear-view mirrorInfo
- Publication number
- CA1314417C CA1314417C CA000568291A CA568291A CA1314417C CA 1314417 C CA1314417 C CA 1314417C CA 000568291 A CA000568291 A CA 000568291A CA 568291 A CA568291 A CA 568291A CA 1314417 C CA1314417 C CA 1314417C
- Authority
- CA
- Canada
- Prior art keywords
- mirror housing
- mirror
- pedestal
- base plate
- outside rear
- 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 - Fee Related
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
- B60R1/062—Rear-view mirror arrangements mounted on vehicle exterior with remote control for adjusting position
- B60R1/064—Rear-view mirror arrangements mounted on vehicle exterior with remote control for adjusting position by manually powered actuators
- B60R1/066—Rear-view mirror arrangements mounted on vehicle exterior with remote control for adjusting position by manually powered actuators for adjusting the mirror relative to its housing
-
- 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
- B60R1/076—Rear-view mirror arrangements mounted on vehicle exterior yieldable to excessive external force and provided with an indexed use position
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
ABSTRACT
Disclosed is an outside rear-view mirror for a car, having a pedestal and a mirror housing which may rock forwardly and rearwardly relaltive to the pedestal from a normal position thereof.
The mirror housing has a rim proximate to the pedestal which is held against a substantially flat margin of a base plate of the pedestal under the action of a spring fastened to the pedestal and coupled to an inner portion of the mirror housing. The rearward substantially straight portion of the rim forms a rearward rocking axis with the margin, and the rim surrounds an opening of the mirror housing for passage of the spring or a transfer member coupled to the spring and the pedestal. For reducing the space necessary for the forward rocking movement of the mirror housing in cases where the mirror housing includes an acute angle with the car body when the outside rear-view mirror is mounted to the car, into the front portion of the base plate a recess is formed into which the front portion of the mirror housing adjacent to the base plate will dip during forward rocking of the mirror housing.
Disclosed is an outside rear-view mirror for a car, having a pedestal and a mirror housing which may rock forwardly and rearwardly relaltive to the pedestal from a normal position thereof.
The mirror housing has a rim proximate to the pedestal which is held against a substantially flat margin of a base plate of the pedestal under the action of a spring fastened to the pedestal and coupled to an inner portion of the mirror housing. The rearward substantially straight portion of the rim forms a rearward rocking axis with the margin, and the rim surrounds an opening of the mirror housing for passage of the spring or a transfer member coupled to the spring and the pedestal. For reducing the space necessary for the forward rocking movement of the mirror housing in cases where the mirror housing includes an acute angle with the car body when the outside rear-view mirror is mounted to the car, into the front portion of the base plate a recess is formed into which the front portion of the mirror housing adjacent to the base plate will dip during forward rocking of the mirror housing.
Description
DESCRIPTION ~ 4 1 7 The invention refers to an outside rear-view mirror for a vehicle, having a pedestal and a mirror housing which is adapted to assume a normal position relative to the pedestal and to rock forwardly an~
rearwardly, the mirror housing having a rim close to the pedestal which abuts a substentially flat margin of a base plate of the pedestal under the action of a spring anchored to the pedestal and mounted to an inner portion of the mirror housing, the rearward and substantially straight section of the rim forming a rear rocking axis when cooperating with the margin, and the rim further surrounding an opening of the mirror housing through which the spring or a transfer member connected to the spring and the pedestal may extend~
German Offenlegungsschrift 32 20 893 discloses an outside rear-view mirror comprising a mirror housing which has a substantially rectangular cross section and which has a base wall being only slightly curved and~being fully exposed to the wind caused when driving the vehicle. Therefore, the mirror housing has a great working surface upon which the wind may act, particularly when the veh;cle runs fast. When the outs;de rear-view mirror is mounted to the car body, the m;rror hous;ng projects laterally to a substant;al extent and therefore the des;gn of the outs;de rear-v;ew m;rror does not f;t optimumly into the styling of modern cars.
Another drawback of known outside rear-view mirrors resides in a substantial lateral space which is necessary for forward rocking of the mirror housing in case a streamlined mirror housing, in its normal position, extends obliquely to the rear from the car body.
Therefore, it is an object of the invention to provide an outside rear-view mirror which has a streamlined shape and fits into the form of the car body and still needs little space for rocking towards the car bodyn r ~
rearwardly, the mirror housing having a rim close to the pedestal which abuts a substentially flat margin of a base plate of the pedestal under the action of a spring anchored to the pedestal and mounted to an inner portion of the mirror housing, the rearward and substantially straight section of the rim forming a rear rocking axis when cooperating with the margin, and the rim further surrounding an opening of the mirror housing through which the spring or a transfer member connected to the spring and the pedestal may extend~
German Offenlegungsschrift 32 20 893 discloses an outside rear-view mirror comprising a mirror housing which has a substantially rectangular cross section and which has a base wall being only slightly curved and~being fully exposed to the wind caused when driving the vehicle. Therefore, the mirror housing has a great working surface upon which the wind may act, particularly when the veh;cle runs fast. When the outs;de rear-view mirror is mounted to the car body, the m;rror hous;ng projects laterally to a substant;al extent and therefore the des;gn of the outs;de rear-v;ew m;rror does not f;t optimumly into the styling of modern cars.
Another drawback of known outside rear-view mirrors resides in a substantial lateral space which is necessary for forward rocking of the mirror housing in case a streamlined mirror housing, in its normal position, extends obliquely to the rear from the car body.
Therefore, it is an object of the invention to provide an outside rear-view mirror which has a streamlined shape and fits into the form of the car body and still needs little space for rocking towards the car bodyn r ~
2 ~ 7 According to the invention there is provided an outside rear view mirror for a vehicle having a pedestal and a mirror housing which is adapted to assume a normal position and to rock forwardly and rearwardly relative to the pedestal. The mirror housing has, close to the pedestal, a rim which abuts a substantially flat margin of the base plate of the pedestal under the action of a spring anchored to the pedestal and engaging an inner portion of the mirror housing~
A rearward section of the rim which extends substentiallY straight forms a rear rocking axis when cooperating with the margin. The rim surrounds an opening of the mirror housing through which the spring or a transfer member extends which is connected to the spring and the pedestal. Into the front portion of the ba`se plate a recess is formed such that the front portion of the mirror housing acljacent to the pedestal dips into the recess when the mirror housing rocks forwardLy. This allows a design of the outside rear-view mirror in a form which swings outwardly in a light bow extending from a mounting plate of the pedestal which is fastened to the car body, and appearing as being well fit into the design of the car body.
Moreover, the w;nd resistance of the mirror housing is reduced and a step between the rear-view mirror and the car body as well as between the pedestal and the mirror housing is avoided.
Nevertheless, the forward rocking movement of the m;rror housing needs only reduced space.
According to a preferred embodiment of the invention, a front open rolling bearing is formed at the front section of the base plate for cooperation with a fitting strip formed from the m;rror housing inwardly the rim~ Thereby, the rim of the mirror housing is protected from being damaged by the pedestal when the mirror housing rocks. Specifically, two spaced forks are mounted to the base plate for accomodating the fi~ting strip similar to a shaft which may escape from the forks when the mirror housing rocks rearwardly.
In oder to provide for a positive end position for the forwardly rocking mirror housing, according to another preferred embodiment of the invention, a shoulder is provided on the base plate against which the rim abuts for stoppins further forward movement of the A
A rearward section of the rim which extends substentiallY straight forms a rear rocking axis when cooperating with the margin. The rim surrounds an opening of the mirror housing through which the spring or a transfer member extends which is connected to the spring and the pedestal. Into the front portion of the ba`se plate a recess is formed such that the front portion of the mirror housing acljacent to the pedestal dips into the recess when the mirror housing rocks forwardLy. This allows a design of the outside rear-view mirror in a form which swings outwardly in a light bow extending from a mounting plate of the pedestal which is fastened to the car body, and appearing as being well fit into the design of the car body.
Moreover, the w;nd resistance of the mirror housing is reduced and a step between the rear-view mirror and the car body as well as between the pedestal and the mirror housing is avoided.
Nevertheless, the forward rocking movement of the m;rror housing needs only reduced space.
According to a preferred embodiment of the invention, a front open rolling bearing is formed at the front section of the base plate for cooperation with a fitting strip formed from the m;rror housing inwardly the rim~ Thereby, the rim of the mirror housing is protected from being damaged by the pedestal when the mirror housing rocks. Specifically, two spaced forks are mounted to the base plate for accomodating the fi~ting strip similar to a shaft which may escape from the forks when the mirror housing rocks rearwardly.
In oder to provide for a positive end position for the forwardly rocking mirror housing, according to another preferred embodiment of the invention, a shoulder is provided on the base plate against which the rim abuts for stoppins further forward movement of the A
3 ~314~1!
mirror housing when rocking. Preferably, a stud is formed from the mirror housing which, insted of the rim, abuts the shoulder.
Particularly, the shoulder may be realized by a transverse wall exentending inwardly from the base plate, the transverse wall also forming the rearward end of the recess.
A good design of the outside rear-view mirror is obtained if the recess is covered by the mirror housing when the mirror housing assumes its normal position. The recess preferably may be limited internally by a concave wall which merges in the lateral wall.
The spring for returning the mirror housing from the end position to the normal position thereof is, according to a preferred embodiment of the invention, coupled to a flexible web formed from spring steel e.g. one end of which is anchored to the base plate by a hook. The opposite end of the spring abuts the inner surface of an end wall of the mirror housing adjacent to the pedestal.
Normally, the mirror housing surrounds laterally a mirror glass bonded to a mirror support plate. An adjustment device is coupled to the mirror support plate and includes tranfer members extending through the pedestal for being manipulated in the interior of the car to the effect that the position of the mirror glass may be adjusted by the driver to a desired optimum position. For such an outside rear-view mirror having a mirror glass, the position of which is mechanically adjustable by corresponding manipulation in the interior of the car the invention preferably provides for a sl;de which is guided along the back side of the mirror support plate and connected to a light spring and to one of the transfer members of the adjustment device. Thereby~ the position of the mirror glass as adjusted in the normal position of the mirror housing is maintained even during the rocking movements of the mirror housing.
According to another improvement of the invention, two spaced pairs of spaced gripping cams extend from the base plate and a pair of 4 ~ 3 1 ~ ~ 7 spaced blocks project from the end wall of the mirror housingj each block being opposite to one of the pairs of gripping cams. Thus, when the mirror housing assumes its normal position, each block is cought between the associated pair of gripping cams. Thereby the mirror housing resumes its proper normal position after having rocked in a safer and easier manner. In order to ensure also a vertically proper normal position of the mirror housing, the upper gripping cams are preferably connected by a lower ridge and the lower gripping cams are connected by an upper ridge. The blocks then may abut each ridge from above and below, respectively~
PresentLy preferred embodiments of the inventjon are described in detail hereinafter with reference to the accompanying drawings which show:
Fig. 1: A cross section through an outside rear-view mirror havirig a mirror housing, the normal position of which is represented in extended lines and the forward end position of which is shwown partially in phantom lines;
Fig. 2: a detail x from Fig. 1 in enlarged scale;
Fig. 3: another embodiment of an outside rear-view mirror;
Fig. 4: a schematical plan view of the base plate of the rear-view mirror accoding to Fig. 3; and Fig. 5: a cross section along the line V-V of Fig. 4;
Accoding to Figures 1 and 2 the outside rear-view mirror has a pedestal 1 and a mirror housing 2 held against to the pedestal. The pedestal 1 includes a mounting plate 11 and a base plate 12 which is connected to the mounting plate 11 by lateral walls 13, 14. The mounting plate 11 and the base plate 12 extending substantially parallel to the mounting plate surround together with the lateral walls 13 and 14 a hollow space within not shown enforcing walls and rips may extend. The front side wall 13 extends from the front end 1319~17 of mounting pLate 11 outwardly and rearwardly towards the base plate 12 in a slight bow.
The designations "forward" and "rearward" as used herein refer to the forward driving direction of a car according the arrow 4 to which one of the outside rear-view mirrors as desribed herein is mounted.
A wall 15 projects from the rearward end of the base plate 12 and includes a rearwardly standing foot which forms the pedestal portion of an open rolling bearing as the rearward rocking axis for a rearward rocking of the mirror housing 2~
A bolt 16 is fixed to the base plate 12 which extends parallel thereto according to the presently described embodiment of the invention, for being grasped by an hook 41.
The mirror housirig 2 fiormed from hard plastic has a rearward opening which is surrounded by a substantially rectangular frame 21 and whih allows viewing of a mirror glass 30. The mirror housing 2 includes a mounting device for the mirror glass 30 which includes a support plate 31~ The support p~ate 31 ;s fastened on a plurality of posts 22, 23 projecting from the inner surface of the base 25 of the mirror housing~ A ball 32 of an articulation link projects from the support plate 31 opposite to the posts 22, 23 upon which a ball pocket 33 is clamped. The ball pocket is formed from a mirror glass support plate 34 upon which the mirror glass 30 is bonded.
The end of the mirror housing 2 proximate to the pedestal 1 termi-nates in a continuous rim 24, 26 having a spherically thickened end according to F;go 2~ The rearward portion 24 of the rim extends substantially straight and perpendicular to the drawing plane of Figs. 1 and 2 and rests within a shallow groove formed in the foot of wall 15 when the mirror housing 2 assumes its normal position.
The remaining portion of the rim abuts a continuous substantially flat marging 17 of the base plate 12 such that the outer contour of the mirror housing 2 continues the contour of the lateral walls 13 14 of pedestal 1 without any step.
6 131~417 The mirror housing 2 is held against the pedestal 1 by a pressure spring 35, the end 36 of which close to the pedestal bears on a projection 37 of the mirror housing 2 which is formed in the interior thereof in proximity of the pedestal 1. The end 38 of pressur spring 35 facing away from the pedestal 1 is fixed to a spring steel web 39 which extends through the interior of the pressure spring 35 and through a lengthly guiding piece 40 formed at the projection 37. The end of the web proximate to -the pedestal is hung into a solid hook 41 grasping pivotably the bolt 16~ The pressure spring 35 extends below the support plate 31 and is held in position by limiting tabs 42, 43 projecting from the support plate 31. The pressure spring is embedded within a flexible plastic tube 44.
Within an end wall of the mirror housing 2 proximate to the pedestal 1 an opening is provided so as to allow passage of the spring steel web 39 and not shown elements of an adjustment device for the mirror glass 30 which may be manipulated in the interior of the car for adjus;ting the position of the mirror glass 30~
The mirror housing 2 is extended forwardly such that its depth increases from the outer frame 2'1 to the pedestal 1 so that the mirror housing 2 has a depth which is proximate to the pedestal 1 substantially greater than the depth at the outer end of the mirror housing away fram the pedestal. Thereby, the front portion of mirror housing 2, i.e. substantially the base 25 of the mirror housing runs towards the car body by including therewith an acute angle and assumes a streamlined form. Thus~ the base 25 of the mirror housing has a highly convex form in the vicinity of the pedestal 1 with respect to mirror housings commonly known. Also the front portion 26 of the rim has such convex form. In order to maintain the mirror housing as close as possible at the car body, a recess 50 is formed in the forward portion of the base plate 12 into which the forward section 28 of the base 25 at ~he associated portion 26 of the rim may dip when rocking. The recess 50 is limited laterally by the remaining margin 17 upon which the rim 24, 26 o-f the mirror housing 2 rests under the action of the pressure spring 35 when the mirror housing assumes its normal position. Inwardly~ the recess 50 is 7 l ~
limited by a concave wall 18 of a form which resembles substantially a section of an ellipsoid. Rearwardly, the recess 50 is bordered by a transverse wall 19 extending transversely to the base plate 12 and into which the wall 18 merges. Thereby, a pocket 20 is formed at the transition of transverse wall 19 to the concave wall 18 which has an acurate form.
According to Fig. 2, the spherically thickened end of portion 26 of the rim abuts subs~antially by a line contact to the margin 17 along recess 50 when the mirror housing assumes its normal position.
In case of impact upon the mirror housing 2 in forward driving direction 4, the mirror housing 2 rocks forwar~ly against the action of the pressure spring 35, and the rim 26 slips rearwardly away from margin 17 and dips into the recess 50 until portion 26 is caught within the pocket 20~ The mirror housing 2 then assumes the forward rocked end position as shown in the upper section of Fig. 1. When the impact termir;ates, the mirror housing 2 returns to its normal position by the action of the pressure spring 35.
The second embodiment of the invention as shown in Figs. 3 thru 5 is similar to the above de$çribed outside rear-view mirror in its substantial features. Thus, pedestal 51 has a base plate 62 spaced outwardly with respect to a mounting side 61 which is connected to the base plate 62 through curved lateral walls 63, 64. The space surrounded by the lateral walls 63, 64 and the base plate 62 is penetrated by a concave wall 68, the forward, upper and lower rim thereof terminates within the rim of the side wall 63 and the rearward end thereof continues in a lateral wall 69 extending transversely to base plate 62. The walls 68, 69 surround a recess 100 which is covered by mirror housing 52 when the latter assumes the normal position and into which the rim 76 of the mirror housing proximate to the pedestal 51 dips when the mirror hous;ng 52 rocks.
The dipped rim 76 is assignecd the reference numeral 76' in Fig. 3.
The base plate 62 includes an opening 60 aligned with an opening 59 in the monting side 61 of pedestal 51. Into the opening 59 a bearing member 58 is fixedly inserted within which a ball 57 of a rod-like manipulating member 56 for an adjusting device 8 1 3~
to be described of the mirror glass 80 is rotatably held. A hook 91 is pivotably held at the mounting side 61 adjacent the opening 60 by means of a pin 92 grasped by a hook 91.
Two spaced forks 95, 96 are mounted to the base plate 62 adjacent the forward end thereof at the transition to the lateral wall 69.
Fig. 3 shows the fork 96 in plan view below the plane of Fig. 3.
~oth forks 95, 96 extend substantially parallel with respect to each other and terminate outside the base plate 62 and above the recess 100 such that a shaft 97 fixedly mounted within the mirror housing is grasped by the forks 95, 96. Therefore, in case the mirror housing 52 rocks forwardly from the normal pos,ition as shown in the lower portion of Fig. 3, the shaft 97 caught by the forks 95, 96 form the forward bearing about which the mirror housing 52 rocks into the forward end position as shown in the upper portion of Fig.
3. It is to be noted that recess 100 is covered by the mirror housing when assu'ming the normal position.
The mirror housing 51 has an end plate 70 facing normally the pedestal 62 and having two openings. A guiding piece 90 is provided within the small one of both openings which is closer to the base 75 of the mirror housing 52 than the larger of said openings and is centrally bored and upon which ~he end 86 of a pressure spring 85 rests which faces pedestal 62. A flexible steel web 88 extends through the central bore 89 of guiding piece 90. One end of the web 88 is hung into the hook 91 and the opposite end of web 88 is fixedly mounted to the end 84 of pressure spring 85 which faces away from the base plate 62. The steel web 88 extends thus from the free bent end of hook 91 through bore 89 into the interior of the pressure spring 85 to the end 84 thereof~ The opening which receives the guiding member 90 is placed in a position within the front wall 70 of the mirror housing with respect to the mounting pin 92 of hook 91 that the mirror housing 52 is automatically held in the rocked end position by pressure spring 85.
The greater one of both openings 93 is provided in the end wall 70 A
9 1~ 17 between the rearward rim 77 of the base 75 of the mirror housing and the smaller opening such that sufficient space is left for unhindered movement of the transfer members of the adjustment device for the mirror glass 80 during rocking moverments of the mirror housing 52. A pair of spaced guiding blocks project from the end wall 70 besids the opening 93. In Fig. 3, only the guiding block 72 below the plane of said Fig. is illustrated. Each of both g~iding blocks is caught inbetween a pair of upper grasping cams 73, 65 and a pair of lower grasping cams 74, 66 in the normal position of the mirror housing 5Z. Thereby, the mirror housing 52, in its normal position, obtains the safe and defined abutment against base plate 62 in forward driving direction 4 in addition ~o the shaft 97 caught by the forks 95, 96. The upper grasping cam 73 is connected to the upper grasping cam 65 by a lower rib 103 against which the upper not shown guiding block abuts from above in the normal position of the mirror housing 52~ The lower grasping cam 74 is connected to the lower grasping cam 66 by an upper rib 104 against which the lower guiding block 72 may abut from below in normal position of the mirror housing 52. Thereby, the mirror housing 52 assumes a vertically defined normal position~ Each of both rearward grasp;ng cams 73, 74 is provided with a slot 78, 99 at the rearward portions thereof into which a gu;ding p;n dips which projects from the r;m 77 (shown ;s only the lower gu;ding p;n 79)~
Dur;ng rearward rock;ng of the mirror housing 52 the spherically formed r;m 77 rolls upon the rearward end 67 of base plate 62, the guiding pins remaining caught within the slots 78, 99. This prevents a slipping off downwardly or upwardly of the mirror housing 52 upon rrcking rearwardly. When rocking rearwardly, the shaft 97 is freed from the forks 95, 96 and the guiding blocks lift from their position between the clamping cam pairs 65, 73 and 66, 74~
The mirror glass 81 is bonded to a mirror glass supporting plate 82. A ball cup 83 projects from the mirror glass supporting plate 82 from the surface thereof which faces away from the mirror glass 81.
lo ~ 1 7 An articulation ball 87 is caught within the ball cup 83 which projects from a plate 53. The plate 53 is screwed upon spaced posts 54, 55 which project from the base 7S of the mirror housing into the interior thereof. A bearing fork 98 is provided on the plate 53 on both sides of the articulation ball 87 within which a shaft 102 is movably retained. The shaft 102 is mounted in parallel studs projecting from the mirror glass supporting plate 82 towards plate 53. The shaft 102 exends transversely to the bearing fork 98~ A
similar bearing fork is provided parallel to bearing fork 98 on the side of the articulation ball 87 opposite to the bearing fork 98.
Within said second bearing fork another shaft is movably retained which is mcunted in corresponding studs on mirror glass supporting plate 82. The common center line of both shafts extends through the center point of the articulation wall 87 if it rests within the ball cup 83, and the common center line extends vertically if the outside rear-view is mounted to a car~
Thus, the posit;on of the mirror glass 81 is adjustable about two perpendicular axes relative to the mirror housing 52 within a predetermined angular range. These axes are the center line of shaft 102 extending subtantially parallel to the mirror glass supporting plate 82 and a line which extends transversely to the center line of shaft 1û2 and through the center point of articulation ball 87 and parallel to the plane of Fig. 3, i.e a horizontal line if the outside rear-view mirror is mounted to a car. Pivoting of the mirror glass 81 about the last mentioned axis yields an upward or downward adjustment of the mirror glass, and pivoting of the mirror glass about the first mentioned axis yields an inward or outward adjustment of the mirror glass.
Such adjustment of the positon of the mirror glass is achieved by a cooperation of transfer members. To this end a rigid intermediate member 105 is connected at one end to an end of rod 56 proximate to the pedestal and at the other end to the mirror glass supporting plate 82 and may pivot about axes parallel to the center line of shaft 102. In the event rod 56 is manipulated from the interior of the car ~4 b 11 1 3 1 ~ 1 7 in direction of arrow S about the center point of ball 57, the mirror 80 tilts outwardly and a manipulation opposite to arrow 5 yields to an inward tilting of mirror glass 81. A rotation of rod 56 about its center line 94 results to upward or downward tilting of mirror glass 81, the shaft 102 moving within the bearing fork 98.
As shown in Fig. 3, the end of the intermediate member 105 within the mirror housing is articulated to a slide 106 which is guided within a slotted guiding part 107 along the rear surface of the mirror glass supporting plate 82 such that the slide 106 may move parallel to the rear side of the mirror glass supporting plate 82.
A light spring 108 coupled between the slide 106 and the mirror glass supporting plate 82 holds the slide 106 at the inner terminal position within the guiding part 107 when the mirror housing 52 assumes its normal position~ During forward or backward rocking of the mirror housing 52 the slide 106 may be drawn along the mirror glass mounting plate 82 against the action of the light spring 108 by the intermediate member 105. The slide 106 is retained always by the guiding part 107 so that the coupling of rod 56 through intermediate member 1û5 to the mirror glass supporting plate 82 is retained.
The forward rocking end position of the mirror housing 52 is defined by abutment of the rim 76' to the lateral wall. AlternativelY, a separate shoulder may be provided from the base plate 62 against which the end wall 70 or a projection therefrom may abut for defining said end position.
As to the drawing of Fig. 3 it is to be noted that the shown section in the range of slot 78 and the bearing fork 98 lies deeper within the shown rear-view mirror than the remaining portions of the shown section.
mirror housing when rocking. Preferably, a stud is formed from the mirror housing which, insted of the rim, abuts the shoulder.
Particularly, the shoulder may be realized by a transverse wall exentending inwardly from the base plate, the transverse wall also forming the rearward end of the recess.
A good design of the outside rear-view mirror is obtained if the recess is covered by the mirror housing when the mirror housing assumes its normal position. The recess preferably may be limited internally by a concave wall which merges in the lateral wall.
The spring for returning the mirror housing from the end position to the normal position thereof is, according to a preferred embodiment of the invention, coupled to a flexible web formed from spring steel e.g. one end of which is anchored to the base plate by a hook. The opposite end of the spring abuts the inner surface of an end wall of the mirror housing adjacent to the pedestal.
Normally, the mirror housing surrounds laterally a mirror glass bonded to a mirror support plate. An adjustment device is coupled to the mirror support plate and includes tranfer members extending through the pedestal for being manipulated in the interior of the car to the effect that the position of the mirror glass may be adjusted by the driver to a desired optimum position. For such an outside rear-view mirror having a mirror glass, the position of which is mechanically adjustable by corresponding manipulation in the interior of the car the invention preferably provides for a sl;de which is guided along the back side of the mirror support plate and connected to a light spring and to one of the transfer members of the adjustment device. Thereby~ the position of the mirror glass as adjusted in the normal position of the mirror housing is maintained even during the rocking movements of the mirror housing.
According to another improvement of the invention, two spaced pairs of spaced gripping cams extend from the base plate and a pair of 4 ~ 3 1 ~ ~ 7 spaced blocks project from the end wall of the mirror housingj each block being opposite to one of the pairs of gripping cams. Thus, when the mirror housing assumes its normal position, each block is cought between the associated pair of gripping cams. Thereby the mirror housing resumes its proper normal position after having rocked in a safer and easier manner. In order to ensure also a vertically proper normal position of the mirror housing, the upper gripping cams are preferably connected by a lower ridge and the lower gripping cams are connected by an upper ridge. The blocks then may abut each ridge from above and below, respectively~
PresentLy preferred embodiments of the inventjon are described in detail hereinafter with reference to the accompanying drawings which show:
Fig. 1: A cross section through an outside rear-view mirror havirig a mirror housing, the normal position of which is represented in extended lines and the forward end position of which is shwown partially in phantom lines;
Fig. 2: a detail x from Fig. 1 in enlarged scale;
Fig. 3: another embodiment of an outside rear-view mirror;
Fig. 4: a schematical plan view of the base plate of the rear-view mirror accoding to Fig. 3; and Fig. 5: a cross section along the line V-V of Fig. 4;
Accoding to Figures 1 and 2 the outside rear-view mirror has a pedestal 1 and a mirror housing 2 held against to the pedestal. The pedestal 1 includes a mounting plate 11 and a base plate 12 which is connected to the mounting plate 11 by lateral walls 13, 14. The mounting plate 11 and the base plate 12 extending substantially parallel to the mounting plate surround together with the lateral walls 13 and 14 a hollow space within not shown enforcing walls and rips may extend. The front side wall 13 extends from the front end 1319~17 of mounting pLate 11 outwardly and rearwardly towards the base plate 12 in a slight bow.
The designations "forward" and "rearward" as used herein refer to the forward driving direction of a car according the arrow 4 to which one of the outside rear-view mirrors as desribed herein is mounted.
A wall 15 projects from the rearward end of the base plate 12 and includes a rearwardly standing foot which forms the pedestal portion of an open rolling bearing as the rearward rocking axis for a rearward rocking of the mirror housing 2~
A bolt 16 is fixed to the base plate 12 which extends parallel thereto according to the presently described embodiment of the invention, for being grasped by an hook 41.
The mirror housirig 2 fiormed from hard plastic has a rearward opening which is surrounded by a substantially rectangular frame 21 and whih allows viewing of a mirror glass 30. The mirror housing 2 includes a mounting device for the mirror glass 30 which includes a support plate 31~ The support p~ate 31 ;s fastened on a plurality of posts 22, 23 projecting from the inner surface of the base 25 of the mirror housing~ A ball 32 of an articulation link projects from the support plate 31 opposite to the posts 22, 23 upon which a ball pocket 33 is clamped. The ball pocket is formed from a mirror glass support plate 34 upon which the mirror glass 30 is bonded.
The end of the mirror housing 2 proximate to the pedestal 1 termi-nates in a continuous rim 24, 26 having a spherically thickened end according to F;go 2~ The rearward portion 24 of the rim extends substantially straight and perpendicular to the drawing plane of Figs. 1 and 2 and rests within a shallow groove formed in the foot of wall 15 when the mirror housing 2 assumes its normal position.
The remaining portion of the rim abuts a continuous substantially flat marging 17 of the base plate 12 such that the outer contour of the mirror housing 2 continues the contour of the lateral walls 13 14 of pedestal 1 without any step.
6 131~417 The mirror housing 2 is held against the pedestal 1 by a pressure spring 35, the end 36 of which close to the pedestal bears on a projection 37 of the mirror housing 2 which is formed in the interior thereof in proximity of the pedestal 1. The end 38 of pressur spring 35 facing away from the pedestal 1 is fixed to a spring steel web 39 which extends through the interior of the pressure spring 35 and through a lengthly guiding piece 40 formed at the projection 37. The end of the web proximate to -the pedestal is hung into a solid hook 41 grasping pivotably the bolt 16~ The pressure spring 35 extends below the support plate 31 and is held in position by limiting tabs 42, 43 projecting from the support plate 31. The pressure spring is embedded within a flexible plastic tube 44.
Within an end wall of the mirror housing 2 proximate to the pedestal 1 an opening is provided so as to allow passage of the spring steel web 39 and not shown elements of an adjustment device for the mirror glass 30 which may be manipulated in the interior of the car for adjus;ting the position of the mirror glass 30~
The mirror housing 2 is extended forwardly such that its depth increases from the outer frame 2'1 to the pedestal 1 so that the mirror housing 2 has a depth which is proximate to the pedestal 1 substantially greater than the depth at the outer end of the mirror housing away fram the pedestal. Thereby, the front portion of mirror housing 2, i.e. substantially the base 25 of the mirror housing runs towards the car body by including therewith an acute angle and assumes a streamlined form. Thus~ the base 25 of the mirror housing has a highly convex form in the vicinity of the pedestal 1 with respect to mirror housings commonly known. Also the front portion 26 of the rim has such convex form. In order to maintain the mirror housing as close as possible at the car body, a recess 50 is formed in the forward portion of the base plate 12 into which the forward section 28 of the base 25 at ~he associated portion 26 of the rim may dip when rocking. The recess 50 is limited laterally by the remaining margin 17 upon which the rim 24, 26 o-f the mirror housing 2 rests under the action of the pressure spring 35 when the mirror housing assumes its normal position. Inwardly~ the recess 50 is 7 l ~
limited by a concave wall 18 of a form which resembles substantially a section of an ellipsoid. Rearwardly, the recess 50 is bordered by a transverse wall 19 extending transversely to the base plate 12 and into which the wall 18 merges. Thereby, a pocket 20 is formed at the transition of transverse wall 19 to the concave wall 18 which has an acurate form.
According to Fig. 2, the spherically thickened end of portion 26 of the rim abuts subs~antially by a line contact to the margin 17 along recess 50 when the mirror housing assumes its normal position.
In case of impact upon the mirror housing 2 in forward driving direction 4, the mirror housing 2 rocks forwar~ly against the action of the pressure spring 35, and the rim 26 slips rearwardly away from margin 17 and dips into the recess 50 until portion 26 is caught within the pocket 20~ The mirror housing 2 then assumes the forward rocked end position as shown in the upper section of Fig. 1. When the impact termir;ates, the mirror housing 2 returns to its normal position by the action of the pressure spring 35.
The second embodiment of the invention as shown in Figs. 3 thru 5 is similar to the above de$çribed outside rear-view mirror in its substantial features. Thus, pedestal 51 has a base plate 62 spaced outwardly with respect to a mounting side 61 which is connected to the base plate 62 through curved lateral walls 63, 64. The space surrounded by the lateral walls 63, 64 and the base plate 62 is penetrated by a concave wall 68, the forward, upper and lower rim thereof terminates within the rim of the side wall 63 and the rearward end thereof continues in a lateral wall 69 extending transversely to base plate 62. The walls 68, 69 surround a recess 100 which is covered by mirror housing 52 when the latter assumes the normal position and into which the rim 76 of the mirror housing proximate to the pedestal 51 dips when the mirror hous;ng 52 rocks.
The dipped rim 76 is assignecd the reference numeral 76' in Fig. 3.
The base plate 62 includes an opening 60 aligned with an opening 59 in the monting side 61 of pedestal 51. Into the opening 59 a bearing member 58 is fixedly inserted within which a ball 57 of a rod-like manipulating member 56 for an adjusting device 8 1 3~
to be described of the mirror glass 80 is rotatably held. A hook 91 is pivotably held at the mounting side 61 adjacent the opening 60 by means of a pin 92 grasped by a hook 91.
Two spaced forks 95, 96 are mounted to the base plate 62 adjacent the forward end thereof at the transition to the lateral wall 69.
Fig. 3 shows the fork 96 in plan view below the plane of Fig. 3.
~oth forks 95, 96 extend substantially parallel with respect to each other and terminate outside the base plate 62 and above the recess 100 such that a shaft 97 fixedly mounted within the mirror housing is grasped by the forks 95, 96. Therefore, in case the mirror housing 52 rocks forwardly from the normal pos,ition as shown in the lower portion of Fig. 3, the shaft 97 caught by the forks 95, 96 form the forward bearing about which the mirror housing 52 rocks into the forward end position as shown in the upper portion of Fig.
3. It is to be noted that recess 100 is covered by the mirror housing when assu'ming the normal position.
The mirror housing 51 has an end plate 70 facing normally the pedestal 62 and having two openings. A guiding piece 90 is provided within the small one of both openings which is closer to the base 75 of the mirror housing 52 than the larger of said openings and is centrally bored and upon which ~he end 86 of a pressure spring 85 rests which faces pedestal 62. A flexible steel web 88 extends through the central bore 89 of guiding piece 90. One end of the web 88 is hung into the hook 91 and the opposite end of web 88 is fixedly mounted to the end 84 of pressure spring 85 which faces away from the base plate 62. The steel web 88 extends thus from the free bent end of hook 91 through bore 89 into the interior of the pressure spring 85 to the end 84 thereof~ The opening which receives the guiding member 90 is placed in a position within the front wall 70 of the mirror housing with respect to the mounting pin 92 of hook 91 that the mirror housing 52 is automatically held in the rocked end position by pressure spring 85.
The greater one of both openings 93 is provided in the end wall 70 A
9 1~ 17 between the rearward rim 77 of the base 75 of the mirror housing and the smaller opening such that sufficient space is left for unhindered movement of the transfer members of the adjustment device for the mirror glass 80 during rocking moverments of the mirror housing 52. A pair of spaced guiding blocks project from the end wall 70 besids the opening 93. In Fig. 3, only the guiding block 72 below the plane of said Fig. is illustrated. Each of both g~iding blocks is caught inbetween a pair of upper grasping cams 73, 65 and a pair of lower grasping cams 74, 66 in the normal position of the mirror housing 5Z. Thereby, the mirror housing 52, in its normal position, obtains the safe and defined abutment against base plate 62 in forward driving direction 4 in addition ~o the shaft 97 caught by the forks 95, 96. The upper grasping cam 73 is connected to the upper grasping cam 65 by a lower rib 103 against which the upper not shown guiding block abuts from above in the normal position of the mirror housing 52~ The lower grasping cam 74 is connected to the lower grasping cam 66 by an upper rib 104 against which the lower guiding block 72 may abut from below in normal position of the mirror housing 52. Thereby, the mirror housing 52 assumes a vertically defined normal position~ Each of both rearward grasp;ng cams 73, 74 is provided with a slot 78, 99 at the rearward portions thereof into which a gu;ding p;n dips which projects from the r;m 77 (shown ;s only the lower gu;ding p;n 79)~
Dur;ng rearward rock;ng of the mirror housing 52 the spherically formed r;m 77 rolls upon the rearward end 67 of base plate 62, the guiding pins remaining caught within the slots 78, 99. This prevents a slipping off downwardly or upwardly of the mirror housing 52 upon rrcking rearwardly. When rocking rearwardly, the shaft 97 is freed from the forks 95, 96 and the guiding blocks lift from their position between the clamping cam pairs 65, 73 and 66, 74~
The mirror glass 81 is bonded to a mirror glass supporting plate 82. A ball cup 83 projects from the mirror glass supporting plate 82 from the surface thereof which faces away from the mirror glass 81.
lo ~ 1 7 An articulation ball 87 is caught within the ball cup 83 which projects from a plate 53. The plate 53 is screwed upon spaced posts 54, 55 which project from the base 7S of the mirror housing into the interior thereof. A bearing fork 98 is provided on the plate 53 on both sides of the articulation ball 87 within which a shaft 102 is movably retained. The shaft 102 is mounted in parallel studs projecting from the mirror glass supporting plate 82 towards plate 53. The shaft 102 exends transversely to the bearing fork 98~ A
similar bearing fork is provided parallel to bearing fork 98 on the side of the articulation ball 87 opposite to the bearing fork 98.
Within said second bearing fork another shaft is movably retained which is mcunted in corresponding studs on mirror glass supporting plate 82. The common center line of both shafts extends through the center point of the articulation wall 87 if it rests within the ball cup 83, and the common center line extends vertically if the outside rear-view is mounted to a car~
Thus, the posit;on of the mirror glass 81 is adjustable about two perpendicular axes relative to the mirror housing 52 within a predetermined angular range. These axes are the center line of shaft 102 extending subtantially parallel to the mirror glass supporting plate 82 and a line which extends transversely to the center line of shaft 1û2 and through the center point of articulation ball 87 and parallel to the plane of Fig. 3, i.e a horizontal line if the outside rear-view mirror is mounted to a car. Pivoting of the mirror glass 81 about the last mentioned axis yields an upward or downward adjustment of the mirror glass, and pivoting of the mirror glass about the first mentioned axis yields an inward or outward adjustment of the mirror glass.
Such adjustment of the positon of the mirror glass is achieved by a cooperation of transfer members. To this end a rigid intermediate member 105 is connected at one end to an end of rod 56 proximate to the pedestal and at the other end to the mirror glass supporting plate 82 and may pivot about axes parallel to the center line of shaft 102. In the event rod 56 is manipulated from the interior of the car ~4 b 11 1 3 1 ~ 1 7 in direction of arrow S about the center point of ball 57, the mirror 80 tilts outwardly and a manipulation opposite to arrow 5 yields to an inward tilting of mirror glass 81. A rotation of rod 56 about its center line 94 results to upward or downward tilting of mirror glass 81, the shaft 102 moving within the bearing fork 98.
As shown in Fig. 3, the end of the intermediate member 105 within the mirror housing is articulated to a slide 106 which is guided within a slotted guiding part 107 along the rear surface of the mirror glass supporting plate 82 such that the slide 106 may move parallel to the rear side of the mirror glass supporting plate 82.
A light spring 108 coupled between the slide 106 and the mirror glass supporting plate 82 holds the slide 106 at the inner terminal position within the guiding part 107 when the mirror housing 52 assumes its normal position~ During forward or backward rocking of the mirror housing 52 the slide 106 may be drawn along the mirror glass mounting plate 82 against the action of the light spring 108 by the intermediate member 105. The slide 106 is retained always by the guiding part 107 so that the coupling of rod 56 through intermediate member 1û5 to the mirror glass supporting plate 82 is retained.
The forward rocking end position of the mirror housing 52 is defined by abutment of the rim 76' to the lateral wall. AlternativelY, a separate shoulder may be provided from the base plate 62 against which the end wall 70 or a projection therefrom may abut for defining said end position.
As to the drawing of Fig. 3 it is to be noted that the shown section in the range of slot 78 and the bearing fork 98 lies deeper within the shown rear-view mirror than the remaining portions of the shown section.
Claims (12)
1. Outside rear-view mirror for a vehicle, having a pedestal and a mirror housing which may rock forwardly and rearwardly from its normal position relative to the pedestal, the mirror housing having a rim proximate to the pedestal which is held against a substantially flat margin of a base plate of the pedestal on the action of a spring fixed to the pedestal and coupled to an inner portion of the mirror housing, a rearward substantially straight section of the rim forming together with the margin a rearward rocking axis, the rim further surrounding an opening of the mirror housing for passage of the spring or a transfer member coupled to the spring and the pedestal, the improvement comprising a recess within the front portion of the base plate into which a forward portion of the mirror housing proximate to the base plate dips when the mirror housing rocks forwardly.
2. Outside rear-view mirror according to claim 1 wherein a forward open rolling bearing is provided at the front position of the base plate for a ridge formed from the mirror housing inside the rim thereof.
3. Outside rear-view mirror according to claim 2, wherein two spaced forks are fastened to the base plate for removably retaining the ridge.
4. Outside rear-view mirror according to claim 2 wherein the base plate includes a shoulder for abutment of the rim for defining the forward end position for the forwardly rocking movement of the mirror housing.
5. Outside rear-view mirror according to claim 4 wherein the mirror housing is provided with a stud for abutment to the shoulder.
6. Outside rear-view mirror accoding to claim 4 wherein the shoulder is formed from a transverse wall extending inwardly from the base plate which also limits the recess rearwardly.
7. Outside rear-view mirror according to claim 1 wherein the recess is limited by a concave wall and a substantially plane transverse wall and is covered by the mirror housing in the normal position thereof.
8. Outside rear-view mirror according to claim 1 wherein the spring is fastened to the base plate by a flexible web and a hook pivotably mounted to the base plate, the spring abutting an end wall proximate to the pedestal.
9. Outside rear-view mirror according to claim 1 wherein an adjustment device for the mirror glass including articulatedly connected transfer members is linked to a slide which is guided movably along the rearward surface of a mirror glass supporting plate and is connected to a further spring coupled to the mirror glass supporting plate.
10. Outside rear-view mirror according to claim 1 wherein two spaced pairs of spaced grasping cams project from the base plate and wherein two blocks project from an end wall of the mirror housing proximate to the pedestal, each block, in the normal position of the mirror housing, being accomodated between two grasping cams of a pair.
11. Outside rear-view mirror according to claim 10 wherein the upper grasping cams are connected by a lower rib and the lower grasping cams are connected by an upper rib, each of the blocks being adapted to abut the ribs from above and below, respectively.
12. Outside rear-view mirror according to claim 1 wherein at least one pin projects from the rearward straight portion of the rim towards the base plate for being retained within a horizontal slot formed from the base plate.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE8707844 | 1987-06-02 | ||
| DEG8707844.9 | 1987-06-02 | ||
| DE8709610U DE8709610U1 (en) | 1987-06-02 | 1987-07-13 | Exterior rearview mirror |
| DEG8709610.2 | 1987-07-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1314417C true CA1314417C (en) | 1993-03-16 |
Family
ID=25951831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000568291A Expired - Fee Related CA1314417C (en) | 1987-06-02 | 1988-06-01 | Outside rear-view mirror |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP0297284A3 (en) |
| CA (1) | CA1314417C (en) |
| DE (1) | DE8709610U1 (en) |
| MX (1) | MX172464B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE8709610U1 (en) * | 1987-06-02 | 1987-11-26 | Hohe Kg, 6981 Collenberg | Exterior rearview mirror |
| AU617450B2 (en) * | 1988-05-05 | 1991-11-28 | Britax Rainsfords Pty Ltd | Break-away mirror mechanism |
| ES2029188A6 (en) * | 1991-03-13 | 1992-07-16 | Fico Mirrors Sa | Retraction mechanism for exterial rearview mirrors of motor vehicles |
| DE4328994C2 (en) * | 1993-08-28 | 1995-09-21 | Reitter & Schefenacker Gmbh | External rear view mirror for vehicles, in particular motor vehicles, which can be pivoted about a standing axis |
| DE102010001268A1 (en) | 2010-01-27 | 2011-07-28 | Ford Global Technologies, LLC, Mich. | External rear view mirror for motor vehicle, has base part for determining at vehicle and mirror part with housing and mirror surface, where swivel device is provided with double pivot hinge with two swivel joints |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2432707A1 (en) * | 1974-07-08 | 1976-01-29 | Thermoplast & Apparatebau Gmbh | Wing mirror with safety flyback feature - with jointed plastic coupling section with locating pegs under spring pressure |
| DE3220893A1 (en) * | 1982-06-03 | 1983-12-08 | Hohe Kg, 6981 Collenberg | Exterior rearview mirror with restraining lever for vehicles |
| US4679758A (en) * | 1984-08-18 | 1987-07-14 | Britax Wingard Limited | Exterior rearview mirrors for vehicles |
| GB8525778D0 (en) * | 1985-10-18 | 1985-11-20 | Britax Wingard Ltd | Exterior rear view mirrors |
| DE8709610U1 (en) * | 1987-06-02 | 1987-11-26 | Hohe Kg, 6981 Collenberg | Exterior rearview mirror |
-
1987
- 1987-07-13 DE DE8709610U patent/DE8709610U1/en not_active Expired
-
1988
- 1988-05-27 EP EP88108463A patent/EP0297284A3/en not_active Withdrawn
- 1988-06-01 CA CA000568291A patent/CA1314417C/en not_active Expired - Fee Related
- 1988-06-02 MX MX1174988A patent/MX172464B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE8709610U1 (en) | 1987-11-26 |
| EP0297284A3 (en) | 1989-02-01 |
| EP0297284A2 (en) | 1989-01-04 |
| MX172464B (en) | 1993-12-17 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKLA | Lapsed |