Mechanism for limiting deflection of a door

Claim 2

A mechanism for limiting the outward swing of a door which is pivotally secured to a relatively fixed part by hinge means, characterized in that a spring-held roller means is arranged within the door which is coordinated to a curved member mounted at the fixed part, said curved member being provided with running surface means forming detent means for the roller means, characterized in that the fixed part is in the form of a door column, said curved member being pivotally secured at said door column about an axis disposed substantially parallel to the axis of the spring-held roller means and being guided in the door between the spring-held roller means and a support roller means, characterized in that the curved member is secured in a bearing support means having a pivot axis disposed substantially parallel to the hinge axis whereas the running surface means of the curved member are constructed as concentric circular arcs relative to the hinge axis, and characterized in that the spring-held roller means and the support roller means are arranged approximately radially to the hinge axis one behind the other whereby the support roller means is disposed radially inwardly of the springheld roller means.

Claim 3

A mechanism according to claim 1, characterized in that the running surface means of the curved member for the spring-held roller means is provided with several cams which form therebetween recesses whose radius of curvature corresponds approximately to the radius of the spring-held roller means.

Claim 4

A mechanism according to claim 2, characterized in that the curved member is provided at its end with an outwardly directed extension projecting radially outwardly with respect to the hinge axis, the running surface means provided with the cams rising in the direction toward said extension.

Claim 5

A mechanism according to claim 3, characterized in that the spring-held roller means is retained by a pivot arm arranged approximately tangentially to the running surface means of the curved member, said pivot arm being spring loaded by spring means engaging thereon within the area of the spring-held roller means.

Claim 6

A mechanism according to claim 4, characterized in that the spring-held roller means and the support roller means are arranged within the area of the front surface of the door.

Claim 7

A mechanism according to claim 5, characterized in that the spring means are disposed approximately parallel to the front surface of the door.

Claim 8

A mechanism according to claim 6, characterized in that the spring-held roller means, the pivot arm, the spring means and the support roller means include a common mounting means which is inserted into the door.

Claim 9

An arrangement for limiting the swinging movement of a door which is secured to a relatively fixed part by hinge means for swinging pivotal movement about a hinge axis; said arrangement comprising: camming member means attached to one of said fixed part and said door, said camming member means having a running surface with camming detent means formed therein, and resiliently biased roller means attached to the other of said fixed part and said door for resiliently engaging with said detent means for limiting swinging movement of said door, wherein said running surface extends substantially along a circular arc which is concentric to the hinge axis, wherein said camming member means includes a curved support surface oppositely disposed with respect to said running surface, and wherein back-up roller means are attached to said other of said fixed part and said door for engagement with said curved support surface, wherein said curved support surface extends substantially along a circular arc which is concentric to the hinge axis and to the circular arc of said running surface, and wherein the roller axes of said resiliently biased roller means and said back-up roller means are parallEl to said hinge axis and are aligned with one another along a radius extending from said hinge axis.

Claim 10

An arrangement for limiting the swinging movement of a door which is secured to a relatively fixed part by hinge means for swinging pivotal movement about a hinge axis; said arrangement comprising: camming member means attached to one of said fixed part and said door, said camming member means having a running surface with camming detent means formed therein, and resiliently biased roller means attached to the other of said fixed part and said door for resiliently engaging with said detent means for limiting swinging movement of said door, wherein said running surface extends substantially along a circular arc which is concentric to the hinge axis, wherein said camming member means includes a curved support surface oppositely disposed with respect to said running surface, and wherein back-up roller means are attached to said other of said fixed part and said door for engagement with said curved support surface, wherein said curved support surface extends substantially along a circular arc which is concentric to the hinge axis and to the circular arc of said running surface, and wherein the roller axes of said resiliently biased roller means and said back-up roller means are parallEl to said hinge axis and are aligned with one another along a radius extending from said hinge axis.

Claim 11

An arrangement according to claim 8, wherein said support surface is a smooth uninterrupted surface along the extent thereof which engages with said support roller means during movements of said door about said hinge axis.

Claim 12

An arrangement according to claim 9, wherein said camming detent means are formed as a plurality of recesses spaced circumferentially from one another along the circular arc of said running surface and extending radially inwardly in a direction toward said support surface, and wherein the respective radii of curvature of each of said recesses correspond approximately to the radius of the resiliently biased roller means.

Claim 13

An arrangement according to claim 8, wherein said back-up roller means is disposed radially inwardly of said resiliently biased roller means with respect to said hinge axis.

Claim 14

An arrangement according to claim 8, wherein said camming detent means are formed as inwardly curved recesses having radii of curvature corresponding approximately to the radius of the resiliently biased roller means.

Claim 15

An arrangement according to claim 8, wherein said camming member means is attached to said fixed part and wherein said resiliently biased roller means and said back-up roller means are attached to said door.

Claim 16

An arrangement according to claim 11, wherein said camming member means is attached to said fixed part and wherein said resiliently biased roller means and said back-up roller means are attached to said door.

Claim 17

An arrangement according to claim 11, wherein said camming detent means are formed as inwardly curved recesses having radii of curvature corresponding approximately to the radius of the resiliently biased roller means.

Claim 18

An arrangement according to claim 12, wherein said camming member means is attached to said fixed part and wherein said resiliently biased roller means and said back-up roller means are attached to said door.

Claim 19

An arrangement according to claim 8, wherein the camming member means is provided at its end with an outwardly directed extension projecting radially outwardly with respect to the hinge axis, the running surface rising in the direction toward said extension.

Claim 20

An arrangement according to claim 8, wherein said door is part of a passenger motor vehicle, and wherein said fixed part is in the form of a door column on said motor vehicle.

Claim 21

An arrangement according to claim 15, wherein said camming member means is attached to said fixed part and wherein said resiliently biased roller means and said back-up roller means are attached to said door.

Claim 22

An arrangement according to claim 19, wherein said camming member means is attached to said fixed part for pivotal motion about an axis which is parallel to said hinge axis for accommodating manufacturing tolerances in the construction of said camming member means.

Claim 23

An arrangement according to claim 17, wherein the resiliently biased roller means is retained by a pivot arm arranged approximately tangentially to the running surface of the camming member means, said pivot arm being spring loaded by spring means engaging thereon with the area of the resiliently biased roller means.

Claim 24

An arrangement according to claim 21, wherein the resiliently biased roller means and the support roller means are arranged within the area of the front surface of the door.

Claim 25

An arrangement according to claim 22, wherein the spring means are disposed approximately parallel to the front surface of the door.

Claim 26

An arrangement according to claim 23, wherein the resiliently biased roller means, the pivot arm, the spring means and the support roller means include a common mounting means which is inserted into the door.