Coupling device

Claim 5

A coupling device for transmitting a rotary torque from a first part to a second part, said coupling device comprising: coaxial first and second members connected, respectively, to said first and second parts for joint rotation therewith, a driving plate member coaxially arranged between said first and second members, said driving plate member being fixedly connected to one of said first and second members at a predetermined distance from the end face thereof facing said driving plate member; the other of said first and second members comprising at least two driving pins projecting from the end face thereof facing said driving plate member, said driving plate member comprising opening means for engaging outer surfaces of said at least two driving pins; said coupling device further comprising means for maintaining a predetermined distance between said end faces of said one and other members.

Claim 6

A coupling device for transmitting a rotary torque from a first part to a second part, said coupling device comprising: coaxial first and second members connected, respectively, to said first and second parts for joint rotation therewith, a driving plate member coaxially arranged between said first and second members, said driving plate member being fixedly connected to one of said first and second members at a predetermined distance from the end face thereof facing said driving plate member; the other of said first and second members comprising at least two driving pins projecting from the end face thereof facing said driving plate member, said driving plate member comprising opening means for engaging outer surfaces of said at least two driving pins; said coupling device further comprising means for maintaining a predetermined distance between said end faces of said one and other members.

Claim 7

A coupling device according to claim 3 wherein said means for maintaining a predetermined distance between said end faces comprises a projection on one of said end faces for abutting another of said end face.

Claim 10

A device according to claim 5, wherein a first surface adjacent to an end face of said second eccentrically mounted driving pin is more inclined with reference to the central axis of said device than a second surface adjacent to a surface of said first member.

Claim 13

A device according to claim 7, wherein said distance is in the region between the width of said eccentrically arranged driving pin at its base and the width thereof at its border between the two differently inclined surfaces.

Claim 16

A device according to claim 9, wherein the angle of the related cone is smaller at said first region than the angle of the related cone at said second region.

Claim 17

A device accordimg to claim 10, wherein one of said plurality of openings is circular and the diameter of said circular opening is smaller than the diameter at the base of said centrically arranged first driving pin but bigger than the diameter of the top frontal face of said first driving pin.

Claim 18

A device according to claim 11, wherein the diameter of said circular opening corresponds to a mean value between the maximal and the minimal diameter of the truncated cone shaped nappe region of said centrically arranged first driving pin.

Claim 20

A device according to claim 13, wherein said driving plate is made of elastically deformable spring steel. .Iadd.

Claim 21

A coupling device for establishing and maintaining coupled parts in an accurate positional relationship comprising: first and second separable coupling members, said first coupling member comprising at least two pins protruding from an end face thereof, said second member comprising a body and a first surface facing said first coupling member when said second coupling member is coupled thereto, said first surface comprising a plurality of openings corresponding in location to said pins, each of said pins comprising a beveled surface on opposite sides, each of said openings having at least one edge for engaging the beveled surfaces of at least two of said pins, means for pressing said first and second members towards each other; and means for maintaining a predetermined distance between said end faces of said first and second coupling members when they are pressed towards each other. .Iaddend. .Iadd.16. A coupling device according to claim 15 wherein said means for maintaining a predetermined distance between said end faces comprises a projection on an end face of one of said members for abutting an end face of the other of said members. .Iaddend. .Iadd.17. A coupling device according to claim 16 wherein said pins and said openings establish the positional relationship between said first and second coupling members in one plane and said means for maintaining a predetermined distance establishes the positional relationship in the direction perpendicular to that plane. .Iaddend. .Iadd.18. The coupling device of claim 17 wherein said first surface is elastically deformable and spaced from said body in the vicinity of said openings, and the width of each of said openings is equal to a width of the corresponding pin on the beveled surfaces so that, when said first and second coupling members are pressed towards each other, said edges contact said beveled surfaces. .Iaddend. .Iadd.19. The coupling device of claim 16 wherein said first surface is elastically deformable and spaced from said body in the vicinity of said openings, and the width of each of said openings is equal to a width of the corresponding pin on the beveled surfaces so that, when said first and second coupling members are pressed towards each other, said edges contact said beveled surfaces. .Iaddend. .Iadd.20. The coupling device of claim 15 wherein said first surface is elastically deformable in the vicinity of said openings. .Iaddend. .Iadd.21. The coupling device of claim 20 wherein said first surface is spaced from said body in the vicinity of said openings. .Iaddend. .Iadd.22. The coupling device of claim 21 wherein the width of each of said openings is equal to a width of the corresponding pin on the beveled surfaces so that, when said first and second coupling members are pressed towards each other, said edges contact said beveled surfaces. .Iaddend. .Iadd.23. The coupling device of claim 15 wherein said first surface is spaced from said body in the vicinity of said openings. .Iaddend. .Iadd.24. The coupling device of claim 15 wherein the width of each of said openings is equal to a width of the corresponding pin on the beveled surfaces so that, when said first and second coupling members are pressed towards each other, said edges contact said beveled surfaces. .Iaddend. .Iadd.25. The coupling device of claim 15 wherein at least one of said pins is eccentrically mounted and the corresponding one of said openings comprises two parallel opposite edges for engaging beveled opposite edges of the eccentrically mounted pin. .Iaddend. .Iadd.26. A coupling device according to claim 25 wherein said means for maintaining a predetermined distance between said end faces comprises a projection on an end face of one of said members for abutting an end face of the other of said members. .Iaddend. .Iadd.27. A coupling device according to claim 26 wherein said pins and said openings establish the positional relationship between said first and second coupling members in one plane and said means for maintaining a predetermined distance establishes the positional relationship in the direction perpendicular to that plane. .Iaddend. .Iadd.28. The coupling device of claim 27 wherein said first surface is elastically deformable and spaced from said body in the vicinity of said openings, and the width of each of said openings is equal to a width of the corresponding pin on the beveled surfaces so that, when said first and second coupling members are pressed towards each other, said edges contact said beveled surfaces. .Iaddend. .Iadd.29. The coupling device of claim 26 wherein said first surface is elastically deformable and spaced from said body in the vicinity of said openings, and the width of each of said openings is equal to a width of the corresponding pin on the beveled surfaces so that, when said first and second coupling members are pressed towards each other, said edges contact said beveled surfaces. .Iaddend. .Iadd.30. The coupling device of claim 15 further comprising an aperture through each of said first and second coupling members perpendicular to the face thereof and means extending through said aperture for pressing said first and second coupling members together. .Iaddend. .Iadd.31. A coupling device according to claim 30 wherein at least one of said pins is eccentrically mounted with respect to said aperture, said first surface comprising an eccentrically arranged opening having two opposite edges extending parallel to the radius of said aperture, the distance between said two parallel edges of said eccentric opening being smaller than the width of said eccentrically arranged pin at its base, but bigger than the width thereof at its top, both widths being measured in a direction perpendicular to said radius. .Iaddend. .Iadd.32. The coupling device of claim 31 wherein said first surface is elastically deformable and spaced from said body in the vicinity of said openings. .Iaddend. .Iadd.33. The coupling device of claim 30 wherein said first surface is elastically deformable and spaced from said body in the vicinity of said openings, and the width of each of said openings is equal to the width of the corresponding pin on the beveled surfaces so that, when said first and second coupling members are pressed towards each other, said edges contact said beveled surfaces. .Iaddend.