Synchronizing device
First Claim
1. An indexing gear assembly (20, 30, 50a, 50b, 60a, 60b) for a synchronizing device for a geared speed change transmission installed in motor vehicles, comprising an indexing gear (21, 31, 41, 51, 61), a coupling body (22, 32, 52, 62) and a friction ring (23, 33, 53, 63), the coupling body (22, 32, 52, 62) having external gearing which is adapted to be joined form-locking with a sliding connector during a shifting operation, the friction ring (23, 33, 53, 63) includes a conical friction area (28, 38, 58a, 58b, 68a, 68b, 68c) which is adapted to interact with a synchronizing ring during synchronization, the indexing gear (21, 31, 51, 61), the coupling body (22, 32, 53, 63) and the friction ring (23, 33, 53, 63) being constructed as component parts which are prefabricated and are joined in a rotatably fixed manner with each other to create the indexing gear subassembly (20, 30, 50a, 50b, 60a, 60b).
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Accused Products
Abstract
The invention relates to an indexing gear (21) for a synchronizing device (1) for a geared speed change transmission installed in motor vehicles to which a coupling body (22) as well as a friction ring (23) are allocated. In accordance with the invention, the indexing gear (21), the coupling body (22) as well as the friction ring (23) are constructed as component parts which can be prefabricated, which are joined in a rotatably fixed manner.
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Citations
10 Claims
- 1. An indexing gear assembly (20, 30, 50a, 50b, 60a, 60b) for a synchronizing device for a geared speed change transmission installed in motor vehicles, comprising an indexing gear (21, 31, 41, 51, 61), a coupling body (22, 32, 52, 62) and a friction ring (23, 33, 53, 63), the coupling body (22, 32, 52, 62) having external gearing which is adapted to be joined form-locking with a sliding connector during a shifting operation, the friction ring (23, 33, 53, 63) includes a conical friction area (28, 38, 58a, 58b, 68a, 68b, 68c) which is adapted to interact with a synchronizing ring during synchronization, the indexing gear (21, 31, 51, 61), the coupling body (22, 32, 53, 63) and the friction ring (23, 33, 53, 63) being constructed as component parts which are prefabricated and are joined in a rotatably fixed manner with each other to create the indexing gear subassembly (20, 30, 50a, 50b, 60a, 60b).
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9. An indexing gear assembly (20, 30, 50a, 50b, 60a, 60b) for a synchronizing device for a geared speed change transmission installed in motor vehicles, comprising an indexing gear (21, 31, 41, 51, 61), a coupling body (22, 32, 52, 62) and a friction ring (23, 33, 53, 63), the coupling body (22, 32, 52, 62) having external gearing which is adapted to be joined form-locking with a sliding connector during a shifting operation, the friction ring (23, 33, 53, 63) includes a conical friction area (28, 38, 58a, 58b, 68a, 68b, 68c) which is adapted to interact with a synchronizing ring during synchronization, the indexing gear (21, 31, 51, 61), the coupling body (22, 32, 53, 63) and the friction ring (23, 33, 53, 63) being constructed as component parts which are prefabricated and are joined in a rotatably fixed manner with each other to create the indexing gear subassembly (20, 30, 50a, 50b, 60a, 60b), wherein the indexing gear (21, 31, 41, 51, 61) is constructed as a casting, the coupling body (22, 32, 52, 62) is constructed as a high quality stamped metal part and the friction ring (23, 33, 53, 63) is manufactured in a drawing process without cutting.
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10. An indexing gear assembly (20, 30, 50a, 50b, 60a, 60b) for a synchronizing device for a geared speed change transmission installed in motor vehicles, comprising an indexing gear (21, 31, 41, 51, 61), a coupling body (22, 32, 52, 62) and a friction ring (23, 33, 53, 63), the coupling body (22, 32, 52, 62) having external gearing which is adapted to be joined form-locking with a sliding connector during a shifting operation, the friction ring (23, 33, 53, 63) includes a conical friction area (28, 38, 58a, 58b, 68a, 68b, 68c) which is adapted to interact with a synchronizing ring during synchronization, the indexing gear (21, 31, 51, 61), the coupling body (22, 32, 53, 63) and the friction ring (23, 33, 53, 63) being constructed as component parts which are prefabricated and are joined in a rotatably fixed manner with each other to create the indexing gear subassembly (20, 30, 50a, 50b, 60a, 60b), wherein the component parts of the subassembly (20, 30, 40, 50a, 50b, 60a, 60b) are manufactured of different materials, the indexing wheel (21, 31, 41, 51, 61) being made of high quality casting GS 45, the clutch (22, 32) being made of one of C 15 and CK 15;
- and the friction ring being made of one of 100 Cr 6;
16 Mn Cr 5 and C 80 M.
- and the friction ring being made of one of 100 Cr 6;
Specification