Joints and connections – Articulated members – Pivoted
Patent
1987-05-27
1988-06-14
Kundrat, Andrew V.
Joints and connections
Articulated members
Pivoted
403133, 403140, F16B 300, F16D 112
Patent
active
047508850
ABSTRACT:
A ball joint for transmission rods in motor vehicles comprising a bearing member made of a plastic material and arranged between a ball head (2) and a joint housing (1). The bearing member exerts a radial pressure on the ball head and comprises an outer shell (4) having a spherical inner surface (16) and an inner shell (5) having a spherical inner surface (17). To preload the ball head (2), as independently as possible of dimension variations and to elastically damp shock loads, the outer shell (4) is made of a hard resilient plastic material, the inner shell has stop surfaces (21) on an end surface (18) thereof, is supported by resiliently deformable elevations (19) against the outer shell, and groove-like openings (20) are formed between the resiliently deformable elevations (19) and the stop surfaces (21), into which openings the elevations (19) are elastically deformed. The stop surfaces (21) contact the outer shell (4) when the elevations (19) are completely deformed into the openings (20).
REFERENCES:
patent: 3787127 (1974-01-01), Cutler
patent: 3967907 (1976-07-01), Schmidt
patent: 4297047 (1981-10-01), Farrant
patent: 4372621 (1983-02-01), Farrant
patent: 4564307 (1986-01-01), Ito
Werkstoffe und Werkstoffprufung (Industrial Material and Material Testing), vol. 2, pp. 392, 393., K. Wellinger and E. Krageloh.
Kundrat Andrew V.
TRW Ehrenreich GmbH & Co. KG
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