Trailer hitch for a motor vehicle

Details Trailer hitch for a motor vehicle Trailer hitch for a motor vehicle

2007-01-09

2007-01-09

Morris, Lesley D. (Department: 3611)

Land vehicles

Wheeled

Articulated vehicle

C280S492000, C280S446100, C280S432000

Reexamination Certificate

active

10959726

ABSTRACT:
A trailer hitch for a motor vehicle includes a towbar (2) having an arm (1) and a ball cup (3) provided with an opening and with a ball pivot (6). The ball pivot (6) has a ball head (4) and a pivot (5) and is mounted with the ball head (4) rotatably and pivotably in the ball cup (3) and passes through an opening (7) and juts out of the ball cup (3). An angle-measuring device having a signal transmitter (17) and two sensors (40, 41) is arranged in the joint unit formed from the ball cup (3) and the ball head (4).

REFERENCES:
patent: 3947839 (1976-03-01), Zigmant
patent: 4988116 (1991-01-01), Evertsen
patent: 5861814 (1999-01-01), Clayton
patent: 5951035 (1999-09-01), Phillips et al.
patent: 6053521 (2000-04-01), Schertler
patent: 6806809 (2004-10-01), Lee et al.
patent: 6879240 (2005-04-01), Kruse
patent: 6956468 (2005-10-01), Lee et al.
patent: 7017701 (2006-03-01), Flynn et al.
patent: 198 34 752 (1999-07-01), None
patent: 198 10 378 (1999-09-01), None

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