Land vehicles – Wheeled – Articulated vehicle
Reexamination Certificate
1998-03-09
2002-06-11
Dickson, Paul N. (Department: 3613)
Land vehicles
Wheeled
Articulated vehicle
C280S491200, C280S479100
Reexamination Certificate
active
06402178
ABSTRACT:
BACKGROUND OF THE INVENTION
The invention relates to a trailer coupling for motor vehicles with a bar on which a ball is located in the usual manner.
As long as trailer couplings are not used the ball-bar protruding beyond the rear bumber disturbs. For solving this problem trailer couplings are known whose ball-bar may be disassembled. It has been found that the disadvantage of the known trailer couplings is that the disassembly of the ball-bar is physically very demanding.
BRIEF SUMMARY OF THE INVENTION
It is the object of the invention to put forward a trailer coupling which does not have this disadvantage.
The object is solved by the features of patent claim
1
.
Further advantageous formations of the invention are described in the dependent claims
2
to
8
.
REFERENCES:
patent: 3473826 (1969-10-01), Elliott et al.
patent: 3649048 (1972-03-01), Garnett
patent: 3717362 (1973-02-01), Johnson
patent: 3891239 (1975-06-01), Leo et al.
patent: 3929237 (1975-12-01), Schaedler
patent: 4078827 (1978-03-01), Pilhall
patent: 4109930 (1978-08-01), Pilhall
patent: 4283072 (1981-08-01), Deloach
patent: 4570966 (1986-02-01), Giboney et al.
patent: 4744583 (1988-05-01), Blackwood
patent: 4807899 (1989-02-01), Belcher
patent: 5401047 (1995-03-01), Dettling
Bartz C. T.
Dickson Paul N.
Jaeger Cartronix GmbH
Striker Michael J.
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