Land vehicles – Wheeled – Articulated vehicle
Patent
1991-04-12
1992-02-18
Olszewski, Robert P.
Land vehicles
Wheeled
Articulated vehicle
280511, B60D 101
Patent
active
050887530
ABSTRACT:
A coupling device for converting a three-point hitch to either a ball or pin type hitch. The coupling device includes a main longitudinally extending support member having a forward end and a rearward end. The forward end has a ball or pin secured thereto. The forward end is designed to be secured to the forward ends of the two side arms of a three-point hitch. The device also includes a locking member secured at the rear section of the main support member. The locking member comprising a cross support member which terminates in a pair of lateral spaced ends, which have a projection extending therefrom. Each of the projections having a hole that is in axial alignment so as to receive a first locking pin therethrough. The projections have a length such that when the device is mounted on two arms of a three-point hitch, the first locking pin passes through said aligned holes in the projections so as to capture the two arms between the cross support member and pin.
REFERENCES:
patent: 2940775 (1960-06-01), Farrow et al.
patent: 3093394 (1963-06-01), McCollum
patent: 3827724 (1974-08-01), Ackley
patent: 3905619 (1975-09-01), Sylvester
patent: 4199167 (1980-04-01), Points
patent: 4214776 (1980-07-01), Nurse
patent: 4625989 (1986-12-01), Allen et al.
patent: 4729571 (1988-03-01), Tienstra
Olszewski Robert P.
Reiss Steven M.
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