Land vehicles – Wheeled – Articulated vehicle
Patent
1989-11-20
1991-09-24
Marmor, Charles A.
Land vehicles
Wheeled
Articulated vehicle
280486, B60D 114
Patent
active
050509012
ABSTRACT:
Two-way shock proof and shock absorbing towing coupling, including two opposite planar chain holders, each holder having at least two equally spaced lugs; at least four pairs of chains, each pair having two chain sections, each chain section having a plate link and a joint connected by a pin, two ends of each pair of chains being connected with the opposite lugs on the opposite planar chain holders by pins respectively; two towing frames for connecting with two neighboring vehicles, each frame having at least two arms, each of the arms being connected pivotally with another end of each chain section in each pair of chains, at least one shock proof bearing spring provided between two planar chain holders and the spring being coaxial with the two towing frames, the two nds of the spring abutting against an inner surface of the planar chain holders respectively, and a piston sleeve.
This towing coupling may be used for connecting combination vehicles of water or land transportation so as to increase efficiency and benefit of transportation and service life and safety of transportation facilities.
REFERENCES:
patent: 2238095 (1941-04-01), Almcrantz
patent: 2727581 (1955-12-01), Wright
patent: 2822188 (1958-02-01), Begin
patent: 3498488 (1970-03-01), Wildey et al.
patent: 3550710 (1970-12-01), Spanski
Kagen Alan M.
Marmor Charles A.
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