Motor vehicles – Surface effect vehicles – Dynamic seal or fluid curtain
Patent
1988-03-14
1989-03-07
Marmor, Charles A.
Motor vehicles
Surface effect vehicles
Dynamic seal or fluid curtain
180134, 280426, 280468, 56 136, B62D 510
Patent
active
048098051
ABSTRACT:
The articulated vehicle of the present invention includes a front frame and a rear frame which are interconnected by a universal coupling joint which is capable of pivoting about a vertical axis and about a horizontal axis. Mower decks may be mounted on the vehicle and raised and lowered by hydraulic cylinders. Hydraulic cylinders are also used to cause articulated movement with respect to the front and rear frames about a vertical axis.
REFERENCES:
patent: 3357513 (1967-12-01), Sundberg
patent: 3360925 (1968-01-01), Zimmerman
patent: 3521720 (1970-07-01), Korotkin
patent: 4111273 (1978-09-01), Blackburn et al.
patent: 4538400 (1985-09-01), Hottes
Marmor Charles A.
McGiehan Donn
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