Land vehicles – Wheeled – Articulated vehicle
Patent
1991-02-25
1992-10-27
Hill, Mitchell J.
Land vehicles
Wheeled
Articulated vehicle
414462, 414534, B60P 310
Patent
active
051583151
ABSTRACT:
In a boat trailer having a frame including a crossbar, and a pair of bunks for supporting a boat thereon, a support assembly for vertically adjustably supporting the bunks on the crossbar including a post unit connected to the crossbar, a bracket unit connected to the bunk, fastening means releasably connecting the post unit and the bracket unit for relative movement therebetween, and a jack screw unit connected between the post unit and the bracket unit for effecting incremental movement therebetween for adjustment of the bunks relative to the frame without the need of effecting a complete separation of the post unit and bracket unit by removal of the fastening means.
REFERENCES:
patent: 3077276 (1963-02-01), Thwreatt
patent: 3122245 (1964-02-01), MacKusick et al.
patent: 3131902 (1964-05-01), Zak, Jr.
patent: 3993324 (1976-11-01), Carrick
patent: 4779887 (1988-10-01), Briggs
patent: 5002299 (1991-03-01), Firehammer et al.
patent: 5060963 (1991-10-01), Godbersen
patent: 5076603 (1991-12-01), Godbersen
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