Catamaran dolly

Details Catamaran dolly Catamaran dolly

1978-09-29

1981-01-06

Pekar, John A.

Land vehicles

Wheeled

Tiltable vehicles, stabilized by attendant or article

280414A, 308215, 308DIG8, 308DIG9, B60P 310, F16C 1946

Patent

active

042432391

ABSTRACT:
The present dolly for catamarans has soft-walled, inflatable tires which expand axially under load to keep the load pressure on each tire not more than 2 psi where the tire tread engages the ground. Self-lubricating needle bearings are engaged between each ground wheel and a hollow axle. The axle is covered by rubber sleeves axially outboard of the tires. Annular hull chocks are attached to the opposite ends of the axle, and each chock has a convex inboard face which is covered with outdoor carpeting. A flexible line extends through the axle and beyond the axle at each end for releasable attachment to the catamaran hulls.

REFERENCES:
patent: 1207449 (1916-12-01), Vogel
patent: 2406069 (1946-08-01), Freeman
patent: 3993324 (1976-11-01), Carrick
patent: 4010962 (1977-03-01), Groblebe
CAT TRAX, Hobbie Hot Line, Jul.-Aug. 78, p. 24.
Cat-A-Puller, Hobbie Hot Line, Nov.-Dec. 76, p. 6.
Terra-Tires, SAE Journal, Mar. 59, p. 13.

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