Land vehicles – Ski or skate appliance or attachment – Scabbards for ice or roller skates
Patent
1975-08-04
1977-03-15
Blix, Trygve M.
Land vehicles
Ski or skate appliance or attachment
Scabbards for ice or roller skates
9 12, 280414R, B60P 152
Patent
active
040119580
ABSTRACT:
A boat trailer utilized particularly for transporting "shoal" or shallow keel sailboats behind a towing vehicle. The trailer includes a series of central keel rollers that receive and provide support for the sailboat along its fixed longitudinal keel. On either side of the keel rollers are resilient elongated bunks for engaging the sailboat hull and providing some support as well as preventing lateral tipping of the sailboat when held in a loaded condition. The resiliency of the bunks enables them to conform intimately to the hull of the sailboat. The bunks include areal hull engaging surfaces over which the weight of the boat is evenly distributed. Toggle mechanisms are provided at rearward ends of the bunks and are operable to laterally separate the rearward bunk ends. When operated, the bunks may be moved between a substantially parallel operative orientation whereat the boat hull is provided maximum support, and inoperative positions wherein the bunks are spaced laterally further apart at their rearward ends and converge forwardly to their forward ends. The latter position facilitates loading and unloading of the sailboat.
REFERENCES:
patent: 3021969 (1962-02-01), Peake et al.
patent: 3069038 (1962-12-01), Ahlbin
patent: 3124259 (1964-03-01), Goettl
patent: 3130842 (1964-04-01), Melloni
patent: 3138271 (1964-06-01), DeLay et al.
patent: 3228543 (1966-01-01), Cowan
patent: 3447815 (1969-06-01), West
patent: 3603465 (1971-09-01), King
patent: 3812988 (1974-05-01), Pyle
Blix Trygve M.
Calkins Manufacturing Company
Frankfort Charles E.
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