Portable launcher-unloader for boat trailers

Details Portable launcher-unloader for boat trailers Portable launcher-unloader for boat trailers

1991-11-07

1992-10-13

Bucci, David A.

Material or article handling

Self-loading or unloading vehicles

Winch and idler-pulley-traversing haulage cable for ejecting...

2804141, 414529, 414559, B60P 310

Patent

active

051545640

ABSTRACT:
A portable device for launching-unloading a boat (24) from a boat trailer (10) wherein a winch rope snap (46) is snapped in to a boat bow eye (26) and a winch rope (36) is extended through a swivel pulley (38) attached to the rear trailer frame cross member (16) and continued forward to the launching winch (28). Upon activation of the launching winch (28) a rearward directional thrust is developed causing the boat (24) to move off of the trailer (10).

REFERENCES:
patent: 3132758 (1964-05-01), Linton
patent: 3149735 (1964-09-01), Bleecker
patent: 3263845 (1966-08-01), Davidson
patent: 3303952 (1967-02-01), Bissinger
patent: 3682335 (1972-08-01), Smyth
patent: 3951433 (1976-04-01), Starkey
patent: 3971484 (1976-07-01), Anderson et al.
patent: 4050595 (1977-09-01), Bussard
patent: 4319862 (1982-03-01), Cook
patent: 4946333 (1990-08-01), Boatwright
patent: 5013206 (1991-05-01), Ernst et al.

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