Ships – Vessel raising and docking
Patent
1992-03-06
1993-05-18
Peters, Jr., Joseph F.
Ships
Vessel raising and docking
114268, 114242, 114270, B63C 700, B63B 2156, B63B 3500, B63B 3573
Patent
active
052111245
ABSTRACT:
A winch construction for a boat lift. The winch includes a pair of spaced side plates, and a shaft is journaled in aligned openings in the side plates. The ends of the shaft project beyond the side plates and a drum is located between the side plates and is journaled on the shaft. A chain drive connects one projecting end of the shaft to a second shaft which is journaled in the side plates, and a second speed reduction chain drive connects the second shaft with the drum which carries a cable which is attached to the boat lift. A hand wheel is connected to a hub that is threaded on the opposite projecting end of the shaft, and an annular ratchet is located between the hub and a backing plate attached to the respective side plate. The ratchet is composed of a brake material and has a brake surface facing the backing plate. To elevate the boat lift, the hand wheel is rotated causing the hub to move axially on the shaft and effecting engagement of the brake surface with the backing plate. With the brake engaged, further rotation of the hand wheel will rotate the shaft and rotation of the shaft will be transmitted through the chain drive to rotate the drum and wind the cable on the drum. The outer periphery of the ratchet has a plurality of teeth which are engaged by a pawl, which engagement serves to hold the boat lift at an elevated position and prevent unwinding of the cable from the drum.
REFERENCES:
patent: 2229110 (1941-01-01), McKinnon
patent: 4787327 (1988-11-01), Porter
patent: 5051027 (1991-09-01), Horton
patent: 5090842 (1992-02-01), Montgomery
patent: 5143182 (1992-09-01), Basta
Brochure--Triton Corporation, Allenton, Wisc.
Lee Kenneth
Peters Jr. Joseph F.
Triton Corporation
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