Variable length batten

Details Variable length batten Variable length batten

1991-04-16

1992-09-15

Swinehart, Edwin L.

Ships

Sail or control means therefor

Specific sail structure or arrangement

114 392, B63H 904

Patent

active

051468646

ABSTRACT:
A telescopic, flexible sail batten for a mast supported sail comprises first and second batten elements, each of the elements having first and second ends, the second end of the first element and the first end of the second element being nested for telescopic, free-sliding relative movement between extended and retracted positions. A helical coil spring is mounted longitudinally in the batten and acts on the first and second elements of the batten to bias the elements toward an extended position. A container having an aperture at a first end thereof, for slidably receiving the first end of the second batten element, is inserted in the open end of a longitudinal bore in the second end of the first batten element. The spring is mounted longitudinally in the container. The magnitude of the biasing force of the spring may be controllably adjusted by a screw slidably longitudinally mounted through a second aperture in an opposed end of the container from the first end of the container, the screw threadably cooperating with the first end on the second batten element.

REFERENCES:
patent: 4369724 (1983-01-01), Weiss
patent: 4686921 (1987-08-01), Magnan
patent: 5012755 (1991-05-01), Lockhart et al.

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