Marking buoy with shock cord

Details Marking buoy with shock cord Marking buoy with shock cord

1992-03-20

1993-10-26

Swinehart, Edwin L.

Buoys, rafts, and aquatic devices

Buoy

Having means to control attitude or position

441 6, 441 21, B63H 2152

Patent

active

052560937

ABSTRACT:
A lightweight plastic buoy with an elastic shock cord (31) attached to the nylon line (30) and lead weight (32). Included in the buoy is a plastic spool (21) attached to a metal shaft and crank (20) in a housing (11). A plastic pin (23) is attached to a foam float (24). They are found in a housing (12) near the bottom of the buoy and are moved via the admittance of water into the float chamber (25) through an orifice in the bottom cap (13). The pin (23) forces a lock (22) into notches in the spool (21) which inhibits its motion. A rubber-strap governor (27) is in contact with the top of the spool (21) controlling its velocity to eliminate the tangling of excessive line released from the spool (21).

REFERENCES:
patent: 2722018 (1955-11-01), Mueller
patent: 2830309 (1958-04-01), Lawson
patent: 3093808 (1963-06-01), Tatnall et al.
patent: 3162870 (1964-12-01), Laird
patent: 4781636 (1988-11-01), Schurr

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