A flipper propulsion mechanism for propelling a watercraft, comprising a pair of flippers 6L,R, a pair of handlebars 2L,R, a pair of handle grips 1L,R, a pair of flipper rods 5L,R, a pair of pivot joints 3L,R, and an attachment means 4 for attaching the mechanism to the watercraft. The mechanism may be fitted on either side of a watercraft. The pivot joint connecting the handlebars to the flipper rods may be horizontally offset, or horizontally aligned. Various features may be fixed or adjustable including: Horizontal distance between handlebars, handlebar length, vertical angle between handlebars and flipper rods. Forwards and backwards movement of the handlebars my be converted into up and down motion of the flippers. The attachment means may comprise attachment clamps, or some other means. The mechanism may be dismantlable and removeable from the craft.
Flipper propulsion attachment
2022-02-02
Patent
Elektronische Ressource
Englisch
IPC: | B63H Schiffsantrieb oder Steuerung der Schiffe , MARINE PROPULSION OR STEERING |