Kneeboard with retractable fins

Details Kneeboard with retractable fins Kneeboard with retractable fins

1989-04-19

1989-11-28

Basinger, Sherman D.

Buoys, rafts, and aquatic devices

Water skimming or walking device

441 74, 441 79, 114132, B63B 4100

Patent

active

048834360

ABSTRACT:
A kneeboard is provided with a pair of retractable fins which are operated by a control knob mounted on the board in front of the user's knees. The control knob is connected to the fins by a pair of cables. The fins can be raised or lowered simultaneously by sliding the control knob forwardly or rearwardly.

REFERENCES:
patent: 3066327 (1962-12-01), Durfey
patent: 3082444 (1963-03-01), Estes
patent: 3087173 (1963-04-01), Meyer
patent: 3213822 (1965-10-01), Sawchuk
patent: 3516100 (1970-06-01), Ellis
patent: 3579682 (1971-05-01), Wood
patent: 4302858 (1981-12-01), Casciano
patent: 4439166 (1984-03-01), Maxwell
patent: 4619619 (1986-10-01), Muse
patent: 4708675 (1987-11-01), Shoeffler et al.
patent: 4805546 (1989-02-01), Geller et al.
Catalog page for Magna Hydro Slide kneeboard.

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