Apparatus for adjusting the leverage of an oar or scull while ro

Marine propulsion – Oar or paddle – Support

Patent

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Details

416 74, 440106, B63H 1606

Patent

active

053242181

ABSTRACT:
An oar or scull is equipped with a movable sliding bushing or collar (2, 3) for adjusting the leverage while rowing. For this purpose a locking device (12) normally prevents the linear or axial movement of the oar shaft with a sliding sleeve (8) which is mounted on the oar shaft (1) relative to the locking device. By pushing a button (11) on the handle (10), the locking device (12) will allow a relative movement of approximately 2.5 mm at a time between the collar (3A, 3B) and the shaft (1). Releasing the button (11) allows again a movement of 2.5 mm, whereby a rower is able to adjust the leverage and thus the load while rowing.

REFERENCES:
patent: 826058 (1906-07-01), Pendleton
patent: 3108565 (1963-10-01), Cain

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