Variable ratio steering helm

Details Variable ratio steering helm Variable ratio steering helm

B - Operations, Transporting

63

H

142/32

B63H 25/10 (2006.01) F02B 61/04 (2006.01)

Patent

CA 2039067

A boat steering assembly (10) having a substantially circular rotary gear (12) engaging an output gear such that the leverage is varied between the output gear (16, 16') and the steering wheel (32). The steering wheel (32) has a shaft gear (28) engaging in idler gear (22) which eccentrically rotates the circular gear (12) about the first axis (14). The eccentrically rotating circular gear (12) engages the output gear (16, 16') having a partially sinusoidal profile thereby automatically varying the distance (i.e., leverage) between the first axis (14) and a point of contact (52) between the circular (12) and output (16, 16') gears.

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