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US 4,306,513 AGranted
Weather-vane steering-device and coupling device for use in such weather-vane steering device
OwnerMarie G. J. Legrandinventor
Life of this patent
Estimating the term…
Abstract
A weather-vane steering-device comprises a gearbox secured to a boat, a turntable rotatable in the gearbox, a weather-vane rotatable in the turntable, a steering element rotatable in the gearbox, a first differential gear between the weather-vane and the steering element, and a second differential gear between the turntable and the gearbox, a freely rotating member of the first differential gear being connected to a freely rotating member of the second differential gear.
Claims10
A weather-vane steering-device comprising:
- a gearbox to be fixedly secured to a boat,
- a turntable rotatable in the gearbox about a substantially vertical axis,
- a weather vane mounted for rotation relative to said turntable,
- a steering element mounted for rotation relative to the gearbox,
- a connection between the turntable and the gearbox with the possibility of adjustment, and
- a connection between the weather vane and the steering element wherein
- the connection between the weather vane and the steering element consists in a first differential gear,
- the connection between the turntable and the gearbox consists in a second differential gear, and
- a freely rotating member of the first differential gear is connected to a freely rotating member of the second differential gear.
6 more elements
A weather-vane steering-device comprising:
- a gearbox to be fixedly secured to a boat, a turntable comprising a top portion and a lower portion, said lower portion being rotatable in the gearbox about a substantially vertical axis and said top portion pivoting about a substantially horizontal shaft relative to said lower portion, a means for fixedly securing said top portion relative to said lower portion, a weather-vane comprising a spindle journalled in said top portion of said turntable, a first shaft journalled vertically in said lower portion of said turntable, a second shaft connecting by means of two universal joints said spindle to said first shaft, a steering element mounted for rotation relative to said gearbox, a connection between said lower portion of said turntable and said gearbox with the possibility of adjustment and a connection between said first shaft and said steering element.
Dependencies are inferred from the claim text.