Paddle wheel for moving stream in a water activity toy

Details Paddle wheel for moving stream in a water activity toy Paddle wheel for moving stream in a water activity toy

1995-12-13

1997-08-12

Hafer, Robert A.

Amusement devices: toys

Aquatic

446159, 446246, 446429, 472 13, 472128, 416197R, A63H 2300

Patent

active

056559437

ABSTRACT:
A water activity toy with a channel for a stream of water which floats a vessel on the stream. A paddle wheel moves through the water to move the stream. The paddle wheel includes a plurality of blades all on axle stub portions at supports at opposite sides of the channel. Each blade could be above the channel when a vessel floats by. The blade is curved downward around an axis extending from the base edge to the free edge of the blade so that with two oppositely directed blades both oriented to extend along the channel, the middle of the blade would be higher off the water in the channel than the regions of the blades at the axle portions. Each blade also has a cutout at its base edge so that if the blade were oriented upright, the base edge of the blade would be higher off the water in the channel toward the middle of the blade than at the axle portions. A crank used to rotate the paddle wheel is connected with the axle stub portion that is raisable out of the support that holds that axle stub portion, and raising the crank lifts the paddle wheel.

REFERENCES:
patent: 54123 (1866-04-01), Cushman
patent: 537582 (1895-04-01), Poole
patent: 930613 (1909-08-01), Pressey
patent: 1372834 (1921-03-01), Schmelzer
patent: 1533493 (1925-04-01), Baty
patent: 1580046 (1926-04-01), Jones
patent: 1624282 (1927-04-01), Russell
patent: 2604055 (1952-07-01), Snowden
patent: 4429867 (1984-02-01), Barber
patent: 4963116 (1990-10-01), Huber

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