Incrementally rotatable teeter-totter

Details Incrementally rotatable teeter-totter Incrementally rotatable teeter-totter

1989-06-28

1990-01-30

Chilcot, Jr., Richard E.

Undertaking

272 33R, 272 54, 272 55, A63G 132

Patent

active

048968773

ABSTRACT:
A teeter-totter is disclosed that simultaneously incrementally rotates as it pivots up-and-down. The teeter-totter comprises a base having a fulcrum about which a beam is pivotally mounted for up-and-down movement. The beam is coupled to the fulcrum by a mechanism that simultaneously incrementally rotates the beam upon movement of the beam in at least one of the up-and-down directions.

REFERENCES:
patent: 1014249 (1912-01-01), Ney
patent: 1254174 (1918-01-01), Thebert
patent: 2109897 (1938-03-01), Braunschweig
patent: 2558431 (1951-06-01), Grover
patent: 2809036 (1957-10-01), Meixsell

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