Rotating playground equipment assembly

Details Rotating playground equipment assembly Rotating playground equipment assembly

1985-07-11

1988-03-01

Stouffer, Richard T.

Undertaking

188292, A63G 112

Patent

active

047280980

ABSTRACT:
A rotating user-propelled playground equipment assembly or whirl including an equipment support base, a spindle secured to the support base, a rotatable platform assembly supported at least in part by the support base. The rotatable platform assembly includes a hub assembly rotatable about the spindle. A hydraulic brake is used to automatically retard the rotation of the rotatable platform assembly about the spindle. The hydraulic brake includes a drive gear secured to and rotatable with the hub assembly, a pump mechanism driven by the drive gear for slowing the rotation of the rotatable platform assembly, and a connecting mechanism for operatively connecting the drive gear and the hydraulic pump mechanism.

REFERENCES:
patent: 555338 (1896-02-01), Rodehafer
patent: 575624 (1897-01-01), Weston
patent: 896407 (1908-08-01), Mayette
patent: 1213931 (1917-01-01), Milonczyk
patent: 1521946 (1925-01-01), Hargreaves
patent: 2763974 (1956-09-01), Martin
patent: 3073595 (1963-01-01), Jones
patent: 3495824 (1970-02-01), Cuinier
patent: 3572700 (1971-03-01), Mastropaolo
patent: 3592466 (1971-07-01), Parsons
patent: 3612518 (1971-10-01), Bennett
patent: 4091907 (1978-05-01), Tabler
patent: 4337050 (1982-06-01), Engalitcheff, Jr.
patent: 4555108 (1985-11-01), Monteiro

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