Self-propelled device

Details Self-propelled device Self-propelled device

1989-10-18

1991-09-17

Marmor, Charles A.

Motor vehicles

Ski- or skate-type vehicle for imparting movement to a...

With power means or a portion thereof affixed to or built...

180 91, 180 794, 280 11115, 280 1127, 280 87042, B60K 1704

Patent

active

050486322

ABSTRACT:
A self-propelled roller skate device comprising two units disposed in parallel, each unit being supported on front and rear pairs of wheels, each of the units includes at least one propulsion system, a steering system mounted on a support and holding structure, a power generation and storage system mounted independently of each of the units, and a remote control operatively coupled with and acting on each of the units and the power generation and storage system. The steering system includes a deformable parallelogram arrangement which converts pivoting movement of a sole-piece about a longitudinal axis into movement for turning the front wheels of the unit.

REFERENCES:
patent: 1672700 (1928-06-01), Vass
patent: 1694671 (1928-12-01), Rodelli
patent: 2625229 (1953-01-01), Van Voorhees
patent: 2857008 (1958-10-01), Pirrello
patent: 3876032 (1975-04-01), Ferino
patent: 4069881 (1978-01-01), Shiber
patent: 4094372 (1978-06-01), Notter
patent: 4508187 (1985-04-01), Wenzel
patent: 4546841 (1985-10-01), Sipiano
patent: 4691931 (1987-09-01), Vincent

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