Title:
SELF-PROPELLED SKATES
Document Type and Number:
WIPO Patent Application WO2007042773
Kind Code:
B1
Abstract:
A self-propelled roller skate (10) is responsive to longitudinal movement of a wearer's leg, using a pair of splayed swing arms (16,17), pivotally mounted at their inboard ends upon a sole plate (11), and carrying outboard ground-engagement wheels (13,15), with a drive through a one¬ way drive transfer coupling (26) operative upon a driving wheel by reciprocating arm pivot; provision is made for uniform drive action throughout an arm driving stroke by use of a variable transfer gearing, such as a variable geometry spiral element (60) in a drive band (22) between arms and wheels.
Inventors:
RAWLINGS BRYAN JOHN (GB)
BEES DAVID ANDREW (GB)
BEES DAVID ANDREW (GB)
Application Number:
PCT/GB2006/003727
Publication Date:
August 23, 2007
Filing Date:
October 06, 2006
Export Citation:
Assignee:
RAWLINGS BRYAN JOHN (GB)
International Classes:
A63C17/12
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