Skate

Details Skate Skate

1999-06-18

2001-05-29

Johnson, Brian L. (Department: 3618)

Land vehicles

Skates

With propulsion means driven by occupant

C280S011224, C280S011233

Reexamination Certificate

active

06237923

ABSTRACT:

BRIEF DESCRIPTION OF THE INVENTION
The present invention relates to a skate with a propulsion means.
FIELD OF THE INVENTION
Known roller skates (or in-line skates) rely on a conventional propulsion action to propel the skates and a user in a given direction, this action involving a conventional shifting of weight between legs of the user.
The present invention seeks to provide a skate which at least assists in the propulsion of the user and the skate.
SUMMARY OF THE PRESENT INVENTION
In accordance with a first aspect of the present invention there is provided a skate including a boot portion having a base portion and a boot, a first member pivotably connected at an upper longitudinal end thereof to the base portion, a second member pivotably connected at an upper longitudinal end thereof to the base portion and pivotably connected to the first member, a first wheel mounted on the first member at a lower longitudinal end thereof, a drive wheel mounted on the second member at a lower longitudinal end thereof, the drive wheel having a concentrically mounted pinion, and an elongate driving mechanism pivotably connected to the boot portion and adapted to operatively engage with the pinion, the skate being movable between an expanded configuration wherein the base portion is spaced from the first wheel and the drive wheel and a contracted configuration wherein the base portion is adjacent the first wheel and the drive wheel, the arrangement being such that when the skate moves from the expanded configuration to the contracted configuration, the angle between the base portion and a plane passing through the axes of rotation of the first wheel and the drive wheel remains substantially constant and the driving mechanism effects rotation of the pinion and thereby transfers a propulsion force to the drive wheel.


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