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US 5,853,179 AGranted
Roller skate attachment
OwnerMalcolm Chapmaninventor
Life of this patent
Estimating the term…
Abstract
An in-line skate attachment has a row of in-line wheels (11) supported in a flexible carriage (12), itself supported on a rigid carrier (7). The carrier can be attached to or form part of a skating boot (13). The flexibility of the carrier allows the wheels to move radially to suit skating conditions, e.g., a speed mode in which the wheel axes are in a plane and a turning mode in which the axes of the end wheels are lifted out of that plane.
Claims5
A roller skate attachment for securing to a boot comprising:
- a single row of aligned wheels for travelling on the ground, including a front wheel and a rear wheel;
- a rigid carrier which is adapted to be secured to a boot;
- a chassis for supporting the row of wheels, said chassis being formed of a resilient material in order to be resiliently deformable in a plane of rotation of the wheels;
- and
- a securing means for securing the carrier to the chassis at front and rear fixing points located between an axis of a front wheel and an axis of a rear wheel such that a distance between the axis of the front wheel and the axis of the rear wheel is at least 1.5 times a distance between the front fixing point and the rear fixing point, and such that at least one of a front portion of the chassis ahead of the front fixing point and a rear portion of the chassis behind the rear fixing point is flexible due to the resilient material of the chassis from a level position to a rocking position in response to forces between a user's foot and the ground.
2 more elements
Dependencies are inferred from the claim text.