John G Tkaczyk

US Patent:

52860434, Feb 15, 1994

Filed:

Aug 31, 1992

Appl. No.:

7/938438

Inventors:

John Tkaczyk - Chicago IL

International Classification:

A63C 1706

US Classification:

280 1122

Abstract:

The present invention generally relates to a roller skate, and preferably an in-line roller skate having a foot platform suspended between front and rear wheels for increased stability. One feature the present invention is a retractable wheel positioned between the front and rear wheels. Another feature of the invention is a contoured toe piece removably attached to the foot platform and a heel piece pivotably attached to the foot platform. A still further feature of the invention is that the heel piece is slidable to allow the skate to accommodate shoes of various sizes. A still further feature of the present invention is its effective and easy to use streamline brake system.

US Patent:

53989503, Mar 21, 1995

Filed:

Nov 4, 1993

Appl. No.:

8/147956

Inventors:

John Tkaczyk - Chicago IL

International Classification:

A63C 126

US Classification:

280 1123

Abstract:

The present invention generally relates to a roller skate, and preferably an in-line roller skate having a foot platform suspended between front and rear wheels for increased stability. One feature the present invention is a retractable wheel positioned between the front and rear wheels. Another feature of the invention is a contoured toe piece removably attached to the foot platform and a heel piece pivotably attached to the foot platform. A still further feature of the invention is that the heel piece is slidable to allow the skate to accommodate shoes of various sizes. A still further feature of the present invention is its effective and easy to use streamline brake system.