Land vehicles – Convertible – Wheel to or from runner
Patent
1992-01-21
1993-11-02
Mitchell, David M.
Land vehicles
Convertible
Wheel to or from runner
280 1112, 280 1116, 280 1122, A63C 130
Patent
active
052577937
ABSTRACT:
A skate in which the runner, such as an ice skate blade mounted in a support member, is hingedly connected at the front end thereof to a support member mounted at the sole plate in the toe area of the boot. A retractable and expandable telescopic member is provided at the rear of the skate including a stub shaft fixedly mounted to a heel plate to which a threaded cylinder is rotatably mounted and engages a threaded pedestal extending upwardly from the support member, and rotation of the threaded cylinder will cause retraction or contraction of the support and the blade securely mounted in the support about the rotation about the pivot pin extending through the front of the boot.
REFERENCES:
patent: 36244 (1862-08-01), Starr
patent: 601013 (1898-03-01), Evans
patent: 1097875 (1914-05-01), Pierce
patent: 2188971 (1940-02-01), Adonzio
patent: 4085944 (1978-04-01), Chambers
patent: 4108450 (1978-08-01), Cote
patent: 4139209 (1979-02-01), Humphreys
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