Land vehicles – Skates – Shoe attaching means
Patent
1977-08-12
1978-11-14
Mitchell, David M.
Land vehicles
Skates
Shoe attaching means
36117, 280611, A63C 9086
Patent
active
041252748
ABSTRACT:
In a type of safety ski binding having if desired a plate fixed to the boot and releasably fixed to a ski, there is provided structure for lightening the boot construction, particularly the sole thereof, including the provision of structure for gripping the heel of the boot for holding same against such plate. Such structures extend around the heel a distance at least equal to one-third of the radius of the boot sole measured from and extending rearwardly from points on the sides of the ski boot where a plane perpendicular to the longitudinally central plane of the ski boot and containing the center point of the radius intersects the side walls of the ski boot. Reinforcement of the heel of the ski boot may be provided by utilizing a trough-shaped insert around the bottom of the boot which may, if desired, be interrupted at the ball of the foot for facilitating walking. Thin tension straps extend under the sole of the boot for reinforcing same and preventing slippage.
REFERENCES:
patent: 3239952 (1966-03-01), Lange et al.
patent: 3363342 (1968-01-01), Stohr
patent: 3492014 (1970-01-01), Von Besser
patent: 3675938 (1972-07-01), Sigl
patent: 3806144 (1974-04-01), Yans et al.
patent: 3854743 (1974-12-01), Hansen
patent: 3876218 (1975-04-01), Von Besser
patent: 3955825 (1976-05-01), Kubelka et al.
Kubelka Axel R.
Svoboda Josef
Gertsch AG
Mitchell David M.
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