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US 4,286,396 AGranted
Traction device for walking on ice
OwnerRobert H. Deaconinventor
Life of this patent
Estimating the term…
Abstract
A traction device for removable attachment to a user's shoes to assist in walking on ice has a steel plate with depending ice-piercing teeth and an elastic attachment band. The teeth lie in transverse planes and are struck and bent from a flat plate.
Claims3
A traction device for attachment to shoes to assist in walking on ice, said device comprising:
- a metal plate;
- and means for removably attaching said plate to shoes;
- said metal plate being formed as an integral, generally rectangular member and having a generally flat sole-engaging surface, said rectangular plate further having:
- four triangular portions each bent at one triangle side from a different corner of said plate and with the opposite vertex projecting away from said sole-engaging surface, to form four traction teeth;
- two additional triangular traction teeth, one on each of opposite edges of said rectangular plate, each bent at one triangle side from the associated edge of said plate and with the opposite vertex projecting away from said sole-engaging surface;
- said additional teeth being between and spaced from said corner teeth of the associated edge and having respective planes extending transversely to the planes of said corner teeth, said corner and additional teeth being fabricatable together in a single die and stamping operation;
- at least one other triangular tooth struck from an intermediate portion of said plate remote from the edges thereof and having a plane extending orthogonally to the planes of said additional teeth and transversely to the planes of said corner teeth and aligned with spaces between said additional and corner teeth.
4 more elements
Dependencies are inferred from the claim text.