Nova Patents
US2736110A

Untitled record

Abstract

This record has no abstract on file.

US2736110A, drawing sheet 1
Sheet 1 of 6

Term

Term ended

Expired 28 February 1973, 53.6 years ago.

  1. Granted
  2. Expired
  3. Today

3 claims: 3 independent, 0 dependent

  1. 1
    What is claimed is:1. In a shoe having a heel, arms carried by the 1. In a shoe having a heel, arms carried by the heel to move in vertical arcuate paths above opposite sides of the heel about a common axis adjacent the front of the shoe heel, lugs carried by the arms and extending laterally therefrom for movement therewith in vertical arcuate paths, a treadle carried by the heel to move above the heel about an axis which lies parallel to the common axis, springs carried by the shoe heel for moving the arms upwardly in their arcuate paths, and toothed quadrants carried by the treadle for movement thereby in paths which intersect the paths of movement of the lugs to engage the lugs and hold the arms against movement under the influence of the springs.
  2. 2
    In a shoe having, a heel, arms carried by the heel to move in vertical arcuate paths above opposite sides of the heel about a common axis adjacent the front of the shoe heel, lugs carried by the arms and extending laterally therefrom for movement therewith in vertical arcuate paths, a treadle carried by the heel to move above the heel about an axis which lies parallel to the common axis, springs carried by the shoe heel for moving the arms upwardly in their arcuate paths, and toothed quadrants carried by the treadle for movement thereby in paths which intersect the paths of movement of the lugs to engage the lugs and hold the arms against movement under the influence of the springs, a flexible back carried 40 cuate paths, a treadle carried by the heel to move above by the heel and connected to the arms for embracing the ..... ’ ' ’ heel of the wearer when his heel rests on the treadle.
  3. 3
    In a shoe having a heel, arms carried by the heel to move in vertical arcuate paths above opposite sides the heel about an axis which lies parallel to the common axis, springs carried by the shoe heel for moving the arms upwardly in their arcuate paths, toothed quadrants carried by the treadle for movement thereby in paths of the heel about a common axis adjacent the front of which intersect the paths of movement of the lugs to enthe shoe heel, lugs carried by the arms and extending laterally therefrom for movement therewith in vertical arcuate, paths, a treadle carried by the heel to move above the heel about an axis which lies parallel to the common ~ axis, , arms upwardly in their arcuate paths, toothed quadrants carried by the treadle for movement thereby in paths which intersect the paths of movement of the lugs to engage the lugs and hold the arms against movement under the influence of the springs, a flexible back carried by the heel and connected to the arms for embracing the gage the lugs and hold the arms against movement under the influence of the springs, an arched yoke carried by the arms and adapted to embrace the back of the heel of the wearer when the shoe is on the foot, and a flexible con.is, springs carried by the shoe heel for moving the 50 heel cover carried by the arms and the yoke and • ' ’ ' ected to the shoe heel. References Cited in the file of this patent UNITED STATES PATENTS 1,464,342 Rothacher______________Aug. 7, 1,686,175 Read___________________Oct. 2, 1923 1928