Foot measuring machines

Details Foot measuring machines Foot measuring machines

1974-01-23

1976-01-13

Martin, Jr., William D.

Geometrical instruments

Apparel

Footwear

A43D 100

Patent

active

039316807

ABSTRACT:
The specification describes an automatic machine for measuring the length, width and girth of a foot for the purpose of determining the most appropriate shoe size. The machine measures the width of the foot at a distance approximately three quarters of the length of the foot from the heel end and measures the girth of the foot at the same position. Placing the heel against a heel stop on a platform initiates motor driven movement of a toe stop towards the toes. When the toe stop comes into abutment with the toes, a microswitch is actuated which starts a motor driving one of two width probes for bringing the two width probes into engagement with opposite sides of the foot, the width probes being coupled together for lateral floating movement. The width probes are mounted on a carriage which is driven lengthwise of the foot in conjunction with the toe stop end at three-quarters of the speed of the toe stop. Contact of the width probes with opposite sides of the foot actuates motors which cause two girth probes mounted on the said carriage to move towards each other laying tape across the instep of the foot. When the girth probes touch each other, their relative movement towards each other is terminated. Motors which respectively drive the toe stop, width probes and girth probes are connected to respective pointers which provide measures of the length, width and girth of the foot.

REFERENCES:
patent: 973475 (1910-10-01), Church
patent: 1167269 (1916-01-01), Church
patent: 2657463 (1953-11-01), Spencer
patent: 3032880 (1962-05-01), Shaw
patent: 3173208 (1965-03-01), Dana
patent: 3328882 (1967-07-01), Blivice
patent: 3494036 (1970-02-01), Stiebel et al.

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