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US 4,366,629 AGranted
Safety boot
OwnerHans R. Scherzinventor
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OwnerHans R. Scherzinventor
Estimating the term…
A safety waterproof boot of molded plastics material is provided having an integral sole and upper, the upper including a toe portion and a metatarsal portion, a metallic plate provided in the sole portion and extending the width and length thereof and allowing for longitudinal flexing of the sole, a box-shaped rigid toe guard provided in the toe portion, a rigid arched metatarsal guard member extending laterally and having side portions connected to the sole plate, the trailing edge of the toe guard being spaced inwardly relative to the leading edge of the metatarsal guard and the molded plastics material extending between the metatarsal guard and the toe guard having a flexible hinge portion in the form of a reverse fold such that the trailing edge of the toe guard will pivot inwardly of the leading edge of the metatarsal guard when the toe portion of the boot is being pivoted relative to the boot.
A waterproof safety boot of molded plastics material having an integral sole and upper, the upper including a toe portion and a metatarsal portion, a metallic plate provided in the sole portion and extending the width and length thereof and allowing for longitudinal flexing of the sole, a box-shaped rigid toe guard provided in the toe portion, a rigid arched metatarsal guard member extending laterally and having side portions connected to the sole plate, the trailing edge of the toe guard being spaced inwardly relative to the leading edge of the metatarsal guard and the molded plastics material extending between the metatarsal guard and the toe guard having a flexible hinge portion in the form of a reverse fold such that the trailing edge of the toe guard will pivot inwardly with the leading edge of the metatarsal guard when the toe portion of the boot is being pivoted relative to the boot.
A safety boot of molded plastic materials having an integral sole and upper, a protective plate provided in the sole portion and extending the width and length thereof and allowing for longitudinal flexing of the sole, a rigid arched metatarsal guard member extending laterally and having side portions, the side portions including depending flanges extending inwardly thereof and attached to the sole plate such as to form an integral protective cage for the inner step of a person's foot and having the cage completely rigid in a lateral plane thereby reducing the possibility of collapsing under severe shock.
Dependencies are inferred from the claim text.