Schering-plough Healthcare Products Inc.

David O Foshee

Harold A Howlett

Laura J Crane

Bin Xia

Phillip C Yang

An insole includes a forefoot portion having a lower first recess; a cupped heel portion having a lower second recess; a mid-foot portion connecting together the forefoot portion and the heel portion, the mid-foot portion including a medial arch portion, and the forefoot, heel and mid-foot portions formed from a unitary resilient material; a plurality of protuberances in the second recess and having lower edges generally coplanar with a lower surface of the heel portion in surrounding relation to the second recess; a plurality of spaced apart spring walls formed from a viscoelastic gel in the first recess, the spring walls having lower edges generally coplanar with a lower surface of the forefoot portion which is in surrounding relation to the first recess; and a shell extending under the mid-foot portion and made of a resilient material that is stiffer than the unitary resilient material.

Insole for fitness and recreational walking

A removable insole for insertion into footwear, includes a forefoot portion extending at least to metatarsals of a foot, with a second recess at an undersurface thereof with a plurality of cylindrical protuberances in the recess; a cupped heel portion including a relatively flat central portion and a sloped side wall surrounding the relatively flat central portion; a mid-foot portion connecting together the forefoot portion and the heel portion, the mid-foot portion including a medial arch portion defined by an extension of the sloped side wall, the sloped side wall extends to lateral and medial sides of the mid-foot portion, and the forefoot portion, heel portion and mid-foot portion formed from a unitary resilient material; a shell that extends along an underside of the insole, the medial arch portion and the sloped side wall at the heel portion and the mid-foot portion, the shell having an opening beneath the relatively flat central portion of the cupped heel portion and a gap at a rearmost end of the shell so as to define flanges on opposite sides of the insole at the heel portion, the unitary resilient material extending out through the opening in the shell, and includes a recess at an undersurface thereat with a plurality of cylindrical protuberances in the recess, and the shell being made of a flexible material that is stiffer than the unitary resilient material; and a top cover secured to upper surfaces of the forefoot portion, mid-foot portion and heel portion.

Growing community of inventors

Bartlett, TN, United States of America

David O Foshee