# US 2019/0166949 A1 · Sole of a Shoe > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2019/0166949 A1 - Document ID: US20190166949A1 - Status: Published application - Kind: A1 - Application number: 16/257,263 - Filed: 2019-01-25 - Published: 2019-06-06 - Earliest claimed: 2015-07-30 - Assignees: Columbia Insurance Company - Applicants: Columbia Insurance Company - Inventors: Kenneth Daniel Santos; Bud Clapsaddle - Web page: https://patentgrep.com/patent/US20190166949A1 ## CPC - A43B 13/36: Easily-exchangeable soles (protecting-soles A43C13/12) - A43B 3/246: {characterised by the sole} - A43B 5/008: {Bowling Shoes} - A43B: CHARACTERISTIC FEATURES OF FOOTWEAR; PARTS OF FOOTWEAR ## Abstract A bowling shoe sole fastening system of structures that allows a variety of outsoles to be attached to and detached from the midsole that improve the consistency of the flex of the show throughout a bowler's stride, which allow the bowling shoe to be adjusted to achieve consistent stopping and sliding characteristics over a variety of bowling lane conditions and maintain consistent performance in the flex of the shoe across cycles of attachment, detachment, and reattachment. ## Claims ### Claim 1 A sole of a shoe, comprising: a midsole comprising a midsole forepart region and a midsole toe region; a remove-ably attachable outsole comprising an outsole forepart region and an outsole toe region; wherein said midsole further comprises a midsole bottom surface; wherein said midsole forepart region bottom surface includes at least one midsole fastener area; wherein said midsole toe region bottom surface and said at least one midsole fastener area have different physical characteristics; wherein said remove-ably attachable outsole further comprises an outsole contact surface which contacts said midsole bottom surface when said remove-ably attachable outsole is attached to said shoe; wherein said outsole forepart region contact surface includes at least one outsole fastener area that mates with said at least one midsole fastener area; wherein said outsole toe region contact surface and said at least one outsole fastener area have different physical characteristics. ### Claim 2 (depends on 1) The sole of claim 1 wherein said midsole forepart region bottom surface further includes at least a first and second section; wherein said first midsole forepart region bottom surface section comprises said at least one midsole fastener area; wherein said first and second midsole forepart region bottom surface sections have different physical characteristics. ### Claim 3 (depends on 1) The sole of claim 1 wherein said outsole forepart region contact surface section further includes at least a first and second section; wherein said first outsole forepart region contact surface section comprises said at least one outsole fastener area; wherein said first and second outsole forepart region contact surface sections have different physical characteristics. ### Claim 4 (depends on 1) The sole of claim 1 wherein said midsole further comprises a midsole toe edge; wherein said midsole toe edge further comprises a midsole toe recess located above said midsole bottom surface; wherein said midsole toe recess extends along at least a part of said midsole toe edge. ### Claim 5 (depends on 4) The sole of claim 4 wherein said outsole toe region further comprises a first outsole toe projection and wherein said first outsole projection further comprises a second outsole projection which projects from said first outsole toe projection. ### Claim 6 (depends on 5) The sole of claim 5 wherein said second outsole toe projection terminates inside of said midsole toe recess when said remove-ably attachable outsole is attached to said shoe. ### Claim 7 (depends on 6) The sole of claim 6 wherein said termination of said second outsole toe projection inside of said midsole toe recess when said remove-ably attachable outsole is attached to said shoe restricts movement between said remove-ably attachable outsole and said midsole in at least one direction. ### Claim 8 (depends on 6) The sole of claim 6 wherein said second outsole toe projection and said midsole toe recess each further comprise mating chamfered edges which mate when said second outsole toe projection terminates inside said midsole toe recess when said remove-ably attachable outsole is attached to said shoe. ### Claim 9 (depends on 1) The sole of claim 1 wherein at least one of the groups consisting of said at least one midsole fastener area and said at least one outsole fastener area further comprises at least one gap. ### Claim 10 A sole of a shoe, comprising: a midsole further comprising a midsole toe region, a midsole forepart region, and a midsole heel region; a first and second remove-ably attachable outsole; wherein said first and said second remove-ably attachable outsoles are separate; wherein said first remove-ably attachable outsole has a size and shape which generally matches the size and shape of both said midsole toe and said midsole forepart regions; wherein said second remove-ably attachable outsole has a size and shape which generally matches the size and shape of said midsole heel region. ### Claim 11 (depends on 10) The sole of claim 10 wherein said midsole further comprises at least one midsole fastener area and wherein said first remove-ably attachable outsole further comprises at least one outsole fastener area which mates with said at least one midsole fastener area when said at first remove-ably attachable outsole is attached to said shoe. ### Claim 12 (depends on 11) The sole of claim 11: wherein said at least one midsole fastener area further comprises at least one groove; wherein said first remove-ably attachable outsole further comprises at least one bump; and wherein said at least one bump terminates inside of said at least one groove when said first remove-ably attachable outsole is attached to said shoe. ### Claim 13 (depends on 10) The sole of claim 10 further comprising at least one finger channel in said midsole. ### Claim 14 A sole of a shoe, comprising: a midsole comprising a midsole forepart region and a midsole toe region; a first remove-ably attachable outsole comprising an outsole forepart region and an outsole toe region; wherein said midsole further comprises a midsole bottom surface; wherein said midsole forepart region bottom surface includes at least two midsole fastener areas separated by at least one midsole forepart gap; wherein said midsole forepart gap has different physical characteristics from said midsole fastener areas; wherein said first remove-ably attachable outsole further comprises an outsole contact surface which contacts said midsole bottom surface when said first remove-ably attachable outsole is attached to said shoe; wherein said outsole forepart region contact surface includes at least two outsole fastener areas that mate with said midsole fastener areas when said first remove-ably attachable outsole is attached to said shoe; wherein said at least two outsole fastener areas are separated by at least one outsole forepart gap; wherein said outsole forepart gap has different physical characteristics from said outsole fastener areas. ### Claim 15 (depends on 14) The sole of claim 14, wherein said outsole toe region further comprises an outsole toe projection. ### Claim 16 (depends on 15) The sole of claim 15 further comprising: wherein said midsole further comprises a midsole toe edge; wherein said midsole toe edge further comprises a midsole toe recess located above said midsole bottom surface; wherein said outsole toe projection further comprises an outsole toe shelf which terminates inside of said midsole toe recess when said remove-ably attachable outsole is attached to said shoe. ### Claim 17 (depends on 14) The sole of claim 14, wherein said midsole toe region bottom surface has different physical characteristics from said midsole fastener areas. ### Claim 18 (depends on 14) The sole of claim 14, wherein said outsole toe region contact surface has different physical characteristics from said outsole fastener areas. ### Claim 19 (depends on 14) The sole of claim 14, further comprising: wherein said midsole further comprises a midsole heel region; wherein said midsole heel region bottom surface further comprises a midsole heel fastener area; a second remove-ably attachable outsole; wherein said second remove-ably attachable outsole further comprises an out sole heel fastener area which contacts and mates with said midsole heel fastener area when said second remove-ably attachable outsole is attached to said shoe; wherein said first and said second remove-ably attachable outsoles are separate. ### Claim 20 (depends on 19) The sole of claim 19 wherein at least one of the groups consisting of said midsole heel fastener area and said outsole heel fastener area further comprises at least one gap.