# US 10,946,232 B2 · Doorway squat and calves workout system > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,946,232 B2 - Document ID: US10946232B2 - Status: Granted - Kind: B2 - Application number: 16/207,268 - Filed: 2018-12-03 - Published: 2019-06-06 - Granted: 2021-03-16 - Earliest claimed: 2017-12-04 - Applicants: Anton Bion - Inventors: Anton Bion - Web page: https://patentgrep.com/patent/US10946232B2 ## CPC - A63B 21/1636: {for anchoring on the horizontal part of a door frame} - A63B 21/00181: {comprising additional means assisting the user to overcome part of the resisting force, i.e. assisted-active exercising} - A63B 21/023: {Wound springs} - A63B 21/0552: {Elastic ropes or bands} - A63B 21/4005: {to the shoulder} - A63B 21/4039: {contoured to fit to specific body parts, e.g. back, knee or neck support (arrangements for attaching exercising apparatus to the user's body A63B21/4001; handles, pedals, bars or platforms A63B21/4033)} - A63B 23/0405: {involving a bending of the knee and hip joints simultaneously (A63B23/0476 takes precedence)} - A63B 21/025: {Spiral springs with turns lying substantially in plane surfaces} - A63B 2208/0223: Squatting - A63B 2225/09: Adjustable dimensions - A63B: APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT (apparatus for passive exercising, massage A61H) ## Abstract The system of the present invention includes elastic bands that are affixed and inserted within elastic band insertion slots that are disposed on a u-shaped frame and a rectangular-shaped frame. The squatting motion the user performs on the present invention activates the expansion and retraction of the elastic bands, which exerts resisting force upon the user, simulating weights. ## Claims ### Claim 1 A doorway workout system comprising: a pair of first frame members each having two frame insertion openings within a horizontal top member of said first frame members and a horizontal bottom member configured to engage shoulders of a user; the horizontal top and bottom members being connected by at least one vertical member; a pair of second frame members slidably received through the frame insertion openings of the horizontal top member of said first frame members and having a bottom member; a base configured to mount the system to a doorway; wherein the base is coupled to the second frame members; and one or more elastic bands having a pair of end caps; wherein the horizontal top members of said first frame members each further comprising one elastic band insertion slot and the bottom members of said second frame members each further comprising one elastic band insertion slot, for coupling one or more elastic bands to the frame members such that when the user engages the bottom members of the first frame member, the one or more elastic bands expand to exert pressure and resistance. ### Claim 2 (depends on 1) A doorway system according to claim 1, further comprising one or more frame stabilization bars coupled to the pair of first frame members. ### Claim 3 (depends on 2) A doorway system according to claim 2, wherein two frame stabilization bars are disposed in an x-shaped configuration. ### Claim 4 (depends on 2) A doorway system according to claim 2, wherein two frame stabilization bars are parallel to each other. ### Claim 5 (depends on 1) A doorway system according to claim 1, wherein the pair of second frame members each further comprising one or more motion alignment stabilizers. ### Claim 6 (depends on 1) A doorway system according to claim 1, wherein two the pair of first frame members are each comprised of top and bottom horizontal members and two vertical side members. ### Claim 7 (depends on 6) A doorway system according to claim 6, wherein the two vertical side members are tubular in shape. ### Claim 8 (depends on 6) A doorway system according to claim 6, wherein the bottom horizontal members are shoulder harnesses. ### Claim 9 (depends on 6) A doorway system according to claim 6, wherein the elastic band insertion slots and the frame insertion openings are disposed in the horizontal top members of said pair of first frame members. ### Claim 10 (depends on 1) A doorway system according to claim 1, wherein the pair of second frame members are each comprised of two vertical side members and one bottom member. ### Claim 11 (depends on 1) A doorway system according to claim 1, wherein the pair of first frame members are each comprised of a vertical member coupled to top and bottom horizontal members. ### Claim 12 (depends on 11) A doorway system according to claim 11, wherein either the bottom horizontal members or vertical members are further connected to each other by a horizontal tubular bar. ### Claim 13 (depends on 11) A doorway system according to claim 11, wherein the vertical members are tubular in shape. ### Claim 14 (depends on 1) A doorway system according to claim 1, wherein the pair of second frame members and first frame members are coupled to each other by one or more springs. ### Claim 15 (depends on 1) A doorway system according to claim 1, wherein the base configured to mount the system to a doorway is permanently coupled to the second frame members. ### Claim 16 (depends on 1) A doorway system according to claim 1, wherein the base configured to mount the system to a doorway is detachably coupled to the second frame members. ### Claim 17 (depends on 1) A doorway system according to claim 1, wherein the pair of first frame members are further coupled to each other by a horizontal bar. ### Claim 18 (depends on 1) A doorway system according to claim 1, wherein the base configured to mount the system to a doorway further comprising a pair of doorway clam arms.