# US 10,869,803 B1 · Chiropractic adjustment device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,869,803 B1 - Document ID: US10869803B1 - Status: Granted - Kind: B1 - Application number: 16/589,552 - Filed: 2019-10-01 - Granted: 2020-12-22 - Earliest claimed: 2019-02-11 - Applicants: Robert A. Cohn - Inventors: Robert A. Cohn - Web page: https://patentgrep.com/patent/US10869803B1 ## CPC - A61H 1/008: {Apparatus for applying pressure or blows almost perpendicular to the body or limb axis, e.g. chiropractic devices for repositioning vertebrae, correcting deformation} - A61H 1/0292: {for the spinal column (A61H1/0218 takes precedence)} - A61H 2201/0157: portable - A61H 2201/0161: Size reducing arrangements when not in use, for stowing or transport - A61H 2201/0192: Specific means for adjusting dimensions - A61H 2203/0468: Prone - A61H 2205/085: Crotch - A61H: PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY (electrotherapy, magnetotherapy, radiation therapy or ultrasound therapy A61N) ## Abstract A chiropractic adjustment device is disclosed herein. The chiropractic adjustment device includes a support board; a plurality of adjustment blocks slidably coupled to the support board, each of the adjustment blocks having a wedge-shaped body portion; and block positioning means, the block positioning means configured to establish predetermined displacement paths for each of the adjustment blocks so as to assist a user in the proper positioning of the adjustment blocks for a self-administered pelvic adjustment of the user. In one or more embodiments, the block positioning means may comprise a plurality of tracks disposed in the support board. A first one of the tracks is configured to establish a first predetermined displacement path for a first one of the adjustment blocks, and a second one of the tracks is configured to establish a second predetermined displacement path for a second one of the adjustment blocks. ## Claims ### Claim 1 A chiropractic adjustment device, comprising: a support board; a plurality of adjustment blocks slidably coupled to the support board, each of the adjustment blocks having a wedge-shaped body portion; and block positioning means, the block positioning means configured to establish predetermined displacement paths for each of the adjustment blocks so as to assist a user in the proper positioning of the adjustment blocks for a self-administered pelvic adjustment of the user, the predetermined displacement paths including a first predetermined displacement path and a second predetermined displacement path, and the block positioning means including a plurality of tracks disposed in the support board, a first one of the tracks configured to establish the first predetermined displacement path for a first one of the adjustment blocks, and a second one of the tracks configured to establish the second predetermined displacement path for a second one of the adjustment blocks, each of the plurality of tracks including a straight track portion and a diagonal track portion. ### Claim 2 (depends on 1) The chiropractic adjustment device according to claim 1, further comprising a plurality of connector members, each of the connector members configured to couple a respective one of the adjustment blocks to the support board. ### Claim 3 (depends on 1) The chiropractic adjustment device according to claim 1, wherein at least one of the plurality of adjustment blocks comprises a handle portion for facilitating a grasping of the adjustment block by the user during the positioning of the adjustment block. ### Claim 4 (depends on 1) The chiropractic adjustment device according to claim 1, wherein at least one of the plurality of adjustment blocks comprises a hand recess formed therein for facilitating a grasping of the adjustment block by the user during the positioning of the adjustment block. ### Claim 5 (depends on 1) The chiropractic adjustment device according to claim 1, wherein each of the plurality of tracks further comprise a curved track portion. ### Claim 6 (depends on 1) The chiropractic adjustment device according to claim 1, wherein the plurality of tracks are configured so as to enable one of the adjustment blocks to be diagonally oriented relative to the other of the adjustment blocks. ### Claim 7 (depends on 1) The chiropractic adjustment device according to claim 1, wherein the support board comprises a first board section coupled to a second board section by a hinge member so as to enable the support board to be folded for compact storage and/or transportation of the chiropractic adjustment device. ### Claim 8 A chiropractic adjustment device, comprising: a support board; a plurality of adjustment blocks slidably coupled to the support board, each of the adjustment blocks having a wedge-shaped body portion; and a plurality of tracks disposed in the support board, each of the tracks configured to establish a predetermined displacement path for a respective one of the adjustment blocks so as to assist a user in the proper positioning of the adjustment blocks for a self-administered pelvic adjustment of the user, each of the plurality of tracks including a straight track portion and a diagonal track portion, the straight track portion being spaced apart from the diagonal track portion. ### Claim 9 (depends on 8) The chiropractic adjustment device according to claim 8, further comprising a plurality of connector members, each of the connector members configured to couple a respective one of the adjustment blocks to the support board. ### Claim 10 (depends on 8) The chiropractic adjustment device according to claim 8, wherein at least one of the plurality of adjustment blocks comprises a handle portion for facilitating a grasping of the adjustment block by the user during the positioning of the adjustment block. ### Claim 11 (depends on 8) The chiropractic adjustment device according to claim 8, wherein at least one of the plurality of adjustment blocks comprises a hand recess formed therein for facilitating a grasping of the adjustment block by the user during the positioning of the adjustment block. ### Claim 12 (depends on 8) The chiropractic adjustment device according to claim 8, wherein each of the plurality of tracks further comprise a curved track portion. ### Claim 13 (depends on 8) The chiropractic adjustment device according to claim 8, wherein the plurality of tracks are configured so as to enable a first one of the adjustment blocks to be diagonally oriented relative to a second one of the adjustment blocks. ### Claim 14 (depends on 13) The chiropractic adjustment device according to claim 13, wherein the first one of the adjustment blocks is configured to be diagonally oriented relative to the second one of the adjustment blocks at an approximately 45 degree angle. ### Claim 15 (depends on 8) The chiropractic adjustment device according to claim 8, wherein the support board comprises a first board section coupled to a second board section by a hinge member so as to enable the support board to be folded for compact storage and/or transportation of the chiropractic adjustment device.