# US 12,005,304 B2 · Pedal-driven exercise machine > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,005,304 B2 - Document ID: US12005304B2 - Status: Granted - Kind: B2 - Application number: 17/705,722 - Filed: 2022-03-28 - Published: 2022-10-20 - Granted: 2024-06-11 - Earliest claimed: 2021-04-14 - Assignees: Toyota Jidosha Kabushiki Kaisha - Applicants: Toyota Jidosha Kabushiki Kaisha - Inventors: Takahiro Takeda; Eisuke Aoki; Yuji Nakamura; Riyusei Takano - Web page: https://patentgrep.com/patent/US12005304B2 ## CPC - A63B 22/0694: {without integral seat, e.g. portable mini ergometers being placed in front of a chair, on a table or on a bed} - A63B 22/20: using rollers, wheels, castors or the like, {e.g. gliding means,} to be moved over the floor or other surface, {e.g. guide tracks,} during exercising - A63B 71/0036: {Accessories for stowing, putting away or transporting exercise apparatus or sports equipment (A63B47/00, A63B55/00, A63B60/56 take precedence)} - A63B 2210/50: Size reducing arrangements for stowing or transport - A63B: APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT (apparatus for passive exercising, massage A61H) ## Abstract A pedal-driven exercise machine is designed for an exerciser in a seated position to do pedaling. The pedal-driven exercise machine is equipped with a main body portion, a crank unit that is rotatably supported by the main body portion, a pedal unit that is rotatably supported by the crank unit, and a foot space securing unit that secures a foot space at a foot of the exerciser by retreating the pedal unit from the foot of the exerciser when the pedal-driven exercise machine is out of use. ## Claims ### Claim 1 A pedal-driven exercise machine designed for an exerciser in a seated position to do pedaling, the pedal-driven exercise machine comprising: a main body portion; a crank unit that is rotatably supported by the main body portion; a pedal unit that is rotatably supported by the crank unit; and a foot space securer configured to secure a space at a foot of the exerciser by retreating the pedal unit from the foot of the exerciser when the pedal-driven exercise machine is out of use, wherein: the pedal unit has a toe-side region and a heel-side region that are different in positions from each other in a foot length direction, the toe-side region is located closer to a toe side than the heel-side region in the foot length direction, the toe-side region of the pedal unit is coupled to the crank unit, and the foot space securer includes a guide that prescribes a trajectory of the heel-side region when the pedal-driven exercise machine is in use, a guide supporter that supports the guide in such a manner as to allow a position of the guide to be changed over between a first guide position that is a position in which the guide is tilted toward an exerciser side for use of the pedal-driven exercise machine, and a second guide position that is a position in which the guide has been pulled up when the pedal-driven exercise machine is out of use, and an out-of-use guide holder that holds the guide in the second guide position. ### Claim 2 (depends on 1) The pedal-driven exercise machine according to claim 1, wherein the guide supporter supports the guide rotatably around a guide rotary shaft fixed in position with respect to the main body portion. ### Claim 3 (depends on 2) The pedal-driven exercise machine according to claim 2, wherein the out-of-use guide holder holds the guide in the second guide position by imparting frictional resistance to rotation of the guide. ### Claim 4 (depends on 3) The pedal-driven exercise machine according to claim 3, wherein the foot space securer includes a torque-resistance hinge with two blades one of which is fixed to the guide and another of which is fixed in position with respect to the main body portion, and the guide supporter and the out-of-use guide holder are the two blades respectively. ### Claim 5 (depends on 2) The pedal-driven exercise machine according to claim 2, wherein the foot space securer includes a stay that is placed to bridge a gap between the guide and a member fixed in position with respect to the main body portion, at a position away from the guide rotary shaft, and the stay is the out-of-use guide holder. ### Claim 6 (depends on 1) The pedal-driven exercise machine according to claim 1, wherein the guide supporter is an elastic plate that includes an upper plate that functions as the guide, and a lower plate fixed in position with respect to the main body portion, and the upper plate and the lower plate are coupled to each other via a fold. ### Claim 7 (depends on 6) The pedal-driven exercise machine according to claim 6, wherein the elastic plate holds the guide in the second guide position by an elastic restoring force of the elastic plate along the fold, and the elastic restoring force is the out-of-use guide holder. ### Claim 8 (depends on 6) The pedal-driven exercise machine according to claim 6, wherein the foot space securer further includes an in-use guide holder that holds the guide in the first guide position. ### Claim 9 (depends on 1) The pedal-driven exercise machine according to claim 1, wherein the foot space securer includes a changeover switch that changes over the position of the guide between the first guide position and the second guide position. ### Claim 10 (depends on 9) The pedal-driven exercise machine according to claim 9, wherein the changeover switch includes a motor. ### Claim 11 (depends on 1) The pedal-driven exercise machine according to claim 1, wherein the foot space securer further includes an elastic body that pushes up the guide. ### Claim 12 (depends on 1) The pedal-driven exercise machine according to claim 1, wherein the foot space securer further includes a separation prohibition mechanism that prohibits the heel-side region from separating from the guide. ### Claim 13 (depends on 1) The pedal-driven exercise machine according to claim 1, wherein the foot space securer further includes a pull-up restrictor that prohibits the guide from being pulled up any further when the guide is in the second guide position. ### Claim 14 (depends on 1) The pedal-driven exercise machine according to claim 1, wherein the guide is provided with a handle. ### Claim 15 (depends on 1) The pedal-driven exercise machine according to claim 1, wherein the pedal unit comprises a pair of pedal units, the foot space securer comprises a pair of foot space securers, and the pair of foot space securers correspond to the pair of pedal units respectively. ### Claim 16 (depends on 15) The pedal-driven exercise machine according to claim 15, wherein the guide of each of the foot space securers is provided with a handle. ### Claim 17 (depends on 15) The pedal-driven exercise machine according to claim 15, wherein the guides of the foot space securers are formed integrally with each other.