DK CITY CORPORATION Patent applications |
Patent application number | Title | Published |
20150335941 | Treadmill - A treadmill includes a base, a platform, a universal joint, two elevators and two telescopic elements. The universal joint is used to connect a rear portion of the base to a rear portion of the platform. Each of the elevators includes a post supported on a front portion of the base and a carriage movably supported on the post. Each of the telescopic elements includes an end connected to a front portion of the platform and another end connected to the carriage of a corresponding one of the elevators. | 11-26-2015 |
20150202488 | Elliptical Exercise Machine - An elliptical exercise machine includes a frame, an impedance unit, two linkage units and a stride-adjusting unit. The impedance unit includes a flywheel supported on the frame and two cranks connected to the flywheel. Each linkage unit includes a rocking element and a moving element. The rocking element includes an upper end and a lower end. The moving element includes a rear end and a front end connected to the lower end of the rocking element. The stride-adjusting unit includes a threaded rod and a carrier. The threaded rod is supported on the frame. The carrier is connected to upper end of the rocking element and formed with a screw hole for receiving the threaded rod so that the threaded rod can rotate to move the carrier and the upper end of the rocking element to adjust a stride of the elliptical exercise machine. | 07-23-2015 |
20150057129 | Elliptical Trainer - An elliptical trainer includes a base, a post, a circular movement unit, two elliptical movement units and a stride-adjusting device. The post and the circular movement unit are supported on the base. Each elliptical movement unit includes a swing bar and a pedal carrier. The pedal carrier includes a front end pivotally connected to a lower end of the swing bar and a rear end pivotally connected to the circular movement unit. The stride-adjusting device includes a power unit and a lever set. The power unit is supported on the post. The lever set includes a middle portion pivotally connected to the post, an end pivotally connected to the power unit, and another end pivotally connected to the swing bars. The power unit is operable to pivot the lever set to move upper ends of the swing bars to change the strides of the elliptical movement units. | 02-26-2015 |