Sitting type oblong orbital exercising machine

摘要

An oblong orbital exercising machine includes a main frame, an upright mounted on the main frame, a seat support mounted on the main frame, a cycle movement mechanism mounted between the seat support and the main frame, a seat mounted on the seat support, two guiding tracks mounted on the main frame, two swinging handles pivotally connected with the upright, two drive bars each having a first end pivotally connected with the cycle movement mechanism, two pedal units mounted on a second end of the respective drive bar, two driven bars each having a first end pivotally connected with the respective swinging handle and a second end pivotally connected with the respective drive bar, and two rollers each pivotally connected with the respective driven bar and each movably mounted in the respective guiding track.

主权项

1. An oblong orbital exercising machine comprising:
a main frame; an upright mounted on a front portion of the main frame; a seat support mounted on a rear portion of the main frame; a cycle movement mechanism mounted between the seat support and the main frame; a seat mounted on the seat support; two guiding tracks each mounted on the main frame; two swinging handles each pivotally connected with the upright; two drive bars each having a first end pivotally connected with the cycle movement mechanism; two pedal units each mounted on a second end of the respective drive bar; two driven bars each having a first end pivotally connected with the respective swinging handle and a second end pivotally connected with the respective drive bar; and two rollers each pivotally connected with the respective driven bar and each movably mounted in the respective guiding track; wherein: each of the pedal units includes: a fixing plate secured on the second end of the respective drive bar and provided with two elongate slots; a rocking plate pivotally connected with the second end of the respective drive bar; two springs biased between the fixing plate and the rocking plate; two fastening rods secured on the rocking plate and extending through the springs and the elongate slots of the fixing plate; and a pedal secured on the rocking plate.