Sitting Type Oblong Orbital Exercising Machine

摘要

An oblong orbital exercising machine includes a main frame, an upright, a seat support, a cycle movement mechanism, two swinging handles, two drive bars, two pedal units and two adjustment units. Each of the pedal units includes a fixing plate, a rocking plate, two springs, two fastening rods and a pedal. Each of the two adjustment units includes a fixed disk, an adjusting disk, two limit stubs, a hollow rod, a hollow mounting sleeve and a positioning pull pin. Thus, when the pedal units are moved in concert with the drive bars, the pedal of each of the pedal units is adjusted to correspond to the oblong trace of movement. In addition, the user can adjust the position of each of the pedal units easily and quickly by operation of each of the two adjustment units.

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 on the main frame; a slide rail mounted on the seat support; a seat slidably mounted on the slide rail; two guiding tracks mounted on the main frame; two swinging handles pivotally mounted on 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 one of the two drive bars; two driven bars each having a first end pivotally connected with one of the two swinging handles and a second end pivotally connected with one of the two drive bars; and two rollers each pivotally connected with the second end of one of the two driven bars and each movably mounted in one of the two guiding tracks; 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; and the fixing plate of each of the pedal units is perpendicular to the respective drive bar.