Patent ID: 8708874
Filing Date: 2014-04-29
Classification: A63B

Abstract:
1. An abdominal exercise equipment comprising: a housing including a longitudinal direction and being formed with a receiving chamber, a base of the housing being formed at both sides thereof in the longitudinal direction with two opposite rear-wheel holes, two opposite front-wheel holes, and an assembling hole between the two front-wheel holes, the housing being formed at both sides thereof in the longitudinal direction with two inserting holes; a rear wheel assembly including two rear wheels and a gear shaft and disposed in the receiving chamber in such a manner that the two rear wheels are inserted through the two rear-wheel holes and exposed out of the housing; a front wheel assembly including two front wheels and a connecting shaft, the connecting shaft including a transverse shaft connected between the two front wheels, in the middle of the transverse shaft being formed a longitudinal shaft to be inserted through the assembling hole of the housing; a vibration device disposed in the receiving chamber of the housing and including an eccentric wheel and a power source, the power source being electrically connected to an electric power supply unit and serving to rotate the eccentric wheel, so as to produce vibration; a return gear assembly disposed in the receiving chamber and comprising a gear and two return members, the gear including a central shaft inserted in the two return members, each of the return members including an elastic portion in a middle thereof, a transverse leg at one end of the elastic portion to engage with the gear, and a longitudinal leg at another end of the elastic portion to engage with the housing, the return gear assembly further including a two-step gear with a first step portion to be engaged with the gear shaft and a second step portion to be engaged with the gear, and the first step portion has a diameter greater than the second step portion; and two handles each including an assembling member which has one end inserted in the inserting holes of the housing and another end pivotally connected to a gripping rod, and the gripping rod of one of the handles being provided with a vibration-control switch to control the power source.