Patent ID: 7104930
Filing Date: 2006-09-12
Classification: A63B

Abstract:
1. An improved frame structure of a collapsible treadmill, comprising: a front frame assembly, having a first end portion and a second end portion opposing to the first end portion; a rear frame assembly, having a first end portion and a second end portion opposing to the first end portion, in which the first end portion pivots on the second end portion of the front frame assembly; lifting mechanism, substantially disposed under the front frame assembly, in which the lifting mechanism includes a front leg assembly, a rear leg assembly and a lifting device, wherein the front leg assembly has a first end portion and a second end portion, and the rear leg assembly also has a first end portion and a second end portion, of which the first end portion of the front leg assembly pivots on the second end portion of the front frame assembly, and the first end portion of the rear leg assembly pivots on the first end portion of the front frame assembly; wherein the front leg assembly and rear leg assembly slidably pivot with each other, and wherein the lifting device pivots on the front frame assembly at an end thereof and pivots on one of the front leg assembly and the rear leg assembly at the other end thereof.