This invention is relating to an improvement configured to a pushing caster of jogging machine. The body of jogging machine contains one master frame, one framework, one jogging board, one front transverse-rod, one hand holder, one rear floor-rod, etc. components. The transverse rod designed for mas
This invention is relating to an improvement configured to a pushing caster of jogging machine. The body of jogging machine contains one master frame, one framework, one jogging board, one front transverse-rod, one hand holder, one rear floor-rod, etc. components. The transverse rod designed for master frame's base and front transverse-rod are fitted to the base of master frame where caster assemblies are plugged and retained at their both ends respectively. Diameter of caster is slightly bigger than diameter of rods. The inner sides of caster assembly, that is, the opposite direction that caster assembly face one another as they are installed at transverse-rod of master frame's base and front transverse-rod, is erected a positioning bushing to secure itself individually. Afterward, the outer circumference of each positioning bushing is enveloped by a floor-type rubber block which is in rectangular shape. This floor-type rubber block can be revolved around positioning bushing. Floor-type rubber block has been featured unequal thickness. It is designed to have its thickness bigger than diameter of caster assembly. Therefore, when the non-slip surface, that is, floor-type rubber block's bottom, contacts with floor surface, it will prop up the height of transverse-rod at master frame's base and the height of front transverse-rod because of the design feature. This prop will create a gap between each caster assembly and floor surface, and then disable caster's flnction. On the other hand, when floor-type rubber block is revolved to lose the contact between non-slip surface and floor surface, the thickness is small enough to reduce the height of transverse-rod at master frame's base and the height of front transverse-rod. The contact mechanism will be switched to caster assembly and floor surface instead. The machine body of jogging machine is ready for pushing movement.
대표청구항▼
[ What is claimed is:] [1.] A jogging machine having a master frame, and a framework with a jogging board, the framework movably connected to the master frame so as to be movable between a stored position and a use position, the jogging machine comprising:a) a supporting frame mounted to the master
[ What is claimed is:] [1.] A jogging machine having a master frame, and a framework with a jogging board, the framework movably connected to the master frame so as to be movable between a stored position and a use position, the jogging machine comprising:a) a supporting frame mounted to the master frame and including first and second transverse rods, the first and second transverse rods being spaced apart from one another, and each having opposite ends;b) a caster assembly mounted on each opposite end of each transverse rod, the caster assembly including a caster having a radius greater than that of the associated transverse rod; andc) at least one block movably mounted on each of the first and second transverse rods, each block having a non-slip surface spaced from the associated transverse rod a distance greater than the radius of the casters on the associated transverse rod, the at least one block being movable between a first position wherein the non-slip surface is in contact with a floor surface supporting the jogging machine thereby elevating the supporting frame such that the casters are out of contact with the floor surface, and a second position wherein the non-slip surface is out of contact with the floor surface such that the casters are in contact with the floor surface to movably support the jogging machine.
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이 특허에 인용된 특허 (3)
Dalebout William T. ; Hammer Rodney ; Hendrickson Rick, Fold-out treadmill.
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