Portable exercise device

Abstract

A portable exercise device includes a main body, a driving device, at least one transmission member, at least two straps and at least two assembling members. The main body has an inner space, the inner space has a containment space, and a limiting slot and an opening are respectively disposed on a bottom portion and a sidewall of opposite sides of the main body. The driving device is a motor disposed in the containment space, the driving device connected to an eccentric member and a driving shaft. The transmission member includes a longitudinal slot and an extension arm disposed adjacent to each of two sides of the longitudinal slot, the transmission member disposed in the inner space of the main body, the eccentric member inserted through the longitudinal slot, and front and rear sidewalls of the main body are configured to position the transmission member.

What is claimed is: 
     
         1 . A portable exercise device comprising: a main body, a driving device, at least one transmission member, at least two straps and at least two assembling members, wherein:
 the main body has an inner space, the inner space has a containment space, and a limiting slot and an opening are respectively disposed on a bottom portion and a sidewall of opposite sides of the main body;   the driving device is a motor disposed in the containment space of the main body, the driving device connected to an eccentric member and a driving shaft;   the transmission member includes a longitudinal slot and an extension arm disposed adjacent to each of two sides of the longitudinal slot, the transmission member disposed in the inner space of the main body, the eccentric member inserted through the longitudinal slot, and front and rear sidewalls of the main body are configured to position the transmission member such that the transmission member is capable of moving only in the inner space of the main body;   a first end of each strap is placed through a corresponding opening of the main body and attached onto a corresponding extension arm of the transmission member in via a corresponding assembling member, and a second end of each strap provides an adjustable fastening section; and   each assembling member is placed through the corresponding extension arm of the transmission member and the corresponding limiting slot of the main body, such that each assembling member couples the strap and the transmission member together, and the two assembling members are respectively secured onto a bottom portion the main body.   
     
     
         2 . The portable exercise device as claimed in  claim 1 , wherein the main body includes the bottom portion and a sidewall extending upwardly from the bottom portion, the bottom portion and the sidewall at least partially defining the inner space of the main body, and the inner space is divided by a cylindrical member to form the containment space. 
     
     
         3 . The portable exercise device as claimed in  claim 1 , wherein the sidewall of the main body has a raised portion, a front and rear side of the transmission member are each provided with a positioning block, such that the transmission member is capable of moving only in the inner space of the main body. 
     
     
         4 . The portable exercise device as claimed in  claim 1 , wherein the main body has a top cover and a bottom cover, the top cover and the bottom cover enclosing the main body. 
     
     
         5 . The portable exercise device as claimed in  claim 1 , wherein the driving device is a single-phase motor, an upper side and lower side of the single-phase motor respectively coupled to the transmission member and a connecting member, the connecting member being used for securing the assembling member. 
     
     
         6 . The portable exercise device as claimed in  claim 1 , wherein the driving device is a double-phase motor, an upper side and lower side of the double-phase motor respectively coupled to a transmission member. 
     
     
         7 . The portable exercise device as claimed in  claim 1 , wherein the eccentric member is jacketed with a bearing. 
     
     
         8 . The portable exercise device as claimed in  claim 1 , wherein the first end of each strap forms a loop, each assembling member is a shaft passing through a corresponding loop to attach the strap onto the transmission member. 
     
     
         9 . The portable exercise device as claimed in  claim 1 , wherein the two adjustable fastening sections are corresponding Velcro or adhesive sections. 
     
     
         10 . The portable exercise device as claimed in  claim 1 , wherein the two adjustable fastening sections are corresponding fastening devices.