| HYPHONE MACHINE INDUSTRY CO., LTD. Patent applications |
| Patent application number | Title | Published |
|---|
| 20120080208 | PNEUMATIC MOTOR AND PNEUMATIC TOOL HAVING THE SAME - A pneumatic motor of the present invention is provided for pneumatic tool. The pneumatic motor includes a cylinder, a rotor and a controlling valve. The rotor is rotatably disposed in the cylinder. Two gas passages and an exhaust hole are defined by the cylinder. The exhaust hole extends along a circular direction of the rotor. The exhaust hole has a first end and a second end. The exhaust hole is partially covered by the controlling valve. The exhaust hole has a remained opened portion which is adapted for air to flow therethrough. The controlling valve is adjustable so as to change position of the opened portion. As such, a power stroke in the cylinder is able to be adjusted, so that the power generated by the pneumatic motor is changeable. | 04-05-2012 |
| 20110005788 | TRANSMISSION MODULE FOR PNEUMATIC TOOL - A transmission module includes a sleeve member, a cover disc, a hammering portion and an axle. The sleeve member has a rear disc and a cylinder body. A receiving space is defined between the rear disc and the cylinder body. The rear disc is formed with a teethed bore. The inner surface of the cylinder body is formed with at least one axially-stretched rib. The cover disc is disposed on the open end of the receiving space. The cover disc is formed with an axial bore. The hammering portion includes at least one rotary hammer, which is received in the receiving space. The rotary hammer has a through hole and a positioning groove. The rib is engaged with the positioning groove. The axle has a driven end and a working end. The driven end is inserted through the axial bore and mated with the through hole. | 01-13-2011 |
| 20100313715 | POWER DRIVEN RATCHET WRENCH - A power driven ratchet wrench includes a handle, a working portion and a switch portion. The working portion includes a yoke, a ratchet head and a socket. The yoke is disposed on the handle and defines a receiving space therein, and it has a first through hole. The ratchet head is coupled with a transmission element and has a third through hole corresponding to the first through hole. The ratchet head is swayable about an axis of the socket. The switch portion includes a switching button and an engaging unit. The engaging unit stops the socket from relatively rotating in a first direction as the switching button locates at a first switch position. The engaging unit stops the socket from relatively rotating in a second direction as the switching button locates at a second switch position. | 12-16-2010 |
