| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 081468000 | With marking mechanism | 6 |
| 20090013836 | TORQUE ADJUSTABLE SCREWDRIVER HAVING A TORQUE INDICATOR - A torque adjustable screwdriver having a torque indicator comprises a holding portion including a handle, a spring and a stopper which are received in the handle. An operation unit has a ratchet unit, a rotary rod, an exposed post, and a screwdriver head. The rotary rod is installed within the handle and passes through the spring and the stopper. The ratchet unit has an approximate cylinder shape and one end surface of the ratchet unit is formed as a sawteeth surface. In assembly, the rotary rod is engaged to the teeth of the enlarged end of the rotary rod. A setting unit includes a driving rod, a rotary unit, a resisting unit, and an adjusting cover. The rotary unit is a hollow cylinder with outer threads at one end. An inner side of the rotary unit has the outer threads being formed with teeth. | 01-15-2009 |
| 20090114067 | COMBINED WRENCH AND MARKING SYSTEM - Self-contained, combined wrench and marking system, and method for installing a fitting and for automatically marking an installed fitting. The self-contained combined wrench and marking system has a wrench that may include a wrench head for rotating a fastener during a fastener tightening operation, a torque measuring mechanism for measuring a torque applied to the fastener during the fastener tightening operation, and an angle measuring mechanism for rotating the fastener to a preset angle during the fastener tightening operation. The self-contained combined wrench and marking system also has a marking system for automatically marking the fastener after the torque is applied to the fastener and after rotating the fastener to the preset angle. | 05-07-2009 |
| 20100095813 | Socket with a Clear Marking Unit - A socket apparatus includes a socket and a marking unit. The marking unit includes an indented mark made in an external side of the socket, a colored mark disposed in the indented mark and a coating provided on the external side of the socket, beyond the colored mark. The color of the coating is in strong contrast with the color of the colored mark so that the colored layer is clear amid the coating. | 04-22-2010 |
| 20130174698 | FASTENING PART TIGHTENING MANAGEMENT SYSTEM - A fastening part tightening management system ( | 07-11-2013 |
| 20140165795 | WRENCH SOCKET FOR AUTOMATICALLY MARKING HIGH TENSION BOLT, AND METHOD FOR TIGHTENING HIGH TENSION BOLT USING SAME - There are provided a wrench socket and a method for tightening a high tension bolt. The wrench socket includes: a housing making partial contact with a nut to apply force to the nut, the housing being rotatably coupled to a handle; a marker disposed in the housing for marking a high tension bolt, the nut, and a washer according to a height of the high tension bolt; a gauge disposed in the housing for making contact with the high tension bolt and reciprocating according to a position of the high tension bolt; and an elastic part configured to apply an elastic force to the gauge according to a position of the gauge unit. | 06-19-2014 |
| 20140208899 | TORQUE DRIVER - It is to provide a torque driver capable of bringing a marker into direct contact with a surface of a fastener member such as a screw to perform marking. | 07-31-2014 |
