| Patent application number | Description | Published |
|---|
| 20090152784 | SWING CLAMP | 06-18-2009 |
| 20100066002 | DEVICE FOR DETECTING OPERATION OF CLAMP - A clamp rod ( | 03-18-2010 |
| 20120292843 | CLAMPING APPARATUS - An annular piston is vertically movable and rotatable. A guide groove is provided in an outer peripheral portion of the annular piston, and an engaging ball to be fitted into the guide groove is provided on an inner peripheral wall of a cylinder hole. A transmission mechanism prevents the clamp rod and the annular piston from rotating relatively to each other and permits them to move relatively to each other in a vertical direction. When the clamp rod is moved from a released raised position to a locked lowered position, the annular piston descends while rotating via a rotational groove and the engaging ball, and the annular piston causes the clamp rod to rotate, causing the clamp rod to descend straight down. | 11-22-2012 |
| 20130199366 | CYLINDER DEVICE WITH FORCE MULTIPLIER - An output rod ( | 08-08-2013 |
| 20140109759 | CYLINDER DEVICE WITH FORCE MULTIPLIER - A first piston ( | 04-24-2014 |
| 20150159680 | CYLINDER DEVICE WITH FORCE MULTIPLIER - A first piston ( | 06-11-2015 |
| 20150247512 | CYLINDER DEVICE WITH FORCE MULTIPLICATION MECHANISM - A first piston ( | 09-03-2015 |
| 20150308423 | CYLINDER APPARATUS - Apparatus configuration in which: a piston ( | 10-29-2015 |
