CPC B25J 17/0291 (2013.01) [B25J 5/007 (2013.01); B25J 18/007 (2013.01); F16K 31/504 (2013.01); F16L 55/1108 (2013.01)] | 20 Claims |
1. A valve operating device comprising:
a first pivot defining a first vertical axis and a horizontal axis;
a second pivot defining a second vertical axis;
a first arm portion between the first and second pivots, wherein the first arm portion is configured to rotate around the first vertical axis defined by the first pivot and is configured to pivot around the horizontal axis defined by the first pivot, the first arm portion being configured to pivot relative to the second pivot;
a second arm portion extending from the second pivot, wherein the second arm portion is configured to rotate around the second vertical axis defined by the second pivot;
a valve operating machine fixedly attached to an end of the second arm portion, the valve operating machine being operable to turn a key to exercise a valve; and
an actuator connected between the first pivot and the first arm portion and configured to cause the first arm portion, the second pivot, the second arm portion and the valve operating machine to pivot upward and downward relative to the first pivot around the horizontal axis.
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