CPC E21B 34/063 (2013.01) [E21B 23/00 (2013.01); E21B 36/04 (2013.01)] | 18 Claims |
1. An actuator comprising:
a modular housing;
a biasing member within the housing;
a retainer configured to retain the biasing member in a biased position; and
a trigger holding the retainer, the trigger having a trigger head anchorable to the housing, a separation neck having a helical groove therein and a trigger body, the body being connected to the retainer, the trigger being deflatable on command.
|