US2007235229A1PendingUtilityA1

Powered hand slips

33
Assignee: HENDERSON KRISPriority: Apr 11, 2006Filed: Apr 11, 2006Published: Oct 11, 2007
Est. expiryApr 11, 2026(expired)· nominal 20-yr term from priority
Inventors:Kris HendersonJeremy LouviereThomas Bergeron
E21B 19/10
33
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Claims

Abstract

Hand slips having an automated device for raising and lowering the hand slips including a mounting bracket, a motor and a yoke connected to the hand slips using a suitable linkage.

Claims

exact text as granted — not AI-modified
1 . An apparatus for raising and lowering hand slips comprising: 
 a. a motor having a horizontal drive shaft;    b. a yoke connected to said drive shaft;    c. means for affixing said motor to a spider bowl; and    d. a linkage for connecting said yoke to said hand slips.    
   
   
       2 . The apparatus of  claim 1 , wherein said motor is actuated using hydraulic power.  
   
   
       3 . The apparatus of  claim 2 , wherein said motor is actuated using pneumatic power.  
   
   
       4 . The apparatus of  claim 1 , wherein said means for connecting said yoke to said hand slips comprises a chain.  
   
   
       5 . The apparatus of  claim 1 , wherein said motor is a rotary actuator.

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