US2016290072A1PendingUtilityA1

Device for holding bush member with drill column of machine

Assignee: CATERPILLAR GLOBAL MINING LLCPriority: May 31, 2016Filed: May 31, 2016Published: Oct 6, 2016
Est. expiryMay 31, 2036(~9.8 yrs left)· nominal 20-yr term from priority
E21B 19/18E21B 41/0021E21B 19/02E21B 7/021
37
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Claims

Abstract

A device for holding a bush member with a drill column of a machine is disclosed. The device includes a first member adapted to engage with the bush member. The device also includes a second member spaced apart from the first member. The second member is coupled to the first member by a connecting member. The second member includes an opening to receive the drill column. The device includes a flange member removably coupled to the second member. The flange member includes a first engagement portion adapted to contact with an outer surface of the drill column having a first perimeter. The first engagement portion is supported on a step portion defined in the drill column.

Claims

exact text as granted — not AI-modified
What is claimed is: 
     
         1 . A device for holding a bush member with a drill column of a machine, the device comprising:
 a first member adapted to engage with the bush member;   a second member spaced apart from the first member, and coupled to the first member by a connecting member, the second member includes an opening to receive the drill column therein; and   a flange member removably coupled to the second member, the flange member includes a first engagement portion adapted to contact with an outer surface of the drill column having a first perimeter, wherein the first engagement portion is supported on a step portion defined in the drill column.   
     
     
         2 . The device of  claim 1 , wherein the flange member includes a second engagement portion opposite to the first engagement portion, wherein the second engagement portion is adapted to contact with an outer surface of the drill column having a second perimeter. 
     
     
         3 . The device of  claim 2 , wherein the flange member includes a hole between the first engagement portion and the second engagement portion to allow coupling of the flange member with the second member via a fastening member, wherein the hole is located at a first distance from the first engagement portion and at a second distance from the second engagement portion to selectively couple the flange member with the second member based on the first perimeter and the second perimeter of the drill column.

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