Patent ID: 7985041

Claim:
A coupler nut ( 1 ) with a first internal bore ( 2 ), said coupler nut ( 1 ) comprising: a. a first outer wall ( 3 ); b. a first end ( 4 ); c. a second end ( 5 ); d. said first internal bore ( 2 ), wherein: i. said first internal bore ( 2 ) has a first diameter ( 6 ) that occupies a first portion ( 7 ) of said first internal bore ( 2 ); ii. said first internal bore ( 2 ) has a pair of second diameters ( 8 ) that at least partially occupy a pair of second portions ( 9 ) of said first internal bore ( 2 ), said second diameters ( 8 ) being greater than said first diameter ( 6 ), one of said second diameters ( 8 ) being between said first diameter ( 6 ) and said first end ( 4 ), and the other of said second diameters ( 8 ) being between said first diameter ( 6 ) and said second end ( 5 ); and iii. said first outer wall ( 3 ) has at least one opening ( 13 ) that opens to said first internal bore ( 2 ) and to said first diameter ( 6 ) and at least one opening ( 13 ) that opens to each of said second diameters ( 8 ).