US 12,240,033 B2
Multi-part conduit bender handle
Josh L. Leber, Brenham, TX (US); and Bryan C. Blaylock, Brenham, TX (US)
Assigned to TENCO INDUSTRIAL, LLC, Brenham, TX (US)
Filed by TEMCo Industrial, LLC, Brenham, TX (US)
Filed on Mar. 22, 2024, as Appl. No. 18/613,230.
Claims priority of provisional application 63/454,095, filed on Mar. 23, 2023.
Prior Publication US 2024/0316609 A1, Sep. 26, 2024
Int. Cl. B25G 3/36 (2006.01); B21D 7/06 (2006.01); B25G 1/00 (2006.01)
CPC B21D 7/063 (2013.01) [B25G 1/00 (2013.01); B25G 3/36 (2013.01)] 12 Claims
OG exemplary drawing
 
1. A multi-part conduit bender handle for attachment to a conduit bender head, the conduit bender head includes female NPT standard threads, comprising:
a lower tube includes male NPT standard threads formed on opposing ends thereof, the female NPT standard threads of the conduit bender head are adapted to threadably receive said male NPT standard threads of one end of said lower tube; and
an upper tube includes an inner diameter, a modified NPT female thread bore is formed in at least one end of said inner diameter of said upper tube to form modified female NPT threads, said modified NPT female threads have a diameter of about one inch and a depth of about 0.85 inches, said modified NPT female thread bore has a greater diameter than a standard NPT female thread bore for forming standard NPT female threads, a standard NPT tap is used to create said modified NPT female threads in said modified NPT female thread bore, a depth of said modified NPT female thread bore is greater than a depth of the standard NPT female thread bore, wherein said male NPT standard threads have complete engagement with said modified female NPT threads for said depth of said modified NPT female threads, wherein threadable engagement of said male NPT standard threads of said lower tube and said modified NPT female threads of said upper tube provide a rigid connection between said upper and lower tubes.