Patent ID: 11885450
Assignee: NELSON IRRIGATION CORPORATION
Field: Chemical engineering (Chemistry)
Classification: CPC F  B | IPC B  F

Claim 0:
1. A coupler comprising:
a female connector having a central bore and a plurality of recesses; and
a male connector having a post insertable into the central bore, the male connector including a first tab row including a plurality of first tabs and a second tab row including a plurality of second tabs axially spaced from the plurality of first tabs, wherein the first and second tabs are shaped corresponding to the recesses in the female connector,
wherein the first and second tab rows are circumferentially offset to effect a two-step connection between the female connector and the male connector, and wherein the female connector and the male connector are rotatable relative to each other in each step of the two-step connection to align the plurality of recesses with the plurality of first tabs in a first step of the two-step connection and to align the plurality of recesses with the second tabs in a second step of the two-step connection.