Importance

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Abstract

A fire-fighting monitor includes a first body having an internal passageway defining an inlet and an outlet, a coupler having an internal passageway defining an inlet and an outlet, the coupler being pivotally mounted to the body at the outlet of the body wherein the internal passageway of the coupler is in communication with the internal passageway of the body, and the coupler having at least one pivot axis. Further, the monitor includes a counterbalance device, which comprises an annular member mounted to the first body at the pivot axis. The counterbalance device further comprises a pivot member mounted to the coupler and a second unitary body mounted about the pivot member, with the second unitary body being adapted to engage and generate an interference with an inner surface of the annular member when the coupler is pivoted about the pivot axis in a first direction and adapted to release the interference with the inner surface of the annular member when the coupler is pivoted about said pivot axis in an opposed second direction from the first direction.

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First Claim