Patent ID: 11911642
Assignee: WASHINGTON SUBURBAN SANITARY COMMISSION
Field: Environmental technology (Chemistry)
Classification: CPC A  B  E | IPC A  B

Claim 4:
5. The fire hydrant repair tool of claim 4, wherein the valve key comprises a first mounting block and a second mounting block, wherein the first mounting block defines the first through hole, wherein the second mounting block defines a third through-hole, wherein the shaft comprises a first pair of parallel plates that are spaced to receive the first mounting block and a second pair of parallel plates that are spaced to receive the second mounting block, wherein the first pair of parallel plates collectively define the second through-hole, wherein the second pair of parallel plates collectively define a fourth through-hole that is aligned with the third through hole, wherein the at least one locking pin comprises a first locking pin that extends through the first and second through-holes and a second locking pin that extends through the third and fourth through-holes.