Patent ID: 11920318
Assignee: OBJECTVIDEO LABS, LLC
Field: Measurement (Instruments)
Classification: CPC E  F  G  H | IPC E  F  G  H

Claim 0:
1. A manhole device comprising:
a manhole cover;
a float body coupled to the manhole cover;
a canister that includes an interior section and a valve formed in the interior section, the interior section is configured to receive the float body when the manhole cover is in a resting position, the valve is configured to allow liquid in the interior section to flow through a primary opening in a bottom surface of the canister when the valve is opened and configured to substantially prevent liquid in the interior section to flow through the primary opening when the valve is closed; and
multiple float guides coupled to the manhole cover that pass through corresponding openings in the bottom surface of the canister, the multiple float guides are configured to connect the manhole cover to the canister,
wherein the float body is configured to raise the multiple float guides and the manhole cover from the resting position with respect to the bottom surface of the canister as liquid collects in the interior section of the canister.