Patent ID: 11859795
Assignee: TENNANT COMPANY
Field: Furniture, games (Other fields)
Classification: CPC F  A | IPC A  F

Claim 0:
1. A surface maintenance machine comprising:
a body;
a surface maintenance tool coupled to the body;
processing circuitry supported at the body; and
a light projection mechanism supported at the body and coupled to the processing circuitry, the light projection mechanism including a light housing, a light emitting element within the light housing, and a projection lens that is configured to focus light emanating from the light emitting element,
wherein the light projection mechanism is configured to project light onto a ceiling surface that is above a floor surface along which the surface maintenance machine is configured to perform a surface maintenance task using the surface maintenance tool, and
wherein the processing circuitry is configured to receive input related to transitioning the surface maintenance machine from a manually driven mode to an autonomously mode and in response to said received input cause the light projection mechanism to transition from a disabled state to an enabled state.