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US 12,344,509 B2Granted
Elevator rail cleaning device
AssigneeOtis Elevator Company
InventorDemetrious Gooden
Life of this patent
Estimating the term…
Abstract
A rail cleaning device, having: a gearbox having a first face and a second face; an input shaft extending into the gearbox via the first face of the gearbox and is configured to be coupled to a drill; output shafts extending from the gearbox via the second face and are operationally coupled to the input shaft via the gearbox; drill brushes connected to ones of the output shafts, including first and second flange brushes and a web brush between the flange brushes.
Claims19
A rail cleaning device, comprising:
- a gearbox having a first face and a second face;
- an input shaft extending into the gearbox via the first face of the gearbox and is configured to be coupled to a drill;
- output shafts extending from the gearbox via the second face and are operationally coupled to the input shaft via the gearbox;
- drill brushes connected to ones of the output shafts, including first and second flange brushes and a web brush between the flange brushes,
- wherein the flange brushes are cylinder brushes and the web brush is a cup brush.
2 more elements
Dependencies are inferred from the claim text.