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Multimodal indicator safety device for ladder positioning.

Authors
Simeonov-P; Hsiao-H; Powers-J
Source
U S Patent 8,167,087 2012 May; :1-16
NIOSHTIC No.
20041142
Abstract
A safety device for measuring and indicating the level of a ladder having rungs extending between a pair of elongated ladder rails, the safety device comprising a housing dimensioned to be inserted into one of the rungs of the ladder, an electronic sensor disposed in the housing, a controller disposed in the housing, which is in electronical communication with the sensor, at least one indicator, and a power supply for supplying power to the device. The electronic sensor measures the inclination of the ladder to produce a measured inclination which the controller compares to a stored predetermined level value to produce a comparison signal. The at least one indicator receives the comparison signal and indicates to the user the comparison signal.
Keywords
Ladders; Extension-ladders; Safety-equipment; Monitors; Monitoring-systems; Warning-signals; Warning-devices; Injury-prevention; Accident-prevention
Publication Date
20120501
Document Type
Patent
Fiscal Year
2012
NTIS Accession No.
NTIS Price
Identifying No.
B08012012
NIOSH Division
DSR
Priority Area
Construction
Source Name
U S Patent 8,167,087
State
WV
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