A Battery-Powered Tool to Move Utility Manhole Covers: Field Data and Proof of Concept
Richard W. Marklin, Jay Schabelski, Sean Gallagher, Iván Nail-Ulloa, John Shober
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Source: Crossref
Published: Jul 24, 2024
DOI: 10.1177/10648046241260451
Open original source ↗Source abstract
A new tool was designed and fabricated for workers to remove and replace electric utility manhole and vault covers. This tool, which is portable and weighs 7.26 kg (16 lb.), employs a battery-powered electric motor to raise and lower the cover, reducing the manual force. The design was based on field observations and biomechanical measurements of utility workers who moved manhole covers. Biomechanical data from the pilot study reveal the tool’s potential to reduce risk of a back injury. Field observations and data demonstrate the proof of concept, and the design will be further developed.
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