By exercising their rights under the Freedom of Information Act, the authors obtained the Consumer Product Safety Commission data on injuries sustained with lawn mowers and snowblowers equipped with deadman controls. The associated failure modes and effects verify the predictions contained in the literature. All of the failure modes involve ergonomic considerations. 'Bypass' incidents are characterized using the Compatibility Hypothesis and 'reliability' accidents are explored with the Dependency Hypothesis. There is also a discussion of the zero mechanical state (ZMS) concept and its relationship with the current approach to lawn mower and snowblower maintenance.
Deadman controls on lawn mowers and snowblowers
Sicherheitskontrollen an Rasenmähern und Schneeschleudern
1989
10 Seiten, 2 Bilder, 1 Tabelle, 40 Quellen
Conference paper
English
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