EAR DEFENDERS FOR FASTENING TO A PROTECTIVE HELMET, IN PARTICULAR FOR FORESTRY WORKERS
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United States of America Patent
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-
N/A
Issued Date -
Aug 29, 2013
app pub date -
Jul 12, 2011
filing date -
Jul 13, 2010
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
An ear protection to be fastened to a protective helmet, particularly for forestry workers, is described. The ear protection comprises two ear protectors each of which comprises a fork-like supporting bracket comprising ear protection capsule pivotably supported thereon and a rotary plate connected to the supporting bracket by a tilting joint in relation to which the supporting bracket can be bistably tilted into an extended and into a retracted position. The rotary plate is rotatably supported in a receiving part attached to the helmet. A yoke spring disposed between the rotary plate and the supporting bracket pre-stresses the supporting bracket to abut on stoppers defining the extended and the retracted position of the supporting bracket. The receiving part is attached to the inside of the helmet. The ear protectors are therefore rotatable into a parking position within the helmet.
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