Telescopically extending and retracting device for the protection of moving machine parts
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United States of America Patent
Stats
-
Jul 3, 2001
Grant Date -
N/A
app pub date -
Jan 19, 1999
filing date -
Jan 30, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A device to protect apparatus has a movable section moved alternately by drive means housed in a fixed casing of said apparatus, this alternating motion relative to the fixed casing creating an opening that expands and contracts in a lengthwise direction. The protection device comprises: a plurality of protection elements each having at least one covering portion designed to transversally close said opening and extending lengthwise; means for fixing one end of the protection device to the apparatus; and means for fixing the opposite end of the protection device to the movable part of the apparatus, retaining means also being envisaged for connecting adjacent protection elements to one another and designed to allow the plurality of protection elements to telescopically extend and retract so as to close off said opening lengthwise as the opening expands and contracts.
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