Michael A Hyska, Age 62480 Parham Rd, Bronson, MI 49028
Michael Hyska Phones & Addresses
480 Parham Rd, Bronson, MI 49028 (517) 369-7165
Manistique, MI
Coldwater, MI
Orland, IN
Work
Position:
Professional/Technical
Education
Degree:
High school graduate or higher
Mentions for Michael A Hyska
Publications & IP owners
Us Patents
Anti-Intrusion Device For Portal Closure
US Patent:
2002009, Jul 18, 2002
Filed:
Jan 18, 2001
Appl. No.:
09/766312
Inventors:
James Gerchow - Sturgis MI, US
Michael Hyska - Bronson MI, US
William Schlabach - Bronson MI, US
Michael Hyska - Bronson MI, US
William Schlabach - Bronson MI, US
International Classification:
E05C017/44
E05C017/54
E05C017/54
US Classification:
292/339000, 292/338000
Abstract:
An anti-intrusion apparatus for a portal closure comprises first and second leg units having hingedly joined inner end portions and outer end portions respectively engagable with a closed movable closure at a portal and with fixed portal-adjacent structure. The apparatus folds for storage and has an unfolded use position in which the leg units are unfolded through an arc exceeding 180 to an over-center position. The first and second leg units are hinged at a knee unit wherein detent structure between the knee unit and at least one of the leg units defines a resiliently fixed relative position of the leg units. The first and second leg units are pivotally joined at the knee unit which in turn carries an alarm unit.
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