Fire escape – ladder – or scaffold – Safety device for ground-supported ladder
Reexamination Certificate
2008-06-03
2008-06-03
Chin-Shue, Alvin C (Department: 3634)
Fire escape, ladder, or scaffold
Safety device for ground-supported ladder
Reexamination Certificate
active
07380640
ABSTRACT:
A ladder securing device for securing an extension ladder to a structure. The device includes: a first U-shaped clamping member; a second U-shaped clamping member slidably coupled to the first clamping member; a first plate member fixedly coupled to the first U-shaped clamping member; a second plate member fixedly coupled to the second U-shaped clamping member; a first gripping portion pivotally coupled to the first clamping member; a second gripping portion having an adjustable screw therein, and pivotally coupled to the second clamping portion; a first flexible securing member and flexible second securing coupled to the first clamping member, wherein each are configured to extend outward from the first clamping member and be wrapped around an extension ladder; a first fastening mechanism coupled to the first flexible securing member; and a second fastening mechanism coupled to the second securing member, and removably coupleable to the first fastening mechanism.
REFERENCES:
patent: 2519630 (1950-08-01), Boyer
patent: 2904128 (1959-09-01), Galen et al.
patent: 2999290 (1961-09-01), Giles
patent: 4924971 (1990-05-01), Rice
patent: 5078231 (1992-01-01), Davis
patent: 5215163 (1993-06-01), Kent, Sr. et al.
patent: 5509500 (1996-04-01), Delagers
patent: 5549261 (1996-08-01), Hardin
patent: D406652 (1999-03-01), Marchand
patent: 6276039 (2001-08-01), Barnes
patent: 6354401 (2002-03-01), Murray
patent: 6427803 (2002-08-01), Moore
patent: 6550577 (2003-04-01), Allgire
patent: 6805221 (2004-10-01), Lee
patent: 2003/0188924 (2003-10-01), Bamber
patent: 2004/0055820 (2004-03-01), Charlton
patent: 2006/0248990 (2006-11-01), Bertholf et al.
Kemp Howard H.
Kemp Timothy
Advantia Law Group
Chin-Shue Alvin C
Starkweather Michael W.
Webb Jason P.
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