Fire escape – ladder – or scaffold – Suspended platform
Reexamination Certificate
2005-10-25
2005-10-25
Thompson, II, Hugh B. (Department: 3634)
Fire escape, ladder, or scaffold
Suspended platform
C182S090000, C182S092000, C280S163000, C280S165000
Reexamination Certificate
active
06957719
ABSTRACT:
A step apparatus (10) is provided for use on a vehicle tire and includes a first step assembly (12) which includes a first step portion and a pair of first struts extending upward from the first step portion. A second step assembly (18) includes a second step portion and a pair of end bracket members extending downward from the second step assembly. Each of the end bracket members includes a front bracket portion and a rear bracket portion. Hinge members (28) are connected between the first struts and the front bracket portions. A pair of pawl assemblies (30) are connected to the rear bracket portion. When the tire step apparatus is installed on a tire, a person can step up on the first step portion and the second step portion. Each of the first struts includes a stop member for contacting the tire when the apparatus is installed on the tire. Each of the pawl assemblies includes a pawl hinge connected to one of the rear bracket portions. A pawl plate is connected to the pawl hinge. The front bracket portions have a front bracket length, and the first struts have a first strut length. When the first step assembly is placed in a storage orientation, the first step portion is placed in registration in a nested relationship with the second step portion. In addition, a third step assembly (42) can be connected by additional hinges to the first step assembly and can be folded around the second step assembly when in a storage orientation.
REFERENCES:
patent: 3876230 (1975-04-01), Phillips
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