Portable truck or trailer ladder assembly
First Claim
Patent Images
1. A portable ladder apparatus for attachment to a truck or trailer having at least one stake pocket, the apparatus comprising:
- a support plate;
a ladder section having a plurality of steps affixed between a pair of ladder bars, the ladder section having a top and bottom, wherein respective ladder bars are is pivotally attached to opposite ends of the support plate for rotation of the ladder section between a use position in which the ladder section is inclined at an angle relative to vertical with the bottom of the ladder section being located below the support plate, and a stowage position in which the bottom of the ladder section is located above the support plate; and
a connector for connecting the support plate to one of the at least one stake pocket, the connector consisting essentially of a generally rectangular post fixedly attached to the support plate, the post being sized for insertion into the stake pocket wherein the support plate is constrained from rotating about a vertical axis extending through the stake pocket.
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Abstract
A portable ladder for attachment to truck and trailer beds having stake or post pockets spaced about the outer periphery of the truck or trailer frame, including an attachment plate having a post sized for fitting into one of the stake or post pockets and a ladder section pivotally connected to the attachment plate by a pair of links or hinges, to permit the ladder section to be pivotally moved downwardly over the edge of the truck or trailer bed into a use position for climbing and to be pivotally moved upwardly over the truck or trailer bed into a stowage position.
137 Citations
7 Claims
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1. A portable ladder apparatus for attachment to a truck or trailer having at least one stake pocket, the apparatus comprising:
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a support plate; a ladder section having a plurality of steps affixed between a pair of ladder bars, the ladder section having a top and bottom, wherein respective ladder bars are is pivotally attached to opposite ends of the support plate for rotation of the ladder section between a use position in which the ladder section is inclined at an angle relative to vertical with the bottom of the ladder section being located below the support plate, and a stowage position in which the bottom of the ladder section is located above the support plate; and a connector for connecting the support plate to one of the at least one stake pocket, the connector consisting essentially of a generally rectangular post fixedly attached to the support plate, the post being sized for insertion into the stake pocket wherein the support plate is constrained from rotating about a vertical axis extending through the stake pocket. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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Specification