Patent ID: 11952837
Assignee: T-H MARINE SUPPLIES, LLC
Field: Civil engineering (Other fields)
Classification: CPC E  B | IPC B  E

Claim 15:
16. A ladder system comprising:
a. a main support wherein said main support is an I-beam;
b. a plurality of steps attached to said main support I-beam and rotatable between a use position and a storage position;
c. a guide block assembly rotatably attached at one end of said main support I-beam and having a pivot pin;
d. at least one step spacer housed within a recess in the main support I-beam that supports the step when in the use position;
e. a first support arm having a first end and a second end, wherein the first support arm first end hooks to the pivot pin in the guide block assembly and the first support arm second end is connected to a step of the plurality of steps positioned closest to the guide block assembly; and
f. a second support arm having a first end and a second end, wherein the second support arm first end is attached to the step positioned closest to the guide block assembly and the second support arm second end is attached to a next step of the plurality of steps positioned along the main support I-beam; and wherein the step positioned closest to the guide block assembly as and the next step positioned along the main support I-beam are automatically rotated from the storage position to the use position when the main support L-beam is pivoted downward about the guide block assembly.