Locking device for bidirectionally foldable step ladders

Details Locking device for bidirectionally foldable step ladders Locking device for bidirectionally foldable step ladders

E - Fixed Constructions

06

C

E06C 1/393 (2006.01) E06C 1/383 (2006.01) E06C 7/00 (2006.01)

Patent

CA 2068405

A locking device for preventing bidirectionally foldable step ladders from folding when in an unfolded position, the step ladders being the type including two pairs of U-shaped side rails and a plurality of foldable steps linked by braces to a plate slidably received within respective side rails. The locking device is pivotally attached within a side rail and co-operates with a bracket fixed to the plate to prevent the plate from moving upward when the step ladder is unfolded.

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