Extension trestle ladder

Details Extension trestle ladder Extension trestle ladder

E - Fixed Constructions

04

G

228/5

E04G 1/30 (2006.01) E06C 1/12 (2006.01) E06C 1/22 (2006.01) E06C 1/39 (2006.01)

Patent

CA 1123799

EXTENSION TRESTLE LADDER ABSTRACT A device for automatically locking the fly assembly of an extension trestle ladder in an extended or lowered adjust- ment position. The fly assembly is supported to prevent down ward movement by a displaceable member which abuts a rung on the fly assembly along a portion of the length of the rung, which member is spring biased for automatic return to locking position.

340074

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