초록 ▼

This disclosure relates to a security device for a ladder, in particular for preventing unauthorised use of a ladder on scaffolding. Accordingly there is provided a security device for securing a longitudinal member such as a scaffolding board to a ladder to prevent use thereof, which device compris

This disclosure relates to a security device for a ladder, in particular for preventing unauthorised use of a ladder on scaffolding. Accordingly there is provided a security device for securing a longitudinal member such as a scaffolding board to a ladder to prevent use thereof, which device comprises strap means for holding the longitudinal member and ladder engaging means for said strap means, wherein said engaging means comprises tightening means for clamping said strap means against said ladder whereby said longitudinal member may be held against removal from the ladder and locking means adapted to permit locking of the tightening means.

대표청구항 ▼

[ I claim:] [1.] A security device for securing a scaffolding board to a ladder to prevent unauthorized use of the ladder, which ladder comprises first and second uprights spaced apart by a plurality of rungs, the security device comprising:(a) strap means adapted to lay transversely across the scaf

[ I claim:] [1.] A security device for securing a scaffolding board to a ladder to prevent unauthorized use of the ladder, which ladder comprises first and second uprights spaced apart by a plurality of rungs, the security device comprising:(a) strap means adapted to lay transversely across the scaffolding board when the scaffolding board is longitudinally aligned with the ladder and is juxtaposed the rungs of the ladder;(b) ladder engaging means for attaching the strap means to the ladder;(c) tightening means for the ladder engaging means, which tightening means is operable to cause said strap means to clamp said scaffolding board against said ladder whereby said scaffolding board may be held against removal from the ladder; and(d) locking means adapted to permit locking of the tightening means in a clamped position in which said scaffolding board is clamped against the ladder.