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Step Band

Assembly

Endless band of steps coupled to a pair of step chains; the chains wrap terminal sprockets top and bottom, and the steps run on fixed guide tracks that fold the treads flat at the landings.

Direct parts	4
Class	Assembly

Endless band of steps coupled to a pair of step chains; the chains wrap terminal sprockets top and bottom, and the steps run on fixed guide tracks that fold the treads flat at the landings. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Bill of materials for Step Band

4 top-level lines as of r59006

#	Item / sub-assembly	Part no.	Qty/assy	Ext. qty	Parts	Type
1	Step 6 parts	escalator-step	100×	100	0	assembly
2	Step Chain 2 parts	escalator-step-chain	2×	2	0	assembly
3	Terminal Sprocket	escalator-terminal-sprocket	2×	2	·	part
4	Step Guide Track	escalator-step-guide-track	4×	4	·	part