PROVISIONAL STEP

PROBLEM TO BE SOLVED: To provide a provisional step which does not cause fatigue of the operator's feet when he goes up and down the step, can be easily and safely, grasped generates no play in mounting, does not require any fastening and loosening operations of bolts at altitudes, and can prev...

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Bibliographische Detailangaben
1. Verfasser:	HIRAYAMA TAKAO
Format:	Patent
Sprache:	eng
Schlagworte:	BUILDING BUILDING IMPLEMENTS OR OTHER BUILDING AIDS, OR THEIRUSE DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL FIXED CONSTRUCTIONS FORMS HANDLING BUILDING MATERIALS ON THE SITE LADDERS REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTINGBUILDINGS SCAFFOLDING SHUTTERING
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a provisional step which does not cause fatigue of the operator's feet when he goes up and down the step, can be easily and safely, grasped generates no play in mounting, does not require any fastening and loosening operations of bolts at altitudes, and can prevent bolt and nut from falling. SOLUTION: This provisional step is composed of a stepping member 1 in the form of a square/rectangular frame made of rods, an inserting member 2 which is welded to the base end of the stepping member facing down, and a receiving member 6 which has a channel-shaped section, has a supporting surface for the inserting member 2, and is welded 7 to the outside surface of a column 10.