Knock-down workpiece-supporting standard and overspray shield

作者: Francis Lee Love

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摘要: A knock-down, collapsible, umbrella-type standard is used in spray painting doors, panels, boards or similar workpieces, and features a sectional post arranged for mounting between the floor ceiling of room to provide prop against which workpiece may be leaned supported during thereof, an outwardly radiating, skeletal frame detachably carried at upper end clamping relatively large area, protective sheet paper like protect it overspray arising operations.

参考文章(2)
Jones Jack, Lift for ceiling boards ,(1947)
Charles A Mcpherson, Wall material hoist ,(1943)