Adhering substance peeling apparatus
AssigneeOppama Kogyo Kabushiki Kaisha
InventorsNorio Kawai, Yoshiki Kitamura
Life of this patent
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Abstract
An adhering substance peeling apparatus provided with a vertically reciprocating scraping blade at the lower end of an operating rod of a proper length so that chewing gum, dirt and other adhering substances adhering to the ground surface or the like may be peeled off while the worker is standing upright.
Claims1
A mechanical scraper for removing objects adhered to a floor surface comprising an elongated portable hollow housing manipulatable by the user, a prime mover mounted within said housing, a cam rotatably connected to said prime mover and having a concavo-convex cam surface, a freely axially movable support rod mounted in said housing having an inner end facing said concavo-convex cam surface and a scraper blade fixed at its outer end and normally extending outwardly of said housing and retractable into said housing on engagement with said floor surface, the inner end of said support rod having a conical recess concentric with the axis of said supporting rod in which is received a freely movable ball, said ball engaging the concavo-convex cam surface when said supporting rod is retracted into said housing to cause said support rod to move with a predetermined axial stroke with a minimum of friction.
Dependencies are inferred from the claim text.