Conveyors: power-driven – Conveyor having impinging fluid to feed – shift or discharge... – Having cleaning means
Patent
1997-11-10
1999-11-02
Terrell, William E.
Conveyors: power-driven
Conveyor having impinging fluid to feed, shift or discharge...
Having cleaning means
198497, B65G 4500
Patent
active
059752815
ABSTRACT:
A scraper constituting a blade which is yieldingly deformable in such a manner as to be curved from a linear state to an arch shape is held by a holding groove of a holder. The holding groove of the holder is formed by a substantially parallel rail like holding groove which is gradually apart from an axis extending to a transverse direction of the belt as the holding wall goes from both ends of the belt to a central portion thereof. The scraper comprises a leg portion inserted into the holding groove of the holder, an extended standing portion projecting from the holding groove so as to be in contact with the surface of the belt and a head portion formed by thickening a thickness of said extended standing portion more than a thickness of the leg portion toward a returning direction of the belt, in which a jaw portion projecting beyond a side surface of the leg portion is formed by a lower portion of said head portion. Accordingly, the jaw portion covers over a top end of one of the rail like holding walls of the holder in a state that the leg portion of the scraper is inserted into the holding groove of the holder.
REFERENCES:
patent: 3841470 (1974-10-01), Meguro
patent: 4836356 (1989-06-01), Mukai et al.
patent: 4953689 (1990-09-01), Peterson et al.
patent: 5197587 (1993-03-01), Malmberg
patent: 5310042 (1994-05-01), Veenhof
patent: 5339947 (1994-08-01), Campanile
patent: 5573102 (1996-11-01), Punchalla
Atari Yasuhiro
Yoshizako Kageyoshi
Nippon Tsusho Kabushiki Kaisha
Safran David S.
Terrell William E.
Tran Khoi H.
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