Portable screening machine

Classifying – separating – and assorting solids – Sifting – Feeding and discharging

Reexamination Certificate

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Details

C209S288000, C209S420000, C209S930000, C198S313000, C198S317000, C198S318000

Reexamination Certificate

active

10747376

ABSTRACT:
A portable screening trommel having a chassis, at least one wheel assembly at a rear portion of the chassis, a hopper for receiving a material, a rotary trommel being chain driven at a discharge end and which receives the material from a feed conveyor beneath the hopper, a first product conveyor extending from a rearward end of the chassis to a forward end and feeding a rotatable stacking conveyor, and a second product conveyor receiving material from within the trommel and being rotatable between an operating position and a traveling position. The stacking conveyor is positioned at the forward end of the chassis and is rotatable between a first operating position and a second traveling position.

REFERENCES:
patent: 2609115 (1952-09-01), Oklejas
patent: 3884346 (1975-05-01), O'Neill et al.
patent: 4031976 (1977-06-01), Lambert
patent: 4058198 (1977-11-01), O'Neill et al.
patent: 4063375 (1977-12-01), Satterwhite
patent: 4206840 (1980-06-01), Hanson
patent: 4303506 (1981-12-01), Finlay
patent: 4512687 (1985-04-01), Enns
patent: 4624357 (1986-11-01), Oury et al.
patent: 4983280 (1991-01-01), Eriksson
patent: 4997135 (1991-03-01), Zehr
patent: 5193971 (1993-03-01), Pettijohn
patent: 5234564 (1993-08-01), Smith
patent: 5248042 (1993-09-01), Kuhmonen
patent: 5285905 (1994-02-01), Laprade
patent: 5332052 (1994-07-01), Carnevale
patent: 5333725 (1994-08-01), Douglas
patent: 5474816 (1995-12-01), Fulghum, Jr. et al.
patent: 5577618 (1996-11-01), Rafferty
patent: 5749452 (1998-05-01), Kanenwischer
patent: 5819950 (1998-10-01), McCloskey
patent: 6290153 (2001-09-01), Prox
patent: 6360876 (2002-03-01), Nohl et al.
patent: 6360894 (2002-03-01), Devlin et al.
patent: 6543622 (2003-04-01), Fridman
patent: 6910586 (2005-06-01), McCloskey
patent: 2002/0195310 (2002-12-01), Lischynski et al.
patent: 2094518 (1997-10-01), None
patent: 2175559 (1986-12-01), None
patent: 2200613 (1988-08-01), None
Wildcat MFG. Co., Inc., Sales Literature consisting of Drawings and Diagrams for Wildcat Trommel Screen Model RHC 6-160 Screening Plant, Mar. 1991, pp. 1, WC677, WC694, Wildcat Mfg. Co., Inc., USA.
Wildcat MFG. Co., Inc., Sales Literature consisting of Drawings and Diagrams for Wildcat Trommel Screen Model RHC 6-160 Screening Plant, Feb. 1991, p. WC680, Wildcat Mfg. Co., Inc., USA.
Wildcat MFG. Co., Inc., Sales Literature consisting of Drawings and Diagrams for Wildcat Trommel Screen Model RHC 6-160 Screening Plant, Apr. 1991, pp. WC677 and 207-218, Wildcat Mfg. Co. Inc., USA.
Wildcat MFG. Co., Inc., Sales Literature consisting of Drawings and Diagrams for Wildcat Trommel Screen Model RHC 6-160 Screening Plant, pp. WC658,WC661 and WC662, Jan. 1991, Wildcat Mfg. Co. Inc., USA.
Wildcat MFG. Co., Inc., Sales Literature consisting of Drawings and Diagrams for Wildcat Trommel Screen Model RHC 6-160 Screening Plant, p. WC1420, Aug. 1993, Wildcat Mfg. Co. Inc., US.
RE-TECH dated engineering drawing (May 25, 1994), Sales Literature from Re-Tech depicting trommel with two double folding conveyors, Photos of Eliminator Device built Jul. 1994 having seral No. 1R9TE472XRY216016, Figures 1-11, Re-Tech (a division Enviroquip Systems Inc.), USA.
RE-TECH dated engineering drawing (May 25, 1994), Sales Literature from Re-Tech depicting trommel with two double folding conveyors, Figure 12 is a Re-Tech drawing #E-32 depicting double-fold fines stacker option available before Apr. 5, 1995, Re-Tech (a division Enviroquip Systems Inc.), USA.
RE-TECH dated engineering drawing (May 25, 1994), Sales Literature from Re-Tech depicting trommel with two double folding conveyors, Figure 13 is Sales Literature published before Apr. 5, 1995 from Re-Tech depicting double-pivoting conveyors in stowed position, Re-Tech (a division Enviroquip Systems Inc.), USA.
Royer Industries Inc., Royer 616 MP advertisement, Biocycle Magazine, May 1991 p. 19-23, Figure 1-5, JG Press, Inc., USA.
Royer Industries Inc., Royer 616 MP advertisement, Biocycle Magazine, Feb. 1993, p. 6, Figure 6, JG Press, Inc., USA.
Royer Industries Inc., Royer 616 MP article, Biocycle Magazine, Mar. 1993, p. 47, Figure 7, JG Press, Inc., USA.
Royer Industries Inc., Royer 616 MP article, Biocycle Magazine, Sep. 1994, p. 50, Figure 8, JG Press, Inc., USA.
Royer Industries Inc., Sales Literature for Royer 616 MP depicting the folding feature of the conveyor, D 1402-2680, Figure 9, Royer Industries Inc, USA.
Diamond Z Manufacturing, Diamond Z Device advertisement, Biocycle Magazine, Apr. 1995, p. 14, Figure 1, JG Press, Inc., USA.
RE-TECH dated engineering drawing (Mar. 2, 1994) Figure 1 and Figure 2 as enlarged version, The Landscaper Device drawing L01, Re-Tech (a division of Enviroquip Systems Inc.) USA.
RE-TECH Sales Literature for the Roto-Screen depicting a plurality of screening devices which utilize stockpiling conveyors at the end of the chassis opposite the rotary trommel, located in U.S. Patent No. 5285905, Figures 3-8, Mar. 2, 1994, Re-Tech (a Division of Enviroquip Systems Inc.) USA.
Lekopa OY Sales Literature depiction the Remu Device which is used for screening materials, Figures 1-8, Lekopa OY, Finland.
The Trommel 615, Sales Literature and Drawings for Powerscreen Trommel 615 Specification.
Iowa Manufacturing Company (a Raytheon Company), Model 5348-VGF-FS Portable Impact Breaking with Front Swivel Conveyor, Cedarapids brochure, Section 17—Division 1—Form No. 13757-IMCO-10-73, Iowa Manufacturing Company (a Raytheon Company), USA.
Iowa Manufacturing Company (a Raytheon Company), Hydraulic Swivel Base Parts List No. 8085KAP, Cedarapids Parts Manual, Oct. 1990, p. XS76-159, Iowa Manufacturing Company {a Raytheon Company}, USA.
Iowa Manufacturing Company (a Raytheon Company), Components, Cedarapids Parts Manual, Jul. 1992, p. XS29E-1, Iowa Manufacturing Company (a Raytheon Company), USA.
Iowa Manufacturing Company (a Raytheon Company), Elevating System &Swivel Mounting, Cedarapids Parts Manual, Jul. 1992, p. XS29E-14, Iowa Manufacturing Company (a Raytheon Company), USA.
Iowa Manufacturing Company (a Raytheon Company), Elevating System &Swivel Mounting Part List No. 5400CD & 5400CF, Cedarapids Parts Manual, Jul. 1992, p. XS29E-14, Iowa Manufacturing Company (a Raytheon Company), USA.
Iowa Manufacturing Company (a Raytheon Company),Portable and Radial Stacking Conveyor Stockpile Tonnage, Cedarapids Parts Manual, Sales Manual Specification sheet, p. Section 5—Division 3—Form 125630IMCO-9-69, Iowa Manufacturing Company (a Raytheon Company), USA.

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