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Title: Fluid intake openings for a suction dredger

Abstract: A dredging apparatus is afforded having the improvements of a wedge-shaped dredge foot housing both a fluid opening and a filter member, the intake opening being located on the underside of the dredge foot and the filter member being located above the fluid intake opening so as to be placed between the intake and the suction conduit, the taper of the wedge foot being toward its forward edge and its underside being substantially planar. Also afforded is providing the lower end of the dredge housing with a forwardly directed lever means comprising a lever member capable of being reciprocally moved in order to effect the levering of large objects, thus enabling the location of the intake opening below such objects.


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Inventors: Howard, George A. (453 Waimea Rd., Nelson, NZ)

Application Number: 06/201240
Filing Date: 1980-10-27
Publication_date: 1983-08-23
Assignee: Howard, George A. (NZ)

Primary Class(es): 37/318 209/308, 299/8, 209/337, 209/250
Other Classes: B01D29/03; B01D29/09; B01D33/04; E02F3/92; E02F7/06; F04D29/70; B01D29/01; E02F3/88; E02F7/00; F04D29/00; E02F3/
US Patent Ref:
0247462September, 1881Johnson209/337
0746089December, 1903Jessup209/307
0748804January, 1904Smyth et al.37/60
1028387June, 1912Roberson37/57
1055371March, 1913Thorp et al.37/57
1270142June, 1918Gage, Sr.299/8
1394693October, 1921Swintek37/57
1426616August, 1922Swintek209/308
1492817May, 1924Swintek37/57Traveling-screen suction nozzle
1584277May, 1926Dec299/8Gold dredge
1731838October, 1929Andersen37/60Dredge and the like
1739326December, 1929Posselt299/9Gold dredge
2643471June, 1953Ragsdale37/58Suction dredge nozzle
2894340July, 1959Thale37/55Oyster digger
2929507March, 1960Komline209/308Self-cleaning filter

Other Refs: CA971580DE2311315GB239458
July, 197537/58
September, 1974209/307
September, 192537/58

Primary Examiner: Crowder, Clifford D.
Assistant Examiner:
Attorney: Holman & Stern
Claims:
I claim: