Hand held suction nozzle with metal detector

Details Hand held suction nozzle with metal detector Hand held suction nozzle with metal detector

1985-06-03

1986-11-18

Crowder, Clifford D.

Excavating

Peat excavators

37DIG19, 324326, E02F 388

Patent

active

046227660

ABSTRACT:
A device connecting a suction dredge to a metal detector search coil, providing a movable suction tube held perpendicular to the search coil, and centered approximately over the coil's area of maximum sensitivity, further allowing said suction tube to be moved down through the search coil to bring its inlet close enough to the detected object to draw it into the tube. The device may be constructed of standard plastic pipe and fittings of the plumbing type, electrical conduit, or any non-metallic substance such as might be used in commercial plastic production. Through the use of snap on/bolt design it is possible to quickly remove the device from the search coil and return the coil to its original configuration and mode of operation.

REFERENCES:
patent: 3930324 (1976-01-01), Wightman et al.
patent: 4289355 (1981-09-01), Rose
patent: 4300260 (1981-11-01), Hill
patent: 4352251 (1982-10-01), Sloan
patent: 4359686 (1982-11-01), Wherry
patent: 4423559 (1984-01-01), Malin
patent: 4476607 (1984-10-01), Ross

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