Abstract: A hand-held suction dredge and metal detctor is supported on a vertically held hollow pipe. A metal detector having a central aperture is slidably supported on the pipe with the lower pipe end extending therethrough for receiving and transmitting at least partially fluid material. A spring urges the metal detector toward an initial position at the lower end of said pipe. A fluid jet is positioned in the pipe directed upward therein. A pump supported on the pipe and connected to the fluid jet circulate fluid to create a sucton in the pipe to draw at least partially fluid material through the pipe to discharge the same from the upper end thereof. A perforate basket on the upper end of the pipe has openings sized to permit discharge of fluid material and retain larger metal solids therein. The pipe, in use, supports the metal detector adjacent to a region being investigated for dredging material by operation of the pump. A motor supported on the pipe operates the pump.

Abstract: Apparatus for cutting and chipping trees and brush includes a housing telescopically received at the end of a hollow rectangular boom or secured onto the existing boom of a vehicle and for contacting tree limbs or brush to be cut and chipped. The housing has a cutting member at the front portion extending outwardly for cutting trees or brush and feeds the cut material into a chipper. The rear of the housing forms a rectangular duct and a pair of alignment guides extend angularly outward from the front portion to receive the trunk of the tree being cut. A pair of cable guides extend between the top of the housing to the front of the alignment guides to divert power lines or cables and prevent them from being cut. The chipper reduces the cut material to chip size for passage through the duct. A blower moves chipped materials rearwardly through the duct portion. A nozzle on the underside of the housing discharges fluid onto the remaining cut materials to seal the cut portion.

Abstract: A metal detector assembly consisting of a metal detector box component and a supporting shaft has a spring-loaded hinge-support interconnecting the box component and the head shaft component. The hinge-support comprises a frame attachment member and a pivotally connected shaft attachment member. A coiled spring surrounds the pivot connection and is biased between shoulders on each of the two members to permit a flexing action and cause a desirable smooth horizontal arcuate swinging action of the head component of the metal detector. The device exaggerates a slight wrist movement initiated by the user and continues to swing as the user walks about thereby reducing arm fatigue and facilitating a more efficient and reliable sweeping action of the metal detector head. Alternatively, the device may further contain a spring-loaded detent mechanism in the pivot connection to optionally hold the shaft in a rigid relation to the hand held box component when desired.