Bizarre Patents
User-operated amusement apparatus for kicking the user's buttocks
An apparatus including a user-operated and controlled apparatus for self-infliction of repetitive blows to the user's buttocks by a plurality of elongated arms bearing flexible extensions that rotate under the user's control.
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| Number | Title | Issue Date |
| 4274496 | Method and device in earth cutting A bore head for reaming a pre-drilled hole in raise boring or for similar earth cutting operations comprising at least two sets of roller cutters. The roller cutters in the same set of cutters have the same number of rows of cutting means. The roller cutt... | 06/23/1981 |
| 4270618 | Earth boring apparatus Large hole boring equipment is used for boring a large diameter blind pilot hole. Then such equipment is removed from the hole and a room is blasted at the closed or blind end of the hole. Then the large hole cutterhead is replaced by a reamer and the equ... | 06/02/1981 |
| 4256188 | Method and apparatus for drilling a hole in a body of ice and for the destruction of a body of ice A method and apparatus for drilling a hole in a body of ice and for destroying a body of ice. The method comprises the steps of providing a source of reactant gas of a type which will react chemically with ice to form solid compounds which are unstable an... | 03/17/1981 |
| 4252201 | Drilling method and apparatus A drill having plural forwardly projecting circumferentially spaced cutting bits includes a hydraulic motor operated at full drilling fluid pressure to drive the cutting bits in unison through a first one-way clutch in a drilling mode. A centrifugal devic... | 02/24/1981 |
| 4248312 | Method and apparatus for upwardly cutting full cutting face of a shaft without requesting workmen's hands There is provided a method and apparatus for upwardly excavating a shaft through destructible underground rock. The cutting operation is carried out by full face boring without relying on blasting. An operation for supporting the shaft side wall is carrie... | 02/03/1981 |
| 4246974 | Offset drilling machine Apparatus for drilling a pier hole under the ledge of a building foundation to permit lifting the foundation for relevelling of the building, the apparatus having an adjustable drill support frame to drill downwardly. A transmission and drill bit dependin... | 01/27/1981 |
| 4241798 | Drilling bits for plastic formations Drilling bits are disclosed which are particularly efficient drilling devices when used in soft plastic underground formations which normally are difficult or impossible to drill with conventional drilling bits. The bits of this invention are characterize... | 12/30/1980 |
| 4205362 | Apparatus for moving along or through a material A two-part pile or probe device in which the parts can be moved relative to one another by a jacking mechanism. In operation, one of the two parts is made anodic to grip the material in which the device is to be moved, the other is made cathodic to encour... | 05/27/1980 |
| 4194579 | Drilling apparatus and method A drilling apparatus including improved means for drill string manipulation for effecting an improved method of drill steel breakout and disassembly. This is a continuation, division, of application Ser. No. 712,622, filed Aug. 9, 1976.... | 03/25/1980 |
| 4190112 | Pump down wipe plug and cementing/drilling process An improved pump down wipe plug has at least one tooth protruding from its bottom surface capable of engaging, denting and penetrating the surface on which the plug comes in contact within the well. An improved process of cementing and drilling through a ... | 02/26/1980 |
| 4179001 | Underground drilling and casing method and apparatus In an underground mine, a machine for drilling upwardly is placed in one tunnel of the mine and is used to drill a vertical shaft communicating with another tunnel at a higher elevation. The machine is operated so as to install a liner or casing in the sh... | 12/18/1979 |
| 4154310 | Method and equipment for drilling wells This disclosure relates to apparatus for drilling wells for oil, gas, water, etc., wherein the device for drilling is placed in a rigid cylindrical collar which is expanded and pressed in the walls of the well. The collar absorbs a reactive torque from dr... | 05/15/1979 |
| 4154311 | Drilling assembly A drilling assembly includes a drilling tool having a shank and a drill bit at the leading end of the shank and having cutting edges. The assembly further includes a collar adjustably and arrestably mounted on the shank, and an abutment member having a ce... | 05/15/1979 |
| 4153120 | Change in length of drill string while instrument remains therein A hole in the earth is formed utilizing a drill string containing an instrument connected by a flexible conductive line to a unit at the surface of the earth. During intervals when the length of the drill string is being changed, as by addition of another... | 05/08/1979 |
| 4149604 | Mining equipment A method of drilling shot firing holes in the face of a roadway or tunnel by means of a bucket loader on which is displaceably mounted a drilling mast which carries a slidable drill head, with power unit to displace the drill head with respect to the mast... | 04/17/1979 |
| 4141225 | Articulated, flexible shaft assembly with axially lockable universal joint An articulated shaft assembly particularly useful in forming a flexible drill for drilling vertical holes in a mine shaft roof employs interengaging shaft sections whose opposed ends form a ball and socket mating surface connection with a plurality of dri... | 02/27/1979 |
| 4135586 | Apparatus for constantly rotating casing during installation An inclined drill rig is disclosed with attached rotatable power tongs for use in practicing a process for the installation of underground casing. The underground casing is usually installed coaxially to a pilot string disposed about an invert arcuate und... | 01/23/1979 |
| 4133396 | Drilling and casing landing apparatus and method Casing is run into a well bore hole on a running pipe string. Fluid motor and drill apparatus is supported in the casing, with the drill extending below the lower end of the casing to drill the bore hole in advance of the casing. For subsea drilling opera... | 01/09/1979 |
| 4098342 | Method and apparatus for maintaining electric cable inside drill pipe An insulated electric conductor employed in a tubular drill string to transmit electric energy between subsurface and surface locations is arranged within the drill string in a convoluted configuration to provide an excess length of conductor. The convolu... | 07/04/1978 |
| 4069879 | Pipe handler Disclosed are apparatus for manipulating pipe members in operating on a well, including a frame that is movable along the floor of the drilling derrick and which is equipped with a clamp for guiding pipe members toward and away from the well bore, guides ... | 01/24/1978 |
| 4062412 | Flexible shaft drilling system In an apparatus for drilling long holes in the surface of a rock bed for installation of roof bolts where the working distance perpendicular to the surface is limited, a flexible, segmented shaft drill string is fed along a curved path to a mechanism posi... | 12/13/1977 |
| 4019590 | Method of roof drilling An assembly for drilling a hole in a roof to a greater depth than the height of the chamber therebelow includes a starter-driver bar having a first end adapted to be driven by a motor and a second end having a female socket therein, a rod extension includ... | 04/26/1977 |
| 3983946 | Automatically repositionable rotary platform, and method A derrick-type augur drill machine mounted on a carrier, including a rotary platform having both a memory device and an automatic latching means associated with the memory device, the memory means being operable for storing information indicating a select... | 10/05/1976 |
| 3965995 | Machine for boring a large diameter blind hole A cutter wheel is mounted at the lower end of the machine for rotation about a horizontal tubular support. Cuttings are picked up by buckets on the cutter wheel and are directed into the tubular support to be received by an endless bucket conveyor which c... | 06/29/1976 |
| 3965996 | Means and method of drilling wells A means and method of drilling wells wherein the casing and tubing string are rotated with minimum interruption and are moved downwardly simultaneously. A bit assembly, capable of cutting a bore larger than the casing, is lowered and raised through the dr... | 06/29/1976 |
| 3961671 | Earth anchor drive process A medium duty earth anchor of the type having one or two single turn helixes near the lower end of a rod is driven into the earth by means of a hand-held drive tool having a vertical quarter horsepower split phase motor, a step-down gear train which reduc... | 06/08/1976 |
| 3958639 | Method of drilling an oil well to recover casings The present disclosure is directed to a method of drilling an oil well so that the large diameter casing initially employed can be salvaged and reused which is attainable by effecting a temporary seal between the bore hole and casing so that a dual functi... | 05/25/1976 |
