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A portable partition for use in an automobile having a seat with a seat bench and a seat backrest.
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| Number | Title | Issue Date |
| 7392866 | Roof drilling system improvements The invention is embodied in a heavy duty drill bit for hard/soft rock drilling comprising a high fatigue-resistant, high alloy steel bit body having a PCD cutter member and an enlarged shank portion constructed to accommodate torsional forces at high thrust pressur... | 07/01/2008 |
| 6932170 | Drilling head A drilling head (1) is disclosed, in particular for introduction into pipelines, with a rear connector piece (2) and a forward cutting body (3) of the size of the diameter, comprising cutting ribs (4), extending in the advancing direction... | 08/23/2005 |
| 6454029 | Rotary boring bit and borer The invention concerns a rotary boring bit, typically for coal drilling applications. The bit (10) of the invention is in the form of a hardmetal blade and includes a cutting edge (18) having an outwardly projecting gable shaped cutting formation on eithe... | 09/24/2002 |
| 6227317 | Garden auger having wings and cutters A garden auger having an auger blade with a substantially rectangular body section for use with a drill motor. The preferred auger body including toed-in wings for rapidly clearing earth from the created hole and cutters formed at one end of the auger bla... | 05/08/2001 |
| 5647448 | Drill bit having a plurality of teeth A drill bit for placement on a trenchless drill, the drill bit having a substantially rectangular construction, opposed side edges, a front end edge angularly related to the side edges, and a back end edge opposite the front end edge, opposed faces, with ... | 07/15/1997 |
| 5303787 | Rotary mining tools A non-coring rotary mining tool having a bit body constructed and arranged for rock boring as in roof bolting operations, and including PCD cutter inserts of preselected size mounted at a negative angle and having substantially continuous cutting edges de... | 04/19/1994 |
| 5180022 | Rotary mining tools A rotary mining tool having a steel body adapted to be driven axially and turned in a rotational arc relative to its axis and being provided with a hardened wear surface with a cutting edge adapted for cutting engagement with a work area under the axial t... | 01/19/1993 |
| 5103922 | Fishtail expendable diamond drag bit A fishtail type drag bit is disclosed consisting of multiple blades, each blade forming radially disposed grooves. Each groove contains equidistantly spaced diamond cutters along its length. The cutters are additionally oriented at a negative rake angle w... | 04/14/1992 |
| 4986373 | Post hole digger A post hole digger and a method of implanting a post in the ground. A boring implement having a piercing free end and also having an attachment flange is secured to an end portion of a post to be implanted in the ground. The implement has a tapered body s... | 01/22/1991 |
| 4813500 | Expendable diamond drag bit A fishtail type drag bit having abradable cutter blades attached to a body of the bit is disclosed. A multiplicity of axially aligned tubes are welded together to form a blade each blade being sustantially parallel with an axis of the bit body. Each tube ... | 03/21/1989 |
| 4776241 | Cutting tool A cutting tool comprising a shank having a substantially diametrical cut through one end of the shank and having the diametrically opposed limbs formed by such a cut bent radially outwardly from the axis of the shank. Cutting blades are secured to the fla... | 10/11/1988 |
| 4712952 | Drill for generating of holes in a work piece The invention relates to a drill for generating of holes in a work piece, preferably in a composite material. The drill comprises a cylindrical shank portion, two cutting portions projecting in the axial and radial direction of the drill and two chip gull... | 12/15/1987 |
| 4320925 | Dredge cutterhead tooth A rock cutting tooth assembly for a dredge cutterhead in which each tooth has a cutting edge formed by the intersection of a cutting face substantially lengthwise with the tooth and a flank substantially transverse to the tooth, the cutting face lying in ... | 03/23/1982 |
| 4252202 | Drill bit A drill bit consisting of a tubular, main body member having a set of threads at one end thereof connectable to a drill stem and an annular mounting edge on an opposite end thereof, the mounting edge having a plurality of circumferentially spaced, longitu... | 02/24/1981 |
| 4074780 | Earth auger An earth auger having an integral or one piece cutting blade and pilot element so arranged that the pilot element is spaced downwardly from the shaft of the auger; the cutting blade also having a curved edge swept back from the axis of the auger to provid... | 02/21/1978 |
| 3960218 | Grass-clearing device for lawn-sprinkler heads A grass-clearing device for lawn sprinkler heads, wherein the grass and sod surrounding the in-line, sprinkler head is to be trimmed therefrom, to provide an unobstructed flow of water from the sprinkler head. The device comprises a pair of adjustable, cu... | 06/01/1976 |
