Bizarre Patents
Decorative Jeweled Wheel Cover
An improved wheel is provided wherein decorative items such as gem stones are embedded in either the wheel surface, a special mounting section attached to the wheel surface, or to a spoke strap that wraps around each spoke and positions embedded gem stones on the outside surface of the spoke.
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| Number | Title | Issue Date |
| 7357605 | Pilot drill with coupon retainer and hot tapping machine using the same Pilot drill with coupon retainer and hot tapping machine using the same that positively retains a coupon cut out by a hole saw. The pilot drill bit has a shank having a driving end for attachment to a drill driver and a cutting end having a cutting edge thereon, the... | 04/15/2008 |
| 7264428 | Hole saw and cutter A hole saw cap for a hole cutter, the cap includes a plate defining a substantially circular peripheral groove and an annular shelf extending radially outwardly from the peripheral groove, the peripheral groove has a recess and a threaded hole extending through a ce... | 09/04/2007 |
| 7246975 | Hole saw with replaceable cutting tip A device for cutting a hole, such as in sheet metal is provided. The device includes an axially rotatably cylindrical body that is operable with a rotatable drive. A distal end portion of the body includes a replaceable cutting tip and a replaceable pilot. The cutti... | 07/24/2007 |
| 7175372 | Quick release arbor An arbor system includes an arbor, a clamp body of a power tool, a tightening feature and an optional snap feature. The arbor has a flanging feature, a thread and a number of circumferentially arranged driving pins. The clamp body is sandwiched between the arbor and... | 02/13/2007 |
| 7160064 | Hole saw slug removal device The hole saw slug removal device is a device constructed to fit within a hole saw that provides for automatic ejection of waste slugs from within the hole saw. The hole saw slug removal device generally consists of two discs affixed on either end of a compression sp... | 01/09/2007 |
| 6890132 | Bolt on drive assembly for a core drill A bolt on drive assembly for a core drill which utilizes a spoked reinforcer mounted between a pair of discs. The discs are removably mounted on the tube by bolt fasteners. A drive connection is removably mounted and centrally located on a outer disc of the pair of ... | 05/10/2005 |
| 6409436 | Plug ejecting hole saw with twist-locking interchangeable saw cups A plug ejecting hole saw includes a cylindrical saw cup provided with front cutting teeth, and an end wall having therethrough a non-circular concentric aperture; and an arbor holder removably attachable to a saw cup that includes a collar slidably holdin... | 06/25/2002 |
| 6357972 | Tool and method for cutting holes in film A cutting tool for locating an axis in a first member and cutting a sized hole in a second member overlying the first member. The cutting tool includes a base assembly and a cutter assembly which may be used independently of the base assembly. The cutter ... | 03/19/2002 |
| 6125593 | Self-piercing gutter outlet A self-piercing gutter outlet for connecting a downspout to a gutter. The self-piercing gutter outlet includes a tubular sleeve having open top and bottom ends. An outwardly radiating upper flange is extended around the sleeve at the top end of the sleeve... | 10/03/2000 |
| 6123490 | Apparatus for machining round holes A trepanning tool for making holes having a plurality of tool insert holders with pockets wherein replaceable carbide tool inserts are secured by retaining screws, the inserts being positioned so that alternate tool inserts cut overlapping inner and outer... | 09/26/2000 |
| 6120221 | Holesaw A holesaw includes an arbor for supporting a pilot drill and a bell-shaped sawblade. The sawblade is attached to a lower threaded portion of the arbor. A pin support with at least one pin engages the top of the holesaw blade and is axially movable but not... | 09/19/2000 |
| 6015248 | Wood corer device A wood coring drill bit comprising a hollow tube having an internal bore (103) and an exterior (100) with equally spaced bodies (10) of substantially uniform width extending in a helical manner from a cutting end (10) of said drill bit, said bodies (10) d... | 01/18/2000 |
| 5988956 | Hole cutter A hole cutter having a body provided with first and second types of cutting teeth. The cutter facilitates the discharge of cutting chips during machining of a workpiece. The tooth depth of the left and right sections of each of the second type of teeth is... | 11/23/1999 |
| 5979042 | Printed wiring assembly rework tool A printed wiring assembly rework tool and method which eliminates the need to remove a component from the printed wiring assembly in order to isolate a component pin from one or more printed circuits in the printed wiring assembly. The rework tool is able... | 11/09/1999 |
| 5980168 | Hollow crown drill A crown drill including a hollow cylindrical carrier body, which is formed of two coaxially arranged tubes connected with each other, and a cutting member attached to the carrier body and projecting axially beyond the leading end of the carrier body.... | 11/09/1999 |
| 5967709 | Adaptor for rotating tools An adaptor for stable mounting of a rotating tool in a drilling machine is disclosed, said adaptor comprising a continuous shaft (1), provided in one end with means (2) for fastening in a drilling machine and in the other end with a thread (3) for mountin... | 10/19/1999 |
| 5944460 | Annular hole cutter The present invention discloses an annular hole cutter particularly useful for cutting railroad rails. Railroad rails are extremely hard and normally require drills or cutters which have carbide inserts. The present invention provides uniquely designed cu... | 08/31/1999 |
| 5934845 | Hole saw with modified pilot and plug biasing A hole saw includes a mandrel having a central pilot drill bit having a tapered shank to facilitate removal of the plug and an annular cutting saw blade. A helical spring is preferred coaxially mounted between the saw blade and the pilot. The spring biase... | 08/10/1999 |
| 5895178 | Large hole cutter A cutting tool having spaced elongate teeth. The tool facilitates 1) the removal of cut particles from the surface to be cut thereby enabling efficient cutting particularly of deeper holes; and, 2) the removal of the center cut out portion from the cuttin... | 04/20/1999 |
| 5868532 | Arbor for engaging a saw An arbor for a hole saw includes a shaft and a plurality of pins having either bearing surfaces, drive portions or both for engaging the hole saw. The arbor further includes a fixed position flange and a locking plate located above the flange, to which th... | 02/09/1999 |
| 5810524 | Plug cutter with radial relief A plug cutter has a main body portion having a longitudinal axis, shank portion extending axially from one end of the main body, and a plurality of blades extending axially from an opposite end of the main body. The blades are formed so that at least a po... | 09/22/1998 |
| 5803677 | Hole saw A hole saw comprises a cup with two cutting teeth positioned on the open end of the cup. The two cutting teeth are substantially diametrically opposed to one another to provide a balanced cutting engagement of the media and are spaced apart by a chord len... | 09/08/1998 |
| 5791837 | Annular tool for cutting holes in metal A tool for cutting holes in metal provides a shank defining at one end an arbor releasably carrying a circularly annular cutter that defines teeth at each cutter end which may be sequentially used to extend cutter life without sharpening. The annular cutt... | 08/11/1998 |
| 5697935 | Device and method for removing fastening implements from bone A device for removing embedded or broken fastening implements from bone, comprises a cylindrical drill bit with a cavity extending internally from a distal end of the bit. The distal end further defines a cutting surface disposed about the opening to the ... | 12/16/1997 |
| 5676501 | Drill bit tube A drill bit includes a one-piece cylindrical drill bit tube having a longitudinal axis and defining cylindrical surfaces including an inner cylindrical surface and an outer cylindrical surface. At least one of the cylindrical surfaces is configured to inc... | 10/14/1997 |
| 5651646 | Hole saw with wood removal feature A hole saw with wood removal feature comprised of a drill portion having a cylindrical engagement portion secured thereto. The cylindrical engagement portion has two projections on a lower surface thereof. The device includes a cylindrical hole saw portio... | 07/29/1997 |
| 5639193 | Cylindrical cutter A cylindrical cutter for use with a power drill including a base, a cylindrical wall extending from the base, a plurality of cutting teeth, and a plurality of raker teeth with one raker tooth positioned adjacent a cutting tooth.... | 06/17/1997 |
| 5624213 | Hole producing assembly A hole producing assembly for a power drill including an adapter having one end operationally connected to the power drill such that the power drill rotates the adapter about an axis of rotation, the other end of the adapter includes a threaded shaft havi... | 04/29/1997 |
| 5597274 | Hole cutter A hole cutter (10) suitable for quickly cutting relatively large holes through wood, fiberboard, drywall and similar nonmetallic construction materials has a tubular member (16) attached to a back plate (14). The back plate includes attaching holes (22, 2... | 01/28/1997 |
| 5569002 | Hollow annular drill bit with hollow cylindrical carrier member A hollow annular drill bit is formed of an axially extending hollow cylindrical carrier member (1) and cutter members (2). The cutter members (2) are secured in recesses (1c) in the carrier member, so that they project axially from and radially inwardly a... | 10/29/1996 |
| 5417526 | Hollow crown drill with end face cutting members A hollow crown drill has a set of cutting members (2, 3, 4) positioned on the leading or cutting end of an annular axially extending carrier member (1). The radial width of the cutting faces (2a, 3a, 4a) of the cutting members (2, 3, 4) increases opposite... | 05/23/1995 |
| 5415504 | Nest drill tube Rigid foam material, for example, expanded polystyrene foam, is drilled using a bit that forms an annular slit in the foam material and compresses the block temporarily around the slit. This frees the core for ready removal. The drill bit has a cutting ti... | 05/16/1995 |
| 5360300 | Cutter shell A cutter shell for cutting a circular opening in a metal object formed of a unitary metallic member having a tubular boring portion and an inverted dish shaped head portion. The boring portion has a tubular sidewall and teeth at the forward circumferentia... | 11/01/1994 |
| 5352071 | Hole saw arbor with retaining mechanism A retaining collar assembly for use with a hole saw arbor assembly. The arbor assembly includes a shaft, a hole saw attached to the shaft, a drive collar retained on the shaft for engaging the hole saw and a spring retained on the shaft. The retaining col... | 10/04/1994 |
| 5246318 | Annular hole cutter A tipped annular hole cutter is made by brazing all the cutting tips (30) simultaneously to the cylindrical wall (12) of the cutter body. The tips (30) have outer and inner lands (32, 34) which locate against the outer and inner surfaces (52, 54) of the c... | 09/21/1993 |
| 5240357 | Annular hole cutter An improved annular hole cutter is disclosed that has a plurality of alternately arranged first and second cutting teeth positioned at substantially equally spaced intervals about the distal end of the cutter body. All of the cutting teeth having angled b... | 08/31/1993 |
| 5217334 | Annular hole cutter An annular hole cutter has a radially inner cutting tooth portion and a radially outer cutting tooth portion. Each of the inner and outer cutting tooth portions is formed with a flute for ejecting cut chips on the outer periphery of the cutter, and a cutt... | 06/08/1993 |
| 5171111 | Drilling tool A drilling tool comprises a holder unit adapted to be detachably mounted to a hand-held drive unit, and a hole saw unit detachably mounted to the holder unit, the hole saw unit including, as a unit, a cylindrical cutter and a center pin, the holder unit i... | 12/15/1992 |
| 5167475 | Core drill This disclosure relates to a drill including a base having a shank and a tubular core body provided with hole-cutting blades at the peripheral edges of both openings, which are coupled together via a coupling ring between the base and the end of one of th... | 12/01/1992 |
| 5096341 | Hole saw and drive A hole saw and drive includes a cup-shaped saw body having a closed end and a plurality of cutting teeth. A left-hand threaded collar is secured to the closed end and defines one or more drive tabs extending into the saw body interior. A left-hand threade... | 03/17/1992 |
