Bizarre Patents
Mouthguard made at least partially from an edible candy
A mouthguard includes a U-shaped upper bite plate which removably fits over upper teeth of a person, with the entire upper bite plate being made from a soft, deformable and edible gummi candy.
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| Number | Title | Issue Date |
| 8172489 | Machine tool, in particular for rim machining The present invention relates to a machine tool for machining of workpieces, having a workpiece support for mounting the workpiece, a tool holder, which can be moved at least along one axis, for holding a tool for machining the workpiece, and workpiece holding units... | 05/08/2012 |
| 7249918 | Cutting machine Cutting apparatus having a ram axis gear tube (32) equipped with internal threads engageable with external threads (48) of a main shaft (42). A tool can be fixed to the main shaft (42). The external threads (48) of the main shaft (... | 07/31/2007 |
| 7217230 | Apparatus for detecting position of drawbar in automatic tool change device Disclosed is an apparatus for detecting a position of a drawbar unit installed in a spindle unit. The apparatus is a part of an automatic tool exchange device for exchanging tools in the spindle unit of a machine tool. The apparatus transmits a signal to a main cont... | 05/15/2007 |
| 7192223 | Servo motor die tapping unit A servo motor driven tapping unit for in die installation has a tap holder pitch adapter assembly mounted for removal while the unit is in the die to facilitate tap and pitch adapter replacement. In one embodiment, the tap holder pitch adapter assembly extends trans... | 03/20/2007 |
| 7182002 | Screwdriver handle structure A screwdriver handle structure includes a handle having a storage compartment. The compartment comprises a number recesses to store screw heads therein. The handle is provided with a locator having a trough to receive an engaging device therein. The handle further c... | 02/27/2007 |
| 7008151 | Power driver having geared tool holder A power driver includes a motor and a spindle having a distal end thereof opposite the motor. The distal end has an axial bore formed therein. A gear assembly is disposed operatively between the motor and the spindle so that the motor rotationally drives the spindle... | 03/07/2006 |
| 6343900 | Two-speed pneumatic machine tool This pneumatic machine tool includes a driving shaft (14) driven in rotation by pneumatic drive means (12), a driven tool-carrier shaft (16), a gear mechanism (18) disposed between the driving shaft and the driven shaft to drive the latter, a set of senso... | 02/05/2002 |
| 5642969 | Portable machine tool A machine tool comprises a mounting member for attachment to a workpiece. The mounting member includes a bearing portion that has an external surface of circular cross section and is formed with an aperture in its external surface. A utility device has an... | 07/01/1997 |
| 5209616 | Drive in tapping attachments In self-reversing tapping attachments improved ball drive means are connectable to source of rotational drive and drive transmitting means are engagable, with the drive means including at least one driving ball member and with the drive transmitting means... | 05/11/1993 |
| 5207539 | Power feed mechanism for rotary cutting tool A rotary cutting tool is described which includes a motor for moving the tool vertically into a surface to be cut. The motor is connected to the tool by a clutch which is most preferably a ball clutch selectively engageable to transmit drive. The clutch f... | 05/04/1993 |
| 5131794 | Dog drive for tapping attachments A self-reversing tapping attachment employing dog drive includes driver means with at least one drive element for driving engagement with at least one dogging element on drive transmitting means, the dogging element and drive element being such that engag... | 07/21/1992 |
| 5090226 | Motor driven flaring device A motor driven flaring device in which a rotatable eccentric cone an apex of which defines a fixed center of rotation is pressed, while rotating, against an end of a pipe to be flared, including a body having a motor incorporated therein and having an out... | 02/25/1992 |
| 5035549 | Boring apparatus A boring apparatus wherein the size in the axial direction of the shaft of the manual handle horizontally supported can be made small-sized. A clutch is composed of spherical bodies, a cylindrical body having formed therein hole portions for receiving the... | 07/30/1991 |
| 5001827 | Turret punch press with a tapping function Disclosed is a turret punch press in which tap holder assemblies TA are incorporated into the press body through tool lifters. Each of the tap holder assemblies TA is composed of a tap holding mechanism, a tap feeding mechanism and a tabular workpiece cla... | 03/26/1991 |
| 4799833 | Clutch for positive feed drill The invention relates to a torque-limiting clutch for use in combination with a positive feed drill that has a reversible motor and reversible driving means. A preferred use of the clutch is in combination with a drill that has a reversible motor rapid ad... | 01/24/1989 |
| 4789274 | Boring apparatus A boring apparatus has a rotary member rotated by a motor, a transmission shaft transmitting its rotation to an electric drill by means of a rotation transmission mechanism for reciprocally moving the electric drill on the frame of the apparatus. The tran... | 12/06/1988 |
| 4626142 | Clutch for drilling machine A drilling machine operable by a single operator to tap into a pipeline includes an elongated boring bar to which a number of different tools such as drills and hole saws may be removably attached. The boring bar is positioned within a body tube allowing ... | 12/02/1986 |
| 4538942 | Positive feed drill with stop control A positive feed drill having a spindle drive gear train and a spindle feed gear train, coupled to the drive gear train by side teeth on respective drive and feed coupling gears mounted on a common shaft, is provided with a spring between the feed coupling... | 09/03/1985 |
| 4418767 | Interchangeable valve system for hydraulic reversal of positive feed drill In a positive feed power drill having a spindle drive gear train and a spindle feed gear train, and having hydraulic (air) means for actuating a piston to disengage the feed gear train for automatic retraction of the spindle, provision is made for field a... | 12/06/1983 |
| 4406566 | Line boring machine Dismountable machining apparatus for use at different work site locations, and having base means releasably attachable to a workpiece, and having a collar including an opening having a predetermined central axis and having attachment means, drive housing ... | 09/27/1983 |
| 4182588 | Positive feed drill A positive feed drill having an elongated spindle mounted for reversible longitudinal motion in a drill housing. The spindle has an hexagonal cross-section with the apices of the hexagon being threaded. A toothed drive gear having a hexagonal aperture cen... | 01/08/1980 |
| 4115026 | Lead screw tapping arrangement for use with self-opening die heads and collapsible taps Means for controlling the advance of a thread forming member include a unidirectionally driven constant speed spindle, with the spindle mounting a thread forming member. A lead screw and a nut threadedly mounted thereon have a thread in which the helix an... | 09/19/1978 |
| 4097177 | Power head drilling and turning unit A drilling and turning power head with an externally threaded spindle adapted to support and feed a tool. The spindle is supported in a cylindrical sleeve by means of bearings and is driven by pulleys and belts from a power axle coupled to a motor. An int... | 06/27/1978 |
| 4028763 | Tap holder A tap holder which is particularly adapted for use on a numerical-controlled machine is the subject matter herein. The tap holder includes an elongated shaft, which has a conventional tap collet on one end thereof. A tap holder body is rotatably and axial... | 06/14/1977 |
| 3998565 | Tapper incorporating reverse rotation mechanism Tapper comprising a rotatable tapper main body, a positive rotation transmitting element and a reverse rotation transmitting element disposed in the main body, a holder member disposed in a lower portion of the main body, a driven shaft for holding a tap ... | 12/21/1976 |
| 3989405 | Tool feeding device having signal control feed clutch A tool spindle is rotatably driven by a drive motor with the spindle being mounted axially movable in a feed and retraction stroke. The drive motor also rotates a lead screw through a drive train with the lead screw moving the spindle in the feed stroke u... | 11/02/1976 |
