Bizarre Patents
Pizza Pie With Concentric Rings of Crust
A pizza mold for forming a plurality of concentric raised ridges of dough (i.e., crust) on the surface of a pizza pie.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8132480 | Pump gear and pump assembly for a generator A pump gear includes a pump gear body having involute teeth that each have an involute surface that extends between a tooth tip and a tooth base. The involute surface includes at least reference points A-D, with reference point A near the base, reference point D nea... | 03/13/2012 |
| 8100028 | Cornu's spiral tooth gear A Cornu's spiral is applied to a tooth profile of a gear. In accordance with the application of the gear, the Cornu's spiral may be modified two-dimensionally by some constant proportion. Since Cornu's spirals have similarity are similar, when a pressure angle is de... | 01/24/2012 |
| 8051738 | Rotor gear for a generator A rotor gear includes a rotor gear body having involute teeth that each have an involute surface that extends between a tooth tip and a tooth base. The involute surface includes at least reference points A-D, with reference point A near the base, reference point D n... | 11/08/2011 |
| 8020464 | Gear pairs for power transmission in speed increaser or reducer and methods of forming the same This disclosure relates to a gear pair for power transmission in a speed increaser or reducer and its tooth profile forming method. The tooth profiles of driving gear and driven gear are separately designed from reference points. The upper tooth profiles are compose... | 09/20/2011 |
| 7926381 | Idler gear for a generator A gear set for a generator includes a first gear having a first set of involute teeth and a second gear having a second set of involute teeth circumferentially located about a center axis of rotation. Each set of involute teeth includes respective roll angles, ε | 04/19/2011 |
| 7926380 | Resin gears, developing unit, photoconductor drum unit, image forming apparatus or image reading apparatus having the same A resin gear has a plurality of teeth on an outer periphery thereof. One surface of each tooth has a tooth plane which meshes with another gear. The tooth thickness is substantially uniform from a tooth tip to a tooth root. A reinforcing rib is provided on the surfa... | 04/19/2011 |
| 7926379 | Gear pair consisting of a crown gear and of a pinion gear The invention relates to a gear pair consisting of a crown gear (1) and of a pinion gear (2) provided in the form of a spur gear with an axis crossing angle of 90°. According to the invention, the teeth (3) of the pinion gear (2), in ord... | 04/19/2011 |
| 7921745 | Resin gear Noise can be effectively reduced without rotative power transmission accuracy being compromised. In a tooth 2 of a resin gear 1, a tooth face that is a predetermined area from a tooth crest 8 towards a tooth root 10 side serves as ... | 04/12/2011 |
| 7849758 | Toothed member and a gearseat relating thereto The action curve (A), that is, the locus of the gearing contact points throughout the gearing process, is a lemniscate (Lg, Ld) having a double point coinciding with the rolling point (T) of two pitch circles (Prg, Prd). The gearing contact beg... | 12/14/2010 |
| 7770484 | Resin double helical gear and gear train using same There are provided a resin double helical gear capable of reducing operation noises and vibrations of an ink jet printer, and a gear train for an ink jet printer using the same. The gear train 2 for an ink jet printer 1 includes an output gear 5... | 08/10/2010 |
| 7526977 | Resin-made gearing apparatus A resin-made gearing apparatus that includes a configuration in which only one tooth flank side of each tooth in one of a pair of gears is provided with an overhang section that is disposed on at least one end portion in a tooth width direction, and overhangs diagon... | 05/05/2009 |
| 7437967 | Gear having window holes, and method and apparatus for manufacturing the same A gear having window holes, and method and apparatus for mafufacturing the same in which by depressing partially one end surface of a primary formed article, a plurality of concaves for the window holes is formed at the one end surface in an axial direction of the p... | 10/21/2008 |
| 7415907 | Resin double helical gear and gear train using same A gear train for an ink jet printer includes an output gear of a motor, a first idle gear meshing with the output gear, a second idle gear rotatable with the first idle gear, and a driven gear which is mounted on a roller shaft so as to be rotatable therewith and wh... | 08/26/2008 |
| 7407373 | Internal gear pump and an inner rotor of such a pump An inner motor is structured to increase the discharge rate of an internal gear pump by making it possible to freely adjust the eccentricity e between the inner and outer rotors. Each tooth of the inner rotor includes a tooth bottom defined by hypocycloidal curves, ... | 08/05/2008 |
| 7377355 | Motor-driven power steering apparatus for a vehicle In a motor-driven power steering apparatus for a vehicle in which a worm wheel of a worm gear type speed reduction mechanism is fixed to a pinion shaft of a rack and pinion mechanism, a direction of a torsion angle β of a helical pinion provided in the pinion shaft... | 05/27/2008 |
| 7326012 | Broaching apparatus and method for producing a gear member with tapered gear teeth The apparatus of the present invention provides a broaching machine configured to produce an internal gear member. The broaching machine includes a broaching tool defining a central axis. The broaching tool includes a first set of broaching teeth configured to cut b... | 02/05/2008 |
| 7322654 | Bracket angle adjustment mechanism Disclosed is a bracket angle adjustment mechanism which includes external-tooth and internal-tooth gears having improved tooth shapes allowing an operating force for rotating a control shaft to be reduced. In the bracket angle adjustment mechanism, each of external ... | 01/29/2008 |
| 7273433 | Continuously variable transmission A constant mesh gear driven continuously variable transmission including a minimum of two cones in mesh with either an axial sliding ring gear or an axial sliding circular gear. The cones and ring gear or circular gear are enclosed in a housing. An input shaft is jo... | 09/25/2007 |
| 7267024 | Gear, and method and apparatus for manufacturing the same An idler gear having a part worked by cutting is formed such that a chamfer part is formed at least on a portion between a tooth shape and chamfers are formed on the tooth shape by a forging process on an outer peripheral surface and an end part thereof in an axial ... | 09/11/2007 |
| 7258037 | Gear protected against overloading The invention concerns a gear for precision devices comprising at least two mutually co-operating toothed wheels (10, 14). The teeth (12, 16) of the two wheels have the same thickness (e) and the teeth of one of them (10) are provided with a rad... | 08/21/2007 |
| 7240762 | Electric power steering apparatus A gearing radius of a worm wheel is set corresponding to a neighborhood region of a steering neutral position, in such a way as to be relatively large. Thus, backlash is made to be relatively small. This prevents noises from being produced when an automobile travels... | 07/10/2007 |
| 7231856 | Apparatus and method for detecting dangerous conditions in power equipment A machine such as a saw, jointer, planer, etc. is disclosed. The machine has cutting tool, a direct drive mechanism configured to move the cutting tool, a detection system adapted to detect the occurrence of an unsafe condition between a person and the cutting tool,... | 06/19/2007 |
| 7191678 | Electromotive adjustment device An electromotive adjustment device for adjusting a control element includes a housing and a gear mechanism which has a plurality of intermeshing gear wheels to define a drive train. In driving relationship with the gear mechanism is a drive motor which is constructe... | 03/20/2007 |
| 7191521 | Advanced geometry of skew and straight bevel gears produced by forging The present invention provides for bevel gears having a localized and stable bearing contact. The localization of bearing contact is achieved by substitution of flat tooth surfaces with parabolic tooth surfaces. This is accomplished by either modifying line-contact ... | 03/20/2007 |
| 7178420 | Ring gear A ring gear includes teeth (10) and tooth gaps (12), in which the teeth (10) can be brought vie tooth flanks (14) into engagement with a corresponding pinion. The tooth flanks (14), after a final engagement point (16) of the... | 02/20/2007 |
| 7137312 | Gear wheels roll formed from powder metal blanks A method is disclosed for the manufacture of gear wheels having two axially adjacent gears (4,6) thereon. A blank is prepared with the two gears crudely formed thereon by compressing and sintering a shaped mass of substantially metal powder. The blank is then... | 11/21/2006 |
| 7128673 | Sprocket for chain In a sprocket for a roller chain, the tooth form is such that the distance between the tooth center line and a part of the front tooth surface, at a location on the tooth head side of the pitch line, is greater than the distance between the tooth center line and the... | 10/31/2006 |
| 7121973 | Methods and apparatus for minimizing backlash in a planetary gear mechanism A planetary gear system includes a planetary gear assembly having a first planetary gear, a second planetary gear rotatable relative to the first planetary gear, and a torquing mechanism. The torquing mechanism generates a torsional spring force of the planetary gea... | 10/17/2006 |
| 7118359 | Oil pump rotor An oil pump rotor assembly for an oil pump which enables reduction of noise while preventing pump performance and mechanical efficiency from being degraded. In this oil pump rotor assembly, the tooth tip profile of each of at least one of external teeth of an inner ... | 10/10/2006 |
| 7117759 | Wave gear drive with wide mesh three-dimensional tooth profile A wave gear drive in which wide-area meshing of the rigid internal gear and flexible external gear is achieved, reducing stresses on the bottom rim of the gear teeth and in the vicinity of the major axis of the inner ring surfaces of the wave generator, thereby impr... | 10/10/2006 |
| 7111395 | Method for densifying teeth of a gear wheel A method and an apparatus are described for producing a gear wheel from a powder metal blank (1) which is sintered and pressed with an overmeasure in the flank and root region of the teeth and which in the region of the overmeasure is densified under plastic ... | 09/26/2006 |
| 7107871 | Axially securing gearwheels in crown gear angle drives on one side A crown gear assembly including a crown gear which is rotatably supported around a first axis (A1) and which forms teeth (13) which are provided with flanks (14, 15) whose mantle lines extend substantially radially relative to the axis (A1 | 09/19/2006 |
| 7081063 | Internal planetary gear mechanism An internal planetary gear mechanism reduces a load applied to tooth surfaces of an external gear and an internal gear, a sliding portion such as a bearing and the like. By setting the amount of eccentricity α of an eccentric part to be larger than a theoretical va... | 07/25/2006 |
| 7077026 | Gear tooth profile curvature A gear system which includes a pinion and mating-gear forming a gear pair with a predetermined gear ratio (mG), center distance (C), face-width (Fw), and limiting stresses. The pinion has a pinion tooth number (N1) and a first plural... | 07/18/2006 |
| 7069805 | Driving force transmission device A driving force transmission device includes a rim having a toothed outer periphery, with bottom lands being formed between respectively adjacent teeth and top lands being formed at teeth crests. Outer ribs are disposed at positions on an inner peripheral surface of... | 07/04/2006 |
| 7051344 | Disk tray moving device and disk recording and/or reproducing device The present invention provides a disc tray shift device including a disc tray having at least one disc placement portion, a rack having an arc portion and at least one straight portion, the rack being arranged on the disc tray, and a sun gear, a planet gear which ha... | 05/23/2006 |
| 7024725 | Overhead door closer with slide arm assembly This invention relates to an overhead door closer with slide arm assembly having a toothed pinion that is eccentrically supported and presents a circular rolling curve, which pinion meshes with a toothed rack arranged at a piston. The invention concentrates on a par... | 04/11/2006 |
| 7025929 | Method and apparatus for densifying powder metal gears The invention provides a method and apparatus for densifying the teeth of a powder metal preform gear. The die includes an aperture for receiving a body of the gear and a plurality of grooves for receiving the teeth of the gear. The grooves have a length and a varia... | 04/11/2006 |
| 6964210 | Gear tooth profile A gear and method for producing the gear. The gear has a gear tooth profile conjugate to a gear basic-cutter tooth-profile having an addendum with a convex portion having an addendum point proximal to a pitch line and a dedendum with a concave portion having a deden... | 11/15/2005 |
| 6932037 | Variable CAM timing (VCT) system having modifications to increase CAM torsionals for engines having limited inherent torsionals In a variable cam timing (VCT) system that has a crank shaft coupled to at least one cam shaft. The system has at least one timing gear associated with the crank shaft or a cam shaft. The timing gear includes at least two groups of toothlike projections including a ... | 08/23/2005 |
