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The ice cream cone was invented at the St. Louis Worlds Fair by Ernest Hamwi in 1904. His waffle booth was next to an ice cream vendor who ran short of dishes. Hamwi rolled a waffle to hold ice cream and the cone was born.
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| Number | Title | Issue Date |
| 7413504 | Blade sharpening device with blade contour copying device The present invention provides a blade sharpening device designed for sharpening a blade for a uniform sharpening of the edge thereof. The blade sharpening device contains a base having a guide slidably movable relative to the base. The guide includes a material tha... | 08/19/2008 |
| 7210986 | System and method for duplicating keys A key duplication system employs a modular key duplication attachment in combination with a high-speed, rotary powered tool and a profiled abrasive cutter. The attachment comprises a base, a carriage assembly movable relative to the base, a profiled stylus secured t... | 05/01/2007 |
| 7004828 | Sander apparatus and method A sander apparatus and method includes a sander table and a sanding drum. A guide bearing is connected to the sanding drum wherein the guide bearing is conformed to fit within the stabilizing guide bearing receiver in the sander table. ... | 02/28/2006 |
| 6932549 | Mandrel-holding slide or sleeve pod for numerical-control machine tools In a numerical-control machine tool use is made of a mandrel-holding structure that makes it possible for the machine tool to be used to smoothing/facing and polishing purposes under utilization of traditional pan-like tools, in which the force acting on the working... | 08/23/2005 |
| 6086463 | Tester with interchangeable inserts for grinding wheels An apparatus for grinding edges of rigid materials including a support member, an upper grinding element rotatably mounted relative to the support member, a bearing affixed to the upper grinding element, a lower grinding element rotatably mounted relative... | 07/11/2000 |
| 5919083 | Centering template for concentric grinding There is disclosed a self-centering template useful for centering cylindrical bodies on their axes in rotating machines such as a concentric grinder. The centering templates of the invention are generically cup-shaped plates, having an end disc with a dep... | 07/06/1999 |
| 5848930 | Aircraft trimming device Provided is an aircraft trimming device including a guide assembly (24) and a cutting tool (26). The guide assembly (24) includes a rigid plate (25) and a T-shaped track (30) mounted to one side of the plate to serve as a support and a guide for the cutti... | 12/15/1998 |
| 5775973 | Method and apparatus for grinding the rim of a lens A method of processing the rim of a lens is provided which includes the step of grinding the rim of a lens (LE) with a grindstone (6) so as to fit the configuration of an eyeglass frame while rotating and moving the lens (LE) toward and away from the grin... | 07/07/1998 |
| 5674113 | Clip-on sunglasses and system for cutting clip-on sunglasses Clip-on sunglasses and an apparatus for custom cutting the clip-on sunglasses. The system includes a holder which assists in positioning the sunglasses on the system. The sunglasses include a pair of lenses interconnected by a bridge specifically dimensio... | 10/07/1997 |
| 5613811 | Dust-free method and apparatus for locating and cutting holes for electrical outlet boxes, recessed light fixtures and the like A vacuum template has a suction chamber on its back surface that adheres the template to the wall or other flat surface when a source of vacuum pressure attached to the template is turned on and the template has been placed by the worker in its desired po... | 03/25/1997 |
| 5605498 | Machine for trimming eyeglass lenses An eyeglass lens trimming machine includes spring arrangements operative between a carriage and a chassis to urge the carriage towards an associated feeler. The feeler being mobile on the chassis, auxiliary spring arrangements between it and the carriage ... | 02/25/1997 |
| 5480345 | Knife sharpener This invention relates to a knife sharpener and more particularly to a knife sharpening device wherein the knife is clamped in a fixed position on a table or platform and the knife sharpening or grinding device is moved along the edge of the knife to be s... | 01/02/1996 |
| 5431595 | System for cutting clip-on sunglasses An apparatus for custom cutting clip-on sunglasses includes a stop which assists in positioning the eyeglasses or sunglasses on the holder. A centerer is associated with said apparatus for centering the eyeglasses or sunglasses.... | 07/11/1995 |
| 5423712 | Cutter for clip-on sunglasses An apparatus for custom cutting clip-on sunglasses includes a first holder for securely holding eyeglasses and a second holder for securely holding clip-on sunglasses. A first locator assists in positioning the eyeglasses on the first holder. A second loc... | 06/13/1995 |
| 5355631 | Regulated force and speed control of a surface treating wheel An automatic surface treating work wheel having controlled speed and pressure for finishing the surfaces of various materials to achieve desired finish results. The pressure is controlled by a counterbalance system using two air pressurized pneumatic cyli... | 10/18/1994 |
| 5274963 | Flush-mount sink assembly method The flush-fit mounting of an accessory such as a sink or bowl in a surface of hard material such as granite or marble can be achieved by a method comprising the steps of: forming an opening in the mounting surface for seating the accessory within the peri... | 01/04/1994 |
| 5119600 | Deburring apparatus A deburring robot acts in accordance with the size of the pipe, the upset shape, and information about the position of burrs. A deburring grinder removes burrs with a whetstone along the surface of the upset pipe as sensed by a copying claw. Wear on the w... | 06/09/1992 |
| 4984391 | Machine for forming woodworking tool A grinding machine for grinding a woodworking tool shown as knife to a predetermined shape includes two main tables. The upper table moves toward and away in a Y direction from the grinding wheel and a lower table that moves left and right in an perpendic... | 01/15/1991 |
| 4898504 | Key cutting machine A key cutting machine capable of duplicating a key blank from a master key and cutting a key blank to form a desired key from a lock manufacturer's code or number governing the depths of the cuts and the spaces between them being formed in the key blank. ... | 02/06/1990 |
| 4780032 | Key duplicating apparatus A key duplicating apparatus is disclosed which includes a base and platform supporting a reciprocating carriage assembly and a pivotally mounted housing. The carriage assembly has a key securement means which secures a blank key and a template key in alig... | 10/25/1988 |
| 4582459 | Milling device for a rod handle A bait casting rod and handle and a method for manufacturing a bait casting handle, wherein the handle includes a grip or butt portion milled in one pass from a block of EVA material having a rod blank butt receiving lumen extending substantially the full... | 04/15/1986 |
| 4580367 | Abrading apparatus Apparatus for grinding irregular surfaces of a workpiece includes a frame, a slide movable longitudinally on this frame, a shaft mounted for rotation on the slide and having a workholder mounted on it, a grinder adapted to contact the surface to be ground... | 04/08/1986 |
| 4545709 | Machine for the encipherment of keys The machine comprises a milling cutter of the so-called cup type whereto a manually movable bracket is articulated. The bracket has journalled thereon a stand having the reference key clamps mounted thereon and the clamps for the key blank to be milled. T... | 10/08/1985 |
| 4519167 | Process and apparatus for the automatic control of movement of an edge grinding machine The invention is in a process, and the apparatus, for path control of a processing tool of a grinding machine for an all-around edge grinding of a glass pane. A cross sled supports the processing tool for movement in an X-Y coordinate system wherein the p... | 05/28/1985 |
| 4514933 | Self-balanced surface-processing apparatus A self-balanced surface-processing apparatus includes a tool support movable along a strip of airplane body or other work surface, in spaced relation thereto a pivot arm mounted on the tool support and mounting a sander, or other surface-processing tool o... | 05/07/1985 |
| 4493166 | Ultra precise tool forming apparatus This invention is concerned with ultra precise apparatus for forming a complex profiled face on a diamond tool blank. The apparatus comprises an abrading device in the form of a grinding wheel and a spindle means which includes a journal for supporting th... | 01/15/1985 |
| 4481740 | Tool profile grinding machine, with mechanical adjustment of the grinding wheel and positioning of the tool interrelated A shaping machine for making profiles on tools includes a mechanism for the mechanical adjustment of a grinding wheel at the same time as a positioning of the tool, to obtain substantially identical and accurate tool pieces using a dummy template. Movemen... | 11/13/1984 |
| 4478007 | Tool positioning device for machining the edges of sheet or plate materials The device comprises a feeler provided for following the edge profile of the plate or sheet to be machined and having two edge-contacting elements spaced apart from each other and carried on a movable element adapted to control a motor for angularly posit... | 10/23/1984 |
| 4459780 | Cabochon copy grinding apparatus A cabochon copy grinding apparatus comprises a flexible template of a variable curvature, a template supporting ring the template head head of an adjustable holding distance, a grinding wheel, a master cabochon attaching shaft, a workpiece attaching shaft... | 07/17/1984 |
| 4319615 | Router attachment for ornamenting a workpiece Undulatory rails on a track can be oriented in any given direction by placing the track on a turntable. A wheeled carriage rides to or fro on the track and carries a router. The router bit rises and falls in response to the particular profile of the rails... | 03/16/1982 |
| 4309848 | Turbine blade tip finishing apparatus An apparatus for finishing the tips of turbine blades and the like is provided. The invention is especially useful on worn turbine blades which have been repaired by adding weld material. An abrasive first removes excess weld material with a reciprocating... | 01/12/1982 |
| 4305344 | Surface processing apparatus A surface processing apparatus for painting or otherwise treating variously contoured surfaces. A track includes an elongated pliant beam to which a bending apparatus is attached for the purpose of conforming it to the contour of the surface to be process... | 12/15/1981 |
| 4294042 | Apparatus and method for grinding a helical surface on a flat blade Apparatus for grinding a helical cutting surface on a flat cutting blade. Prior art grinders are complex, difficult to operate and expensive to use. The present grinding machine comprises a stationary support (74), a grinding arbor (76), an adjustable cam... | 10/13/1981 |
| 4290237 | Fixture for use in forming cylindrical surfaces of accurate dimension A fixture capable of accurately manipulating a workpiece through a circular arc is provided. Various concepts useful in the formation of a cylindrical surface on the workpiece are developed. One fixture described includes a pair of opposing spherical surf... | 09/22/1981 |
| 4251173 | Key cutter A key cutter is provided that includes a machine for cutting keys for most pin tumbler or disc tumbler locks. The machine is not a duplicator but is a machine for cutting keys by the code or number. The machine includes a base, turret assembly, and an ele... | 02/17/1981 |
| 4215960 | Copying-milling apparatus Copying-Milling apparatus comprising detectors which detect amounts of displacement of a tracer, a drive device for adjustment which subjects a cutter or the tracer to positioning separately from a motion concerned with the detectors, and control devices ... | 08/05/1980 |
| 4207709 | Tool grinding machine for profile tools, especially for wood and plastic working machines A tool grinding machine for profile tools of machines for working wood, plastics material and the like, which includes: a machine stand, at least one headstock arranged on the machine stand and comprising a grinding spindle carrying a grinding wheel, a ho... | 06/17/1980 |
| 4203693 | Duplicating machine for tubular keys A key duplicating machine for tubular keys wherein a key carrier is mounted to axially rotate the tube of the key blank and longitudinally shift the tube for endwise movement into a rotary cutter and rotary indexing to successive cuts.... | 05/20/1980 |
| 4199901 | Grinding machine Machine for grinding given objects, such as a machine for sharpening the knives of blades, constituted by a frame, a support mounted in mobile manner on said frame, means for regulating the position of the support relative to the frame, grinding wheels mo... | 04/29/1980 |
| 4172343 | Ice skate sharpener The invention comprises an improved ice skate grinding, sharpening and contouring machine. The machine includes novel means to accurately center an ice skate between the heel and sole struts in a movable holding fixture and means to select the best contou... | 10/30/1979 |
