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 |
| 7108108 | Rod clamping device A device for clamping a rod to stop axial and/or rotative movement between the rod and the device. The device includes pressure and clamp units, the clamp unit having a bushing fixed therein and provided with a radially resilient center section normally sized to per... | 09/19/2006 |
| 7108461 | Clamp with magnetic spindle positioner A clamping apparatus includes a clamp arm that is pivotable between a raised position and a lowered position, and a clamp spindle assembly that is adjustably positionable along the length of the arm. A magnet in the clamp spindle assembly magnetically engages the cl... | 09/19/2006 |
| 7029214 | Linear guide apparatus There is provided a linear guide apparatus which, owing to the use of a gap-free braking device in a rolling guide, has a sufficiently high damping capacity. The linear guide apparatus for guiding a linear motion of a movable body along a guide rail on a fixed struc... | 04/18/2006 |
| 6945147 | Clamping device for machine tools A clamping device for machine tools is disclosed that is capable of ensuring the clamping force for a tailstock while maintaining a small overall size of the device and a reduced number of parts. The tailstock (movable carriage) movably mounted on a fixed bed is cla... | 09/20/2005 |
| 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 |
| 6698982 | Machine tool A machine tool has a table body and a drive line on a bed. The table body is linearly movable via a guide member having a sliding or rolling guide surface. The drive line has a ball screw or the like, and moves the table body along the guide surface. A pa... | 03/02/2004 |
| 6469409 | Brake apparatus for a moving apparatus driven by linear motor A brake apparatus for a moving apparatus driven by a linear motor, to support a headstock. The brake apparatus includes an air cylinder disposed parallel with a travelling direction, a compressor to supply fluid under pressure to the air cylinder, a 2-por... | 10/22/2002 |
| 6315015 | Wood planing machine provided with a cutter locking device A wood planing machine includes a machine base having first and second mounting sides. First and second pairs of posts are fixed on the machine base at the first and second mounting sides, respectively. A cutter carriage is disposed above the machine base... | 11/13/2001 |
| 6299392 | Mounting fixture for a modular assembly machine A mounting fixture for a reconfigurable assembly machine having a plurality of modules with slots formed in their upper surfaces includes a square or rectangular solid block having a plurality of threaded openings. The openings receive fasteners adapted t... | 10/09/2001 |
| 5429461 | Machining apparatus and work table assembly therefor An apparatus for forming selected machining functions relative to a workpiece comprising a machine carriage having one or more machining spindles and a work table assembly having a pair of work tables, a shuttle assembly selectively moveable along the tab... | 07/04/1995 |
| 5302062 | Spindle clamping device for machine tool A machine tool is provided with a spindle clamping device for clamping a spindle assembly supported by a spindle head and composed of an outer spindle rotatably supported by the spindle head and an inner spindle disposed inside the outer spindle to be rec... | 04/12/1994 |
| 5157822 | Plate working machine A plate working machine comprising a metal plate supporting table (1), a pair of rails (2, 3) extending along the sides of the table (1), a driven support means (4) for travel along the rails (2, 3), said support means comprising a spaced pair of support ... | 10/27/1992 |
| 5105693 | Machine tool with movable positioning device A machine tool for machining a workpiece (11), the workpiece (11) being fastened to a support (9) which has its bearings in a frame (1) of the machine tool and is rotatable about an axis of rotation (13), while a tool (37) is movable relative to the workp... | 04/21/1992 |
| 5058253 | Machine tool A machine tool comprises two motion units, in particular a spindle stock and a machine bed, arranged for being displaced relative to each other along one axis. A guideway is fixed to a first motion unit for guiding the displaceable motion unit, a first su... | 10/22/1991 |
| 5001818 | Underwater milling machine system for core barrel repair A machining system for performing heavy duty milling and other repair operations under water is disclosed herein which is particularly useful in performing repair and maintenance operations in the core barrels of nuclear reactors. The machining system gen... | 03/26/1991 |
| 4850255 | Tool-holder mounting for machine tools The body (2) of the tool-holder (1) is equipped with spherical caps (14, 15, 16) which come to rest against the flat inside faces (6, 7, 8) of a trirectangular trihedron in the tool-mounting base. Flanges (17, 18) guide conical-tipped retaining pins (21, ... | 07/25/1989 |
| 4802800 | Passive positioning apparatus A method and arrangement for enhancing the ability of robots to perform precision assembly and machining employing adaptive clamping surfaces attached to the robot end effector in locations providing high mechanical advantage against working forces, and a... | 02/07/1989 |
| 4792265 | Engine boring and surfacing machine A surfacing and boring machine for reconditioning engine blocks has a front stationary work table, a traveling column on rails provided by an elongated rigid base, a power head unit on the column adjustable in an air float condition to move an overhanging... | 12/20/1988 |
| 4625461 | Method and apparatus for positioning work supporting units in grinding machines The work supporting unit or units on the stationary or reciprocable work supporting table of a plain grinding machine are adjustable with reference to the table by one of the existing numerically controlled drives, such as the drive which reciprocates the... | 12/02/1986 |
| 4616545 | Cutter for a welding apparatus A cutter for a welding apparatus for cutting a welding workpiece upon welding. In order to facilitate the positioning of the cutter during the movement of the cutter for the cutting operation and to make the entire apparatus small-sized, a shear frame is ... | 10/14/1986 |
| 4610583 | Horizontal drilling and milling machine A horizontal drilling and milling machine having a spindle head which can be rotated about an axis set at 45° to a horizontal plane. The spindle head can be arrested in the horizontal and vertical working positions of the spindle sleeve by means of a sup... | 09/09/1986 |
| 4610584 | Horizontal drilling and milling machine having a spindle head which can be rotated about an axis set at 45 degrees to the horizontal A horizontal drilling and milling machine having a spindle head which is rotatable about an axis set at 45° relative to the horizontal. In the horizontal and vertical working positions of the spindle sleeve, the spindle head can be arrested via a support... | 09/09/1986 |
| 4576213 | Method and apparatus for machining a door or the like A table, movably carried upon a stationary base, is provided with a fixed jaw and a movable jaw for gripping the lateral edges of a door or similar panel-like workpiece. The table is movable in reciprocal directions against adjustably positionable stops t... | 03/18/1986 |
| 4570313 | Spindle lock-up device A spindle lock-up device for detachably locking a rotary spindle having a tool holder at its end to a non-rotatable support, such as the ram of a vertical boring machine, so that the spindle tool holder also may be used as a fixed tool holder for the ram,... | 02/18/1986 |
| 4571131 | Device for clamping boring bar in horizontal boring and milling machine A device for clamping boring bar in a horizontal boring and milling machine comprises a resilient clamping ring interposed between a milling spindle and the boring bar, and an accumulator secured to the milling spindle for supplying pressurized oil to the... | 02/18/1986 |
| 4566169 | Set of parts for building small machine tools A building set is provided including at least a drive motor, a spindle stock and a support element for holding these elements. These elements can be assembled to form a variety of small machine tools. The elements are formed as independent parts with unde... | 01/28/1986 |
| 4534093 | Beo-type machining system An automatic numerically controlled machine tool or "bed machining center" presents a tool carrying spindle rotating in a vertically movable head sliding on a forwardly and rearwardly movable column, for cutting tool engagement with a workpiece clamped on... | 08/13/1985 |
| 4512068 | Pallet receiver with compliant pin and socket registration A pallet receiver for a machine tool is disclosed utilizing a pin and socket for registration and alignment. A pallet clamp piston is employed to clamp the pallet to the receiver base for subsequent machining operations. A registration pin is rigidly secu... | 04/23/1985 |
| 4337011 | Crankshaft milling machine The present crankshaft milling machine comprises at least one milling unit which may be controlled in its feed advance drive by a copying mechanism operating in synchronism with the rotation of the work piece. The copying mechanism is movable back and for... | 06/29/1982 |
| 4215962 | Internal milling machine for milling crank pins The machine of the present invention is an internal milling machine designed to mill the crank pins and crank arm cheeks of heavy crankshafts to precise dimensions. Positively locked clamping systems are employed to rigidly fix the headstock at indexed po... | 08/05/1980 |
| 4215961 | Locking mechanism for the mandrel collar on milling and drilling spindles A tightening and clamping mechanism for the mandrel collar of a milling or boring spindle. The clamping elements are semi-circular devices with notches in their outer surfaces. By engaging the notches with retainer pins and tightening actuators, the clamp... | 08/05/1980 |
| 4015513 | Indexing devices An indexing head has a plurality of co-axial discs rotatable relative to each other. A first disc carries an indexing pin receivable in a series of equi-angularly spaced recesses of a second disc. A third disc is angularly settable relative to the second ... | 04/05/1977 |
| 3945749 | Clamping apparatus for supporting a machining device A clamping apparatus attachable to a rail for supporting a portable machine tool therefrom including exchangeable and formed clamping blocks with pre-set adjustment members to match points on the web contour between the base and head of all sizes of rail,... | 03/23/1976 |