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Patent No. 5971829

Motorized Ice Cream Cone

A Receptacle for supporting, rotating and sculpting a portion of ice cream or similarly malleable food while it is being consumed.

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Class 246/258 - Electric control


Subclass of Class 246 - Railway switches and signals
Definition: Subject matter having valves which are electrically controlled.
No. of patents: 19
Last issue date: 09/11/2007


NumberTitleIssue Date
7267304Railroad yard switch machine
A railroad switch machine which is normally operated by an electric motor but which may be manually operated without causing rotation of the power shaft of the electric motor to enable the switch machine to move the switch points without having to overcome the brake...
09/11/2007
7168663Point machine for movable frogs
In a switch actuator for movable frogs (1), comprising at least one cylinder piston unit (5) having a defined preset piston stroke, the cylinder piston unit (5) is connected with bearings (6) capable of being displaced in the axial direct...
01/30/2007
7070152Sleeper-mounted railroad-switch actuator
A railroad switch actuator has a transversely extending box sleeper having a pair of ends, adapted to be secured to a pair of longitudinally extending fixed rolling rails, and adapted to slidably support a pair of longitudinally extending and transversely shiftable ...
07/04/2006
6422519Railroad track switch operator
An improved cylinder head for a railroad track switch operator includes totally self-contained electronics and pneumatics for easy and direct replacement of a cylinder head on a prior art switch operator. The improved cylinder head has enhanced porting to...
07/23/2002
6164601Railroad switch machine
A railway switch stand includes a housing with a vertical shaft having a lower end connected to the switch throw rod, the shaft being rotatable to reciprocate the throw rod. A plate is mounted orthogonally on the shaft for rotation with the shaft, and has...
12/26/2000
6056244Railway switch setting device
A device for setting railway switches includes a plurality of interlinked hydraulic switching devices (6) connected to a separate reversible hydraulic drive unit in a manner offset in the longitudinal direction of the rails, wherein the working volumes of...
05/02/2000
5775647Hydraulic switch stand
An apparatus is provided for moving railroad switch points from side-to-side using a hydraulic power source operated using a DC electrical power source preferably in combination with a solar energy charging system. The apparatus has a hydraulic cylinder w...
07/07/1998
5772157Operating railroad switches
The railroad power switch operates from the energy stored in a hydraulic accumulator. A pump charges the accumulator and keeps it charged. A power cylinder acts on the moveable rail of a railroad switch through this hydraulic energy. The energy opens the ...
06/30/1998
5292091Operating device for railway switches, particularly for high-speed lines
An operating device for railroad switches, particularly for high-speed lines. To permit more stable positioning of the blades (A1,A2) and of the frog (C) of the switch, which in high-speed lines are of considerable length, in addition to the switching act...
03/08/1994
5020441Electric coupling for rotary guideway switch
A rotary switch for a people mover guideway having a predetermined path, guidebeam and electric rail configuration, routes a transit car having electric power signal collectors from one entry guideway path to either of two exit guideway paths or vice vers...
06/04/1991
5020442Guideway station for a rotary guideway switch
A switching station for a people mover rotary guideway switch. The switching station routes a transit car from an entry guideway path to either of two exit guideway paths. The station includes a guideway section structured at each of its entry and exit po...
06/04/1991
5012747Rotary guideway switch having guidebeam and/or electric rail structure located above and between guideway tire paths
A rotary switch for a people mover guideway which as a pair of spaced tire paths with a predetermined tire path, guidebeam and electric rail configuration. The rotary switch routes a transit car from one entry guideway path to either two exit guideway pat...
05/07/1991
4970967Rotary guideway switch for people mover systems
A rotary switch for a people mover guideway having a predetermined tire path, guidebeam and electric rail configuration routes a transit car from one entry guideway path to at least either of two exit guideway paths or vice versa. The switch has an elonga...
11/20/1990
4970962Double turnout rotary guideway switch
A double turnout rotary guideway switch is provided with an elongated structural frame member having guidebeam, electric rail and tire path structure on each of two sides of the switch compatible with the guidebeam, electric rail and tire path structure o...
11/20/1990
4970964Single turnout rotary guideway switch and a dual lane crossover station employing the same
A single turnout rotary guideway switch is provided with an elongated structural frame member having guidebeam, electric rail and tire path structure on each of two sides of the switch compatible with the guidebeam, electric rail and tire path structure o...
11/20/1990
4970965Safety locking structure for a rotary guideway switch
A rotary switch is provided for a people mover guideway having a predetermined tire path, guidebeam and electric rail configuration. The rotary switch routes a transit car from one entry guideway path to at least either of the two exit guideway paths or v...
11/20/1990
4970966Self-aligning rotary guideway switch
A rotary switch operates in a people mover guideway having a predetermined tire path, guidebeam and electric rail configuration to route a transit car from one entry guideway path to at least either of two exit guideway paths or vice versa. The switch has...
11/20/1990
4428552Railroad switch machine
A high-speed switch machine for actuating railroad switch points. The machine has an electric motor which drives a hydraulic pump. The pump supplies pressure fluid to a hydraulic cylinder adapted to move the switch points from an initial to a second limit...
01/31/1984
4213588Fluidically operated railway switch machine
A railway switch machine including a first fluid operated actuator for switching the movable points of the rails between two extreme positions for establishing respective routes of travel for railway vehicles, valve device coupled to the first fluid opera...
07/22/1980
 
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