Class 193/12 - Spiral

Subclass of Class 193 - Conveyors, chutes, skids, guides, and ways
Definition: Apparatus wherein the chute is a spiral.
No. of patents: 38
Last issue date: 01/05/2010

Number	Title	Issue Date
7641034	Document conveying system A chute system for conveying articles, preferably documents, from an upper to a lower elevation in a building. The system includes a vertical post, an outer wall that is concentric therewith, and a helical chute wound around the post. The chute is secured at an inne...	01/05/2010
7364051	Remote actuator for ball injector An electrical motor rotatably drives a motor shaft, and a helical rib radially extends from the shaft. The helical rib supports a number of balls, and forms a channel to accommodate the balls. The balls are dropped from the helical rib when the balls reach the botto...	04/29/2008
7156029	Collapsible grain chute A generally conically-shaped collapsible grain chute removably affixed to the bulk seed distributor of an agricultural planter to provide an effective and efficient apparatus for emptying the bulk seed bin. The chute may include a cinch cord to selectively open and ...	01/02/2007
7066350	Feeder tube for filling containers with pills A pill delivery and packing apparatus having a feeder tube for delivering pills is provided. The feeder tube has a helical delivery chute that extends between an inlet side and an exit side of the tube. The delivery chute has a helical inner contour and a rectangula...	06/27/2006
7048092	Helical ramp life-preserver The present Patent of invention “HELICAL RAMP LIFE-PRESERVER” refers to a model of helical ramp, aimed for collective use, for immediate rescue of lives subjected to a probable fire, to be used in buildings of any height, or in places that cannot be reached by t...	05/23/2006
6889821	Orienting and sorting device for corn dogs An apparatus (10) is disclosed which incorporates a spiral slide (14) to orient corn dogs (12) in a single direction as they slide down the spiral slide. The oriented corn dogs (12) enter an inlet (66) of a first conveyor (16	05/10/2005
6851911	Distributing chute conveyor A helical distributing chute conveyor for a receptacle for transferring loose varied fragile chemical and pharmaceutical products, particularly of the granular or pulverulent type. This chute conveyor, placed in a receptacle, comprises helical chute paths developed ...	02/08/2005
6651802	Bottle orienting method and apparatus A method and apparatus are provided to manually discharge bottles from a tray of bottles onto a sloped surface at the bottom of which gravity fed individual bottles are captured at the top receiving edge of a parallel sloped multi-pocketed rotatable index...	11/25/2003
6371275	Dual entry-double helix spiral chute A dual entry-double helix spiral delivery chute is provided which includes two spiral delivery chutes nested one above the other and being aligned with the same vertical axis. The two chutes are substantially identical in that they provide the same footpr...	04/16/2002
6364088	Storage arrangement for components and device comprising such a storage arrangement A storage arrangement has a channel for accommodating chip-like electronic components in a predefined order and alignment. Simplified operation is achieved in that the channel between a first and a second end of the storage arrangement is led at least lar...	04/02/2002
6006888	Double spiral conveyor A double spiral conveyor includes two spiral chutes, each chute being positioned diametrically opposite the other in a helical relationship about a central axis of a central tubular support. The spiral chutes begin in the same upper horizontal plane and t...	12/28/1999
5868234	Transfer device for transferring solid articles A transfer device for transferring solid articles, comprising: a cylindrical member which has a supply opening formed at one end portion and a discharge opening formed at the other end portion, such that an angle formed between an axis of the cylindrical ...	02/09/1999
5598914	Removable sidewall for a molded spiral chute A plurality of spiral sidewall sections are provided and are connected to the center support pole of a spiral chute which is used to transport articles from an upper location to a lower location to provide a sidewall located between the original sidewall ...	02/04/1997
5586665	Gravity fed bottle dispensing and display rack A gravity fed bottle dispensing and display rack is comprised of a support frame having front and rear transverse horizontal rigid members. A straight bottle support channel is interconnected between the transverse horizontal rigid members and inclined do...	12/24/1996
5513737	Device for transferring solid articles A transfer device is disposed vertically between an apparatus for carrying out a process and a further apparatus for carrying out a subsequent process so as to transfer solid articles from the apparatus to the further apparatus by gravity. The transfer de...	05/07/1996
5209323	Interior fire escape chute for a building A fire escape chute for a building having a plurality of floors, hallways, and a plurality of pairs of apartments on each floor, includes a plurality of spaced descending spiral-shaped chute segments extending between floors. Each segment has an entrance ...	05/11/1993
5150765	Fire escape A fire escape including a housing formed in a building which includes a number of levels each having an opening communicated with the housing, and a number of buffer plates disposed in the housing in a stagger type. People can be safely dropped to the gro...	09/29/1992
5123515	Chute for refuse disposal A refuse chute for mounting on the inside of a sink cabinet door includes a backboard, inner and outer sidewalls extending forward of the backboard, an inclined ramp extending downward from the backboard between the inner and outer sidewalls; and a stop t...	06/23/1992
5097816	Projectile container for use with a device that selectively discharges fragile projectiles, such as paintballs, under the influence of a source of fluid pressure A container is adapted to be mounted on a paintball weapon to feed paintballs into the firing chamber of such weapon under the influence of gravity. The container includes a hollow housing in which a monolithic, one-piece helical ramp is located. The pain...	03/24/1992
5083651	Tablet feed assembly A feed assembly for use in filling a container with tablets or other materials is disclosed. The assembly includes a spiral chute which is constructed of a series of interconnected chute segments having a stepped configuration between adjacent segments. A...	01/28/1992
4995499	Method and apparatus for reducing the velocity of particulate matter A method and apparatus for reducing the velocity of a stream of particulate matter so as to prevent damage to the particulate matter. The present invention includes a chamber having an inlet port adapted for accepting particulate matter from a conduit, an...	02/26/1991
4886097	Apparatus for handling and storage of particulate solids A container to handle particulate solids comprising a downwardly converging wall extending from an inlet to an outlet, the wall being provided with an internal inverted step extending along a portion of the converging wall. In order to minimize the solids...	12/12/1989
4790355	Helicoidal ramp dropshaft A vertical dropshaft having internal helicoidal ramps for dissipating the energy of liquid passing through the dropshaft and for exhausting air entrained by the falling liquid up the center of the dropshaft....	12/13/1988
4726456	Braking system for a molded fiberglass spiral chute Friction applying material in a recess in a portion of the upper surface of a molded fiberglass spiral chute to apply a braking force to reduce the velocity of articles passing over the upper surface of the molded fiberglass spiral chute while still provi...	02/23/1988
4666033	Auger apparatus Auger apparatus includes a drive portion, a connector portion and a flight portion. The drive portion includes an elongated rigid shaft member including a longitudinal axis disposed along the path of material being advanced by the auger apparatus. The con...	05/19/1987
4603769	Grain chute system In a grain elevator, grain mixed with dust is delivered near the top of a grain silo to the receiving orifice of a grain chute. The chute includes an enclosed conduit which extends from the top of the grain silo to its floor and deposits the grain in the ...	08/05/1986
4501380	Spiral feeder for headed fasteners Disclosed is an automatic feed system for storing and delivering headed fasteners, such as bolts or headed rivets to a fastening machine. The feed system is configured to release fasteners one at a time in a shank-first orientation and includes a cylindri...	02/26/1985
4498557	Emergency escape apparatus and method of using same The emergency escape apparatus includes a slide device installed at a staircase, and includes a slide member extending at an incline over the stairs when disposed in its use position. In order to use the apparatus, the slide member swings about a hinge de...	02/12/1985
4459734	Method of making fruit storage bin A fruit storage bin apparatus for temporary storage of fruit has a frame wall, a floor and a ceiling forming an enclosure. An inlet is provided in the upper part of the enclosure and an outlet is provided through the walls in the lower part of the enclosu...	07/17/1984
4365730	Dynamic pressure relief device for storage elevation A pressure relief device for use in a storage elevator for reducing the dynamic pressure imposed on the walls of a storage elevator during a discharging operation which includes a screw which extends longitudinally along the interior of the storage elevat...	12/28/1982
4193357	Seed planting machine having specific seed guiding structure A potato seed platner in which seeds are loaded into cups on an endless conveyor from a hopper of a seed receptacle. The conveyor is driven on upper and lower sprockets and arranged on the receptacle with the cups in two parallel rows in staggered constan...	03/18/1980
4138021	Ducted material handling device for top unloading of a storage receptacle A material handling device is disclosed for use in a material holding, or storage, receptacle. The device includes a vertically positioned discharge duct having spaced apertures therein with the bottom of the duct connected to a discharge access passage w...	02/06/1979
4136765	Methods of and apparatus for orienting electrically asymmetrical devices with magnetic handling In making electrically asymmetrical semiconductor devices, it is generally necessary to orient all of the devices into a common polarity at some point in the manufacturing operation. To accomplish this, a magnetic turning chute receives those devices whic...	01/30/1979
4111315	Bulk-storage receptacle with helical chute A bulk-storage bin having a cylindrical wall is provided thereon with a helical chute having an inlet portion at its upper end whereby the bulk material is introduced into the bin and descends along the helical chute to be spread uniformly in the interior...	09/05/1978
4035970	Prefabricated modular helical escape structure for multiple story buildings A double helical earthquake and fire escape structure for multiple story buildings formed mainly of a plurality of prefabricated section of precast concrete. Two identically formed upper sectional units and two identically formed lower units are arranged ...	07/19/1977
3976176	Spiral chute device A spiral chute device, especially for use in conveying seed materials to storage chambers. The spiral chute device is employed for guiding the seed material downwardly in the storage chamber to prevent the seed material from undergoing free fall which cou...	08/24/1976
3968856	Spiral slide fire escape A new type of building fire escape consisting of an upright tube containing a spiral slide extending throughout its length, access doors along the sides of the tube so to allow persons on each floor of a building to enter, and an exit door at a lower end ...	07/13/1976
3940037	Discharge from hoppers A device for facilitating the discharge of material from a hopper of the kind whose cross-sectional area in a horizontal plane reduces gradually over at least the lower part of the hopper towards the outlet thereof comprising a helical blade rigidly secur...	02/24/1976

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Class 193/12 - Spiral