U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Bizarre Patents

Patent No. 5107620

Electrified Table Cloth

An electrified table cloth for preventing crawling insects from gaining access to the consumer's food or drink.

Newsletter  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.

 

Class 198/735.3 - Door, casing, cover, or load supporting surface


Subclass of Class 198 - Conveyors: power-driven
Definition: Subject matter , wherein significance is attributed to a
No. of patents: 74
Last issue date: 02/26/2008


1    
NumberTitleIssue Date
7334754Guide rails for conveying band-form members
Guide rails for guiding a band-form member such as a film carrier tape in a semiconductor manufacturing apparatus. The guide rails include a pair of rail main bodies with a plurality of guide assemblies provided on the upper surfaces of the rail main bodies so that ...
02/26/2008
7090066Unloading system for particulate material
This invention concerns a new grain unloading system using an integrated ramp, horizontal transfer conveyor and elevating system. The unit is towed, positioned and powered by an agricultural tractor. ...
08/15/2006
7032743Conveyor pan
The invention relates to a conveyor pan (150) for underground face and gate conveyors, with a bottom run (102) and a top run (103) for the guidance of a scraper of a scraper chain, with a frame work construction (101) which has side walls...
04/25/2006
6966429Conveyor pan
The conveyor pan according to the present invention has a framework construction (1) having the bottom run (2) and an interchangeably constructed exchangeable tray (4) forming the top run (3), which can be lifted out, vertically supported...
11/22/2005
6758650Bar guiding device in a feeder for feeding machine tools
A bar guiding device in a feeder for feeding a machine tool, composed of two elements that have respective slots and can move with respect to each other between an open position, which allows insertion of a bar between them, and a mutually adjacent position, at whic...
07/06/2004
6591976Automatic building material transfer device
A novel and advantageous carrier mechanism, primarily useful for raising roofing shingle bundles, automatically by control by the user to lift and carry one or more of the shingle bundles or other items. A frame carries a plurality of co-operating features, in...
07/15/2003
6533109Method of and apparatus for controlling access to groups of rod-shaped smokers' products in a packing machine
An elongated bridge-like member which normally assumes an operative position in which it prevents access to a track for the advancement of finished or partly finished cigarette packs between two successive stations in a packing machine is designed to have...
03/18/2003
6460689Inner book conveying channel
In the case of an inner book conveying channel having mutually adjustable lateral guides and having a height-adjustable inner book support, on which inner books are fed in an upright position while being laterally supported, for operationally reliable con...
10/08/2002
6267227Conveyors for particulate material
A tubular slow speed drag or aero mechanical conveyor assembly (1) for transporting particulate material, includes a tubular valve (11) positioned in line with conveyor tubes (1) of the assembly and rotatable relative thereto. The valve (11) has at least ...
07/31/2001
6145651Guide rail mechanism for a bonding apparatus
A guide rail mechanism for a bonding apparatus for transferring a workpiece such as a lead frame, etc. including a pair of guide rails each comprising an edge surface guide rail element for guiding the edge surface of the workpiece and an undersurface gui...
11/14/2000
6135270Guide rail mechanism for a bonding apparatus
A guide rail mechanism used for, for instance, a die boding apparatus and a wire bonding apparatus, including a pair of guide rail sections that face each other and convey a workpiece such as a lead frame in between. The guide rail sections include rail h...
10/24/2000
6012656High efficiency lime/fertilizer spinner spreader machine
A spinner spreader machine has a product conveyor assembly that efficiently and accurately spreads either lime or fertilizer products, or combinations thereof. The versatility of the machine is enhanced with a plurality of conveyor belt assemblies configu...
01/11/2000
5964566Portable drive-over hopper
The invention relates to a portable drive-over grain hopper for use in moving grain. The hopper has an endless chain linkage with laterally extending paddle assemblies spaced therealong. A grain transfer bed extends from a low profile location in position...
10/12/1999
5931311Module handling apparatus and method with rapid switchover capability
An apparatus and method for the rapid switchover between different height modules in an automatic module testing and handling machine. The multi-chip module (MCM) handling apparatus comprises a bottom rail and a guide rail which has an upwardly extending ...
08/03/1999
5895043Device for feeding a conveying apparatus
An arrangement for feeding a conveying apparatus comprising hoppers for flat products such as envelopes, mailing pouches, workpieces and the like, which can be emptied at certain intervals and are secured on a rotatably driven traction element. A device i...
04/20/1999
5855303Wear insert for metering system
A wear insert is provided for an air seeder metering system directing rising air away from product as it is metered from a product tank by the associated metering system. The wear insert has a lip which extends into the outlet of the metering system in or...
01/05/1999
5795124Self-loading material hauler and distributor
A self-loading vehicle for moving cotton modules or bulk materials such as compost or cotton burrs. The vehicle utilizes a chain conveyor system on a tiltable bed. Long conveyor bars or lugs are attached horizontally to the chains to aid in gripping the m...
08/18/1998
5667077Module handling apparatus and method with rapid switchover capability
An apparatus and method for the rapid switchover between different height modules in an automatic module testing and handling machine. The multi-chip module (MCM) handling apparatus comprises a bottom rail and a guide rail which has an upwardly extending ...
09/16/1997
5593019Chain return support
A chain return support suitable for use in an en masse grain conveyor has a track with a pair of angle irons extending lengthwise in the interior of a trough and supported by horizontal cross members bridging two side walls of the trough. The angle irons ...
01/14/1997
5520276Method and apparatus for carrying and locating sheet frame
In order to efficiently carry and locate a plurality of types of sheet frames having different dimensions, it is possible to change and adjust positions of lower guide rails in response to a width of a supplied lead frame in a shorter-side direction (X). ...
05/28/1996
5478064Delivering and stacking short grain forms
Apparatus is provided for preventing a sheet drooping during sheet feeding in a first direction in a generally horizontal plane where a sheet is not entirely supported by a conveyor. A rod is mounted below the plane, having at least one collar with a supp...
12/26/1995
5373878Log conveyor for a scragg mill
An aligning log conveyor for a scragg mill comprising a pair of spaced, parallel runners which extend longitudinally in front of the saws. The runners have sharpened top surfaces which form a "V"-shaped trough therebetween to cradle and to stabilize the l...
12/20/1994
5284238Vacuum conveyor for cans
A rolling can conveyor includes an endless belt path and a flexible belt defining a plurality of openings therein for fluid communication therethrough. The flexible belt is operatively associated with the endless belt path such that the flexible belt is v...
02/08/1994
5238120Machine for sorting graphic and/or printing products
A machine for sorting graphic and/or printing products in which the products are fed one after the other, comprising a framework, a conveyor for receiving individual products one after the other sensors for identifying each of the individual products on t...
08/24/1993
5188497Guide for stack of disk-shaped elements
A guide for a stack of disk-shaped elements, in particular for sheet-metal covers of cans, is provided which is formed of at least one longitudinally elongated profile element with a hollow cylindrical guide surface extending along the entire length of th...
02/23/1993
5174433Self-cleaning en-masse conveyor
A self-cleaning en-masse conveyor comprising an elongated conveyor housing having a removable bottom panel which defines an arc of approximately 90°. Vertically disposed wall sections extend upwardly from the upper edges of the bottom panel and have a li...
12/29/1992
5131724Conveyor pan with keyed deck
A pan assembly for a conveyor line of an armored face conveyor includes an elongated deck plate defining the feed path of the conveyor system and a pair of parallel side members. Spaced keys extend outwardly from the deck plate to fit in corresponding slo...
07/21/1992
5080217Book block transport channel
An improved book block transport channel has adjustable lateral guide members, which define the channel width, and an adjustable skid plate with support finger projections outwardly in two opposed directions. The skid plate support fingers are received in...
01/14/1992
5067607Intermittent feed system
An intermittent feed system for intermittently feeding a plurality of works in two rows in a predetermined direction has a pair of guide rails which extend in the predetermined direction in parallel to each other and spaced from each other in the directio...
11/26/1991
5000438Document feeder with sheet corner control
Apparatus for feeding flimsy sheets of paper or the like, particularly dog-eared or curled edge original documents a sheet corner edge guiding and flattening transverse ribs system 90, 92 is provided. The sheet feeding guide baffle surface has a plurality...
03/19/1991
4982832Ceramic tile conveyor
An improved ceramic tile conveyor is provided having a pair of guide plates extending substantially the length of the conveyor. The guide plates provide an impact barrier protecting the ceramic tile from damage caused by contact with the revolving flights...
01/08/1991
4981207Tracks for conveyor systems
In a conveyor system, there is provided a track having a channel which guides a flexible conveyor chain. The track is made up of a pair of longitudinally-extending extrusions. These extrusions provide a deck at each side of the conveyor track. The two ext...
01/01/1991
4958722Transfer apparatus for lead frame
A lead frame transfer device has a pair of guides and a transfer mechanism. At least one of the guides has a first guide rail adapted for moving in the widthwise direction of a lead frame, a second guide rail which is biased by a biasing mechanism to caus...
09/25/1990
4938339Means for laterally spacing products
A platform includes linear trackways which diverge and then lie in parallel along a given axis, and spaced apart. A plurality of flight bars, equally spaced apart, and lying traverse of the trackways, are movable along the axis and upon the platform. The ...
07/03/1990
4930617Curved conveyor
A conveyor is disclosed which serves for transporting bales of hay or the like material in a curve. It is made up of a frame, having a bale-receiving and a bale-discharging end; of an endless link chain extending between the frame ends and following the c...
06/05/1990
4883322Mining and conveying apparatus
The apparatus for removing stratified outcropped minerals and for transporting these minerals parallel to the mining face or breast comprises a digging portion and a conveyor portion as well as a chain conveyor guided positively in them with digging tools...
11/28/1989
4819788Zero pressure accumulation conveyor and brake assembly
A live roller zero pressure accumulation conveyor and brake assembly are described. The brake assembly includes a rotatable drive shaft surrounded by a tubular torque tube. The drive shaft extends into the torque tube and has a diameter such that the cyli...
04/11/1989
4820144Tile making machines
A tile making machine in which tiles are formed on pallets conveyed in succession through the machine has laterally spaced, longitudinally extending tracks for supporting the pallets. The pallets can be supported at different heights by the provision of a...
04/11/1989
4735304Scraper-chain conveyor channel section
A scraper-chain conveyor channel section comprises a return trough and a conveyor trough. The return trough is constituted by a pair of side walls interconnected by a floor plate. A respective support bar is fixed to each of the side walls of the return t...
04/05/1988
4717012Buffer apparatus for an integrated circuit handler
An output buffer apparatus for an integrated circuit handler comprises a plurality of buffer tracks adapted to slidably contain integrated circuits. The tracks are designed to engage only the body portions of the integrated circuits so as to avoid lead da...
01/05/1988
1    
 
Sign InRegister
Username  
Password   
forgot password?