Glam girl Heddy Lamar may have used her good looks to good effect on the silver screen, but she put her smarts to better use as an inventor. During World War II, she co-patented a frequency-switching system for torpedo guidance that was considered years ahead of its time.
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| Number | Title | Issue Date |
| 7784604 | Linear vibratory conveyor Vibratory linear conveyor that includes a utility weight and a counterweight that can be vibratingly moved in opposing directions via a drive unit, the drive unit being coupled to the utility weight and to the counterweight and being arranged in a receiving chamber ... | 08/31/2010 |
| 7735633 | Vibratory feeder A vibratory feeder for delivery of material in different directions comprising a set of vibrators that are vibrationally isolated from each other to enable activation of one of the vibrators to vibrationally direct conveyable material in a first direction and activa... | 06/15/2010 |
| 7497324 | Conveyor system for two or more troughs A right angle conveyor has a first trough and a second trough to move product by reciprocating motion with the second trough at an angle to the first trough. Rocker arms and corresponding reactor springs joined to a chassis form the first and second troughs. The fir... | 03/03/2009 |
| 7252189 | Method for aligning laminated electronic parts in desired orientation and alignment device therefor A method and device for aligning orientation of laminated planer electrodes in laminated electronic parts when the parts are conveyed on a transport passage of a parts feeder. A magnetic field generation unit is disposed beside and outside of the parts feeder for ap... | 08/07/2007 |
| 7228957 | Slip conveyor assembly A slip conveyor assembly (10) having a plurality of slip conveyors (11 to 16). Each slip conveyor (11 to 16) has a tray (18) providing a conveyor surface (20) along which product is delivered. The trays (18) ar... | 06/12/2007 |
| 7219792 | Article carrying apparatus An article carrying apparatus for carrying, in a carrying direction, an article placed on a carry face of a carry section making use of a vibration, includes: the carry section provided with the carry face of which the carrying direction is linearly restricted; and ... | 05/22/2007 |
| 7210598 | Authomated pill-dispensing apparatus An under-counter portable automatic pill-dispensing apparatus includes a double array of storage units for storing pills in bulk, a retriever between the two arrays for retrieving selected storage units, and a pill-dispensing module for unloading pills into a vial. ... | 05/01/2007 |
| 7192341 | Vibrating conveyor and coin processor device A vibrating conveyor 1 for conveying coins using vibration, comprising: a conveyor plate 11 to be loaded with coins to convey the coins loaded thereon by relatively moving the coins; vibration generator means 20 for vibrating the conveyor plate ... | 03/20/2007 |
| 7185756 | Discharge device for worked material A discharge device for worked material is provided. The worked material produced by the press working is received on a chute arranged just below a lower die. The chute is driven to make a reciprocating motion within a substantially horizontal plane in response to a ... | 03/06/2007 |
| 6991091 | Flat stroke bi-directional conveyor A flat stroke bi-directional conveyor for conveying object, granular and powder material. The unit utilizes the skewed sine wave trough stroke principle using primary eccentric counterweights wheels driven by a motor running at the secondary speed and equipped with ... | 01/31/2006 |
| 6948611 | Vibratory conveying apparatus adapted to be driven by accumulatively phased rotating eccentric weights A circular vibratory conveying apparatus for conveying material. The apparatus includes a bed on which material is conveyed, a counterbalance supported on a plurality of isolation springs, a plurality of inclined drive springs extending between the bed and the count... | 09/27/2005 |
| 6827201 | Vibratory feeder for transporting objects in a curved path A bidirectional vibratory feeder for transporting objects in a curved path has a trough assembly including an elongated, generally horizontal bed defining the curved path, and a center of gravity. Resilient isolators are connected to the trough assembly and adapted ... | 12/07/2004 |
| 6298978 | Reversing natural frequency vibratory conveyor system The present invention relates to a mechanical vibrating drive system for supplying a consistent, elliptical driving force to a conveyor trough. In a preferred embodiment of the invention, the vibrating conveyor has a set of vertical leaf springs connectin... | 10/09/2001 |
| 6269940 | Reversing conveying brute force vibratory feeder The present invention relates to a mechanical vibrating drive system for supplying a consistent, elliptical driving force to a conveyor trough. In a preferred embodiment of the invention, the vibrating conveyor has three parallel shafts, the intermediate ... | 08/07/2001 |
| 6155404 | Vibratory conveyors A two-way drive for horizontally vibrating a feeder bed, including a reversible drive rotating one of two drive shafts rotatably connected so that the second drive shaft rotates at a speed which is a selected ratio (at least 2:1) of the speed of rotation ... | 12/05/2000 |
| 6145652 | Vibrating conveyor system with sliding eccentric weights A vibrating conveying system having a plurality of rotating shafts and associated eccentric weights uses a sliding eccentric weight or weights mounted on one or more driving shafts to reverse the movement of the articles carried by the conveyor. The slidi... | 11/14/2000 |
| 6029796 | Two way vibratory conveyor Drive motor size and energy costs are reduced in a bidirectional vibratory conveyor that includes a bed (10) with an elongated generally horizontal conveying surface (16) terminating an opposite ends (12, 14). Isolation springs (26) mount the bed (10) abo... | 02/29/2000 |
| 5934446 | Bi-directional vibratory conveyor Bearing failure and noise generation problems of prior art vibratory conveyors are eliminated in a construction including a trough 10 having an elongated, generally horizontal conveying surface 18 with opposed ends 14, 16. Resilient slats 20 mount the tro... | 08/10/1999 |
| 5713457 | Two-way vibratory feeder or conveyor Bearing failure and noise generation problems of prior art, vibratory feeders are eliminated in a construction including a bed (10) having an elongated, generally horizontal feeding or conveying surface (56) having opposed ends (52) and (54). Spaced resil... | 02/03/1998 |
| 5314058 | Vibratory drive unit A bidirectional vibratory drive unit is disclosed for use with vibratory driven feeder bowls and parts separators, including a base member having first and second pluralities of lower spring mount pads and a top member having corresponding first and secon... | 05/24/1994 |
| 5178259 | Vibratory conveying apparatus A vibratory conveying apparatus including a material carrying member having a material supporting surface is disclosed. The apparatus includes first and second vibrators for producing first and second vibratory forces for imparting movement to the materia... | 01/12/1993 |
| 5064053 | Vibratory drive system for a vibratory conveyor apparatus and a conveyor apparatus having same A vibratory drive system for a vibratory conveyor apparatus is operable to selectively vary the conveying speed of the conveyor apparatus between zero, or stand-still, up to a maximum speed while the drive system is operating imparting a vibratory conveyi... | 11/12/1991 |
| 5042643 | Elliptic vibratory part-feeding device In an elliptic vibratory part-feeding device which includes a feeder bowl in which a spiral track is formed; a first spring for supporting the feeder bowl so as to be vibratile in a horizontal direction; a first electro-magnet for exciting the feeder bowl... | 08/27/1991 |
| 4944381 | Multi-directional vibratory conveyor A multi-directional vibratory conveyor is disclosed which includes a vibratory base plate which supports a plurality of fingers that project through holes in an alignment grill and in an adjustable grill. An article supported on the fingers is moved recti... | 07/31/1990 |
| 4775516 | Apparatus for monitoring the carbon content of boiler flue ash A carbon-in-ash monitor uses a fluidized bed furnace to burn any carbon in sampled boiler flue ash and evolve carbon dioxide therefrom. Fluidizing gas (air) is provided to the bed a measured flow rate and a batching arrangement feeds successive batches of... | 10/04/1988 |
| 4354618 | Braking method and apparatus for vibratory feeder A material dispensing apparatus including drive structure for driving a feeder bowl is disclosed. A control circuit for controlling the drive includes a Hall effect amplitude sensing transducer for monitoring the magnitude of bowl vibrations and a braking... | 10/19/1982 |
| 4241769 | Vibrating conveyor for use with packaging apparatus A vibrating conveyor (10) is disclosed. The conveyor (10) includes a conveying table (14) and a frame (12) for supporting the table (14) for vibratory motion. The table (14) has an inlet area disposed generally in the middle of the table (14) for receivin... | 12/30/1980 |
| 4152255 | Vibratory material handling apparatus including screens The invention relates to vibratory material handling apparatus and more particularly to a dual exciter system derive for vibrating the apparatus wherein the exciters are positioned on either side of the center of gravity of the apparatus and direct vibrat... | 05/01/1979 |