Celebrity Inventors
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 |
| 8157500 | Forklift tilt direction indicator A device for determining the orientation of a fork on a forklift has an indicating rod adjustably attached to the fork assembly which passes through a electrical contact switch assembly mounted to the cylinder which in turn is rigidly attached to the cylinder of the... | 04/17/2012 |
| 7320385 | Camera lifting apparatus and cargo handling operation aiding apparatus in industrial vehicle and industrial vehicle A camera lifting apparatus is used in an industrial vehicle equipped with a cargo handling apparatus for lifting a cargo carrying carriage up and down along a mast provided on a vehicle body. The carriage has a cargo carrying apparatus. The camera lifting apparatus ... | 01/22/2008 |
| 7283898 | Seating sensor system, failure state detecting method using seating sensor and industrial vehicle with seating sensor system A seating sensor detects whether a seat is occupied by a person. A microcomputer determines whether the seat is occupied by a person based on the output of the seating sensor. If a seating signal indicating that the seat is occupied by a person is supplied continuou... | 10/16/2007 |
| 7276669 | Payload overload control system A work machine may have a payload overload control system. The system may include a payload carrier and a lift mechanism configured to raise and lower the payload carrier. The system may further include a payload monitor configured to determine a payload in the payl... | 10/02/2007 |
| 7258393 | Cab support A working machine includes a frame, a cab arranged on the frame, and a lateral support arranged between the frame and the cab for taking up load from the cab to the frame when lateral displacement of the cab takes place in a direction toward the side on which the la... | 08/21/2007 |
| 7255202 | Truck mounted forklift with double-acting freelift mast A forklift truck for mounting on the rear of a carrying vehicle comprises a u-shaped chassis having a crossbar and a pair of side bars mounted at the ends of the crossbar and projecting forwardly therefrom. A wheel is located adjacent the free end of each of the sid... | 08/14/2007 |
| 7219769 | Industrial vehicle equipped with load handling operation control apparatus A load handling operation control apparatus for an industrial vehicle, which has a load carrying apparatus provided movably on a vehicle body, is provided. A load carrying apparatus 2 is positioned with a load handling target 41, 42 according to its mo... | 05/22/2007 |
| 7195105 | Lift truck A lift truck includes a guide member secured to a mast of the lift truck and a guided member secured to a carriage vertically movable along the mast. The guided member engages with the guide member to resist twisting moments acting on the carriage and enable the car... | 03/27/2007 |
| 7192236 | Shelf stacking machine The invention relates to a shelf stacking machine for stocking and removing paper reels, especially in the printing industry. The shelf stacking machine can be driven in a lane with storage places at both sides. Said storage places receive paper reels which are stac... | 03/20/2007 |
| 7165643 | Industrial truck having increased static/quasi-static and dynamic tipping stability A forward-control counterweight fork-lift truck has a liftable and tiltable load-lifting device (1), a traction drive, operating drives, and a steering drive. A calculation model (D) based on vehicle-specific information is stored in a control device (SE). A ... | 01/23/2007 |
| 7163078 | Hydrostatic drive The invention relates to a hydrostatic drive comprising at least one hydraulic pump (1) and a first and a second hydraulic motor (6, 25), which are respectively connected to said hydraulic pump (1) by means of two service lines (4, 41, 5, 5 | 01/16/2007 |
| 7134527 | Forklift upright assembly A mast apparatus that includes a cross member assembly that permits an operator to see through portions of the assembly is provided. The cross member assembly includes upper and lower horizontal members that are slanted for general alignment with the line of sight o... | 11/14/2006 |
| 7097186 | Industrial vehicle having body structure An industrial vehicle includes a vehicle body, a pair of rear wheels, a rear axle for supporting the rear wheels, a lock cylinder, a counterweight and a coupling portion. The rear axle is supported to be pivotable relative to the vehicle body. The lock cylinder is l... | 08/29/2006 |
| 7086819 | Single lever with button for selectively controlling either tilt or lift of a forklift mechanism In a load handling apparatus for a counterbalance type forklift, a single tiltable operating lever is disposed on a body of the forklift, a mast which is tiltable in an anteroposterior direction is disposed on the forklift, a liftable fork is disposed on the mast, a... | 08/08/2006 |
| 7051832 | Material handling vehicle with dual control handles A material handling vehicle includes first and second control handles positioned at opposing ends of an operator compartment. The first control handle is positioned adjacent the forks for driving the vehicle in a fore or forks first direction, and the second control... | 05/30/2006 |
| 7048082 | Driver's cab for a work vehicle The invention provides a driver's cab for a work vehicle which is provided with a function of effectively transferring an external force applied to a ceiling portion to a pillar without making a structure complex, and can achieve a reinforced structure. In a driver'... | 05/23/2006 |
| 7029226 | Cargo carrying deck for the tractor of a semitrailer truck Cargo carry apparatus (220) for a tractor (500) of a semitrailer truck includes a rotatable deck (222) mounted between the fifth wheel (502) and the cab which pivots from a vertical position to a horizontal position until the deck rests u... | 04/18/2006 |
| 7021885 | Fork lift truck with elastic bearing A fork lift truck is provided having a vehicle frame (1) and a lifting mechanism (6). An axle body (3) of a front axle of the fork lift truck is fastened to the vehicle frame (1) by at least one elastic bearing. The lifting mechanism (... | 04/04/2006 |
| 6981837 | Industrial truck with a tiltable lifting frame An industrial truck has a tiltable lifting frame (2) connected with an axle body (1) mounted so that it can pivot or rotate on a vehicle chassis. To reduce noises, first and second means (4, 5) are provided for connecting the lifting frame (2... | 01/03/2006 |
| 6945745 | Industrial truck with a device for moving a lifting frame An industrial truck has a chassis (1), a lifting frame (5), a load holding device (10) that can move vertically along the lifting frame (5), and at least one movement device to move the lifting frame (5) relative to the chassis ( | 09/20/2005 |
| 6695567 | Hydraulic device for industrial vehicles A hydraulic device for industrial vehicles. A first motor drives a first hydraulic pump and a second hydraulic pump. The first hydraulic pump supplies hydraulic fluid to a power steering device and a brake device. The second hydraulic pump supplies hydrau... | 02/24/2004 |
| 6644910 | Fork lift truck with elastic bearing A fork lift truck is provided having a vehicle frame (1) and a lifting mechanism (6). An axle body (3) of a front axle of the fork lift truck is fastened to the vehicle frame (1) by at least one elastic bearing. The lifting mechanism (6) is connected with... | 11/11/2003 |
| 6543566 | Tractor-mounted forklift A tractor-mounted forklift comprising a first frame having its rearward end secured to the underside of the tractor and having its forward end secured to the forward end of the tractor about a longitudinally extending pivot axis. A second frame is pivotal... | 04/08/2003 |
| 6533076 | Materials handling vehicle mast height sensor A knurled wheel is coupled to a sensor mounted to one mast member and the wheel is forced into another mast member so that the wheel/sensor rotate upon mast movement. The sensor generates signals, corresponding to mast movement, which are processed conven... | 03/18/2003 |
| 6398480 | Fork lift truck The invention relates to a fork-lift truck including a vehicle body which has rear wheels and a lift frame for load-carrying means, and including a wheel bearing means. For an increase in stability in standing of the fork-lift truck, a shifting or pivotin... | 06/04/2002 |
| 6350100 | Tilt control device for forklift A device for controlling tilt of a forklift mast. A fork for carrying an object is supported by the mast so that the fork is lifted or lowered. A tilt cylinder operates to tilt the mast hydraulically. A hydraulic valve supplies oil to the tilt cylinder in... | 02/26/2002 |
| 6296081 | Lift cylinder and mast assembly of forklift An ultrasonic sensor detects whether a piston is at the lowest position. The sensor is not affected by the environment or damaged by contact with other objects. The sensor is located in the bottom of a mast cylinder, transmits ultrasonic waves to the bott... | 10/02/2001 |
| 6269913 | Roller position monitoring device for an industrial lift truck An industrial lift truck with a load lifting device (15), a device (3, 9, 11) for moving the load lifting device (15) on the lift truck (1) having at least one element (7) that can move, together with the load lifting device (15), along an essentially str... | 08/07/2001 |
| 6152676 | Multi-function lever for an industrial truck A multi-function lever for an industrial truck has a lever that can be pivoted around at least a first axis and at least one control element located on the lever. By pivoting the lever around the first axis and by actuating the control element, it is poss... | 11/28/2000 |
| 6099234 | Tractor-mounted forklift A tractor-mounted forklift comprising a first frame having its rearward end secured to the underside of the tractor and having its forward end secured to the forward end of the tractor about a longitudinally extending pivot axis. A second frame is pivotal... | 08/08/2000 |
| 5788452 | Forklift vehicle A forklift vehicle having front wheels mounted on retractible horizontally extending legs which are normally locked in position, by cylinder operated locking pins, to slide plates on the rear frame of the vehicle. To collapse the vehicle, the fork carriag... | 08/04/1998 |
| 5749696 | Height and tilt indicator for forklift truck A tilt and height indicator for a forklift truck including a tape reel connected to the forks of the forklift to sense their relative height. An indicator panel includes plural sets of indicators, with each set indicating when the forks are in a proper pr... | 05/12/1998 |
| 5651658 | Articulated lift truck A self-propelled lift truck comprising a forward carriage assembly, which includes a pair of spaced apart ground engageable wheels and a vertical mast on which is mounted a forwardly projecting fork assembly for lifting and lowering of loads thereon by re... | 07/29/1997 |
| 5641261 | Fork lift truck A fork lift truck having a "lazy tong" or "scissor-like" horizontal motion control system attached to the mast carriage which allows the load carried by the mast to be retracted from forward of the front wheels to between the front and rear wheels and to ... | 06/24/1997 |
| 5482141 | Forklift truck A forklift truck has a chassis structure with at least two sections 11, 12 hinged together for pivotting between an open working configuration and a closed stowage configuration.... | 01/09/1996 |
| 5480275 | Fork lift truck An improved fork lift truck having a scissor-actuated horizontal carriage motion system mounted on a horizontal frame. The carriage motion system providing for selectable positioning in a compact space of a lift assembly between a position forward of and ... | 01/02/1996 |
| 5409346 | Self-loading and unloading forklift truck The chassis of a forklift truck includes a front assembly and a rear assembly which, in certain embodiments, are movable toward and away from each other between an extended stable normal working condition and a contracted compact condition for storage or ... | 04/25/1995 |
| 5399059 | Overhead support frame assembly for vehicle An overhead support frame assembly provides enhanced strength for an attachment for the vehicle or the like, and features minimum obstruction of vision from the driver station. The frame assembly has a pair of laterally spaced frame units; each including ... | 03/21/1995 |
| 5380140 | Mobile material handling apparatus for transporting and manipulating a load and methods for using same A material handling apparatus and methods for transporting and manipulating headstones are provided. The apparatus consists of a mobile carrier having a frame and a bed member pivotally attached thereto that is adapted to carry and support a headstone the... | 01/10/1995 |
| 5374156 | Carriage assembly and side shift system for a lift truck A carriage assembly, 20h for a lift truck upright assembly, 12, has pivotally mounted forks, 30, controlled by hydraulic cylinders, 36, that are operated by side shifter circuit, 110, having a single operator control, 124, for manipulating the forks in un... | 12/20/1994 |
