Patents Assigned to Teledyne Princeton, Inc.
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Patent number: 6024535Abstract: A forklift having a frame supported by front and rear wheels is mounted on a carrier by inserting its forks into pockets mounted on the frame of the carrier vehicle and lifting the wheels of the forklift off the ground. A pair of wheel abutments on the underside of the carrier serve as abutments for the front wheels of the forklift to prevent its forward movement. A combined lock and support structure connected to the frame of the carrier prevents separation of the forklift from the carrier after the hydraulic system of the forklift is neutralized and all pressure on the forks, carriage, and mast are relieved of support forces.Type: GrantFiled: August 27, 1998Date of Patent: February 15, 2000Assignee: Teledyne Princeton, Inc.Inventors: William R. Dubosh, John R. Mauck, Paul W. Neagle, Lonnie A. Wilson
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Patent number: 5813820Abstract: A forklift having a frame supported by front and rear wheels is mounted on a carrier by inserting its forks into pockets mounted on the frame of the carrier vehicle and lifting the wheels of the forklift off the ground. A pair of wheel abutments on the underside of the carrier serve as abutments for the front wheels of the forklift to prevent its forward movement. A combined lock and support structure connected to the frame of the carrier prevents separation of the forklift from the carrier after the hydraulic system of the forklift is neutralized and all pressure on the forks, carriage, and mast are relieved of support forces.Type: GrantFiled: September 20, 1996Date of Patent: September 29, 1998Assignee: Teledyne Princeton, Inc.Inventors: William R. Dubosh, John R. Mauck, Paul W. Neagle, Lonnie A. Wilson
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Patent number: 5575604Abstract: A forklift having a frame supported by front and rear wheels is mounted on a carrier by inserting its forks into pockets mounted on the frame of the carrier vehicle and lifting the wheels of the forklift off the ground. A pair of wheel abutments on the underside of the carrier serve as abutments for the front wheels of the forklift to prevent its forward movement. A combined lock and support structure connected to the frame of the carrier prevents separation of the forklift from the carrier after the hydraulic system of the forklift is neutralized and all pressure on the forks, carriage, and mast are relieved of support forces.Type: GrantFiled: April 26, 1995Date of Patent: November 19, 1996Assignee: Teledyne Princeton, Inc.Inventors: William R. Dubosh, John R. Mauck, Paul W. Neagle, Lonnie A. Wilson
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Patent number: 5174415Abstract: A fork lift truck takes less storage space when its support wheels are raised from operative position to storage position parallel with the mast of the truck. To further minimize the space taken up by the stored truck, the rotation of the wheels upward to inoperative position uses a camming surface which also telescopingly cams the wheel and support arms inward toward the mast.Type: GrantFiled: December 16, 1991Date of Patent: December 29, 1992Assignee: Teledyne Princeton, Inc.Inventors: Paul W. Neagle, William R. Dubosh, John R. Mauck
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Patent number: 4999902Abstract: This invention incorporates a unique process for alignment of a reciprocable frame between the shafts of the mast of a fork lift. By using a shim having a thickness of about one-eighth inch between the inside surfaces of the shafts and the edges of the frame, guide rollers on the outside of the shafts can be adjusted to hold the frame in alignment. Guide roller adjustment is accomplished by mounting the rollers on eccentrics which are adjusted after the shim is in place. After adjustment the rollers are locked in place. Then after the shim is removed the rollers inherently align the frame between the vertical shafts.Type: GrantFiled: March 2, 1990Date of Patent: March 19, 1991Assignee: Teledyne Princeton, Inc.Inventors: Kenneth E. Schumacher, Thomas K. Thompson
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Patent number: 4986387Abstract: A fork-lift truck supported by two front wheels and a rear wheel carried by a dolly assembly. The dolly assembly is pivoted for movement about a vertical axis and a rack and pinion unit is provided to control the pivoting for steering with the rear dolly wheel. Hub units are provided in each wheel that include a hydraulic motor and an axially aligned torque hub to obtain the desired traction for each wheel.Type: GrantFiled: August 7, 1989Date of Patent: January 22, 1991Assignee: Teledyne Princeton, Inc.Inventors: Thomas K. Thompson, Jack R. Mauck
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Patent number: 4921075Abstract: A fork lift truck includes a generally U-shaped frame having a pair of hydraulic driven wheels on the front end and a caster on the back end. A mast projects upwardly from the frame and is designed to move between the forward end of the vehicle and a retracted position behind the front wheels. A carriage is mounted on the forward end of the mast and reciprocates upwardly and downwardly on the mast in response to chains connected to a hydraulically driven piston which is mounted on the mast.Type: GrantFiled: February 21, 1989Date of Patent: May 1, 1990Assignee: Teledyne Princeton, Inc.Inventors: Kenneth E. Schumacher, Thomas K. Thompson
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Patent number: 4828040Abstract: A mobile automatic sod harvesting apparatus of the type which severs a sod strip from the ground parallel to the direction of travel, cuts the strips into sod pads of predetermined length and conveys the sod pads rearwardly toward a sod stacking and unloading station is disclosed which features a side unloading configuration to permit a pallet loaded with sod pads to be unloaded laterally of the direction of travel of the apparatus. The side unloading feature is further characterized by a lift fork assembly slideably mounted for horizontal displacement at right angles to the path of travel of the harvesting apparatus. The lift fork assembly which supports a sod receiving pallet is vertically movable at adjustable height to aid stacking the pallet with sod pads and for depositing a loaded pallet onto the ground upon horizontal extension of the lift assembly at a right angle to the path of travel of the apparatus.Type: GrantFiled: July 30, 1987Date of Patent: May 9, 1989Assignee: Teledyne Princeton, Inc.Inventor: Kenneth Schumacher