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| Number | Title | Issue Date |
| 6976740 | Ball screw hoist system for vehicle A vehicle is disclosed which includes a chassis and a body pivotally secured to the chassis at a hinge. A hoist system is provided which extends between the body and the chassis for pivoting the body about the hinge between a storage position and a range of dumping ... | 12/20/2005 |
| 6561589 | Dual acting truck hoist A dual acting underbody truck bed hoist is provided which exhibits increased lifting efficiency and safety. The hoist, in some embodiments, further includes an alignment of its various pivots and booster arm so as to maximize the height achieved during in... | 05/13/2003 |
| 6543856 | Dual acting truck hoist with safety latch A dual acting underbody truck bed hoist is provided with a self-latching mechanism for preventing rebound if a maneuver is attempted by the truck operator to jar hung up dirt from the bed when raised. The hoist further includes an alignment of its various... | 04/08/2003 |
| 6186596 | Truck hoist A hoist for raising and lowering a truck bed to and from a truck frame is provided which utilizes a lever to accomplish initial lift and to further position the hydraulic cylinder at a more efficient angle for completion of the lift process. The hoist fur... | 02/13/2001 |
| 5513901 | Hoist mechanism A hoist mechanism including a hoist subframe, a body subframe, a dump linkage pivotally coupling the body subframe to the hoist subframe such that the body subframe pivots about an instant center which moves continuously as the body subframe pivots and an... | 05/07/1996 |
| 5509724 | Multiple axle quarter frame end dump trailer A quarter frame end dump trailer has one or more resilient members placed in its drag link in order to permit the use of an air ride suspension in a tandem axle, spread axle or other multiple axle configuration.... | 04/23/1996 |
| 5465808 | Elevating system An elevating system elevates a payload platform between a first position and a second position, such elevating system having a stowed position, an operational position, and a fully-deployed position. The elevating system includes an extendable actuator ro... | 11/14/1995 |
| 5460431 | Double tapered trailer for a dumping vehicle A trailer for a dumping vehicle having a front and a rear for unloading of materials. The trailer includes a tapered bottom floor extending between the front and the rear, the bottom floor at the rear being wider than at the front. A pair of opposed sidew... | 10/24/1995 |
| 5403238 | Amusement park attraction An amusement park attraction having a dynamic ride vehicle for executing a sequence of distinct motion patterns and for providing unique ride experiences in the amusement park attraction or other environment. The ride vehicle includes a movable chassis an... | 04/04/1995 |
| 5067774 | Cone shaped inflatable bag for lifting a load An inflatable bag (17) for use in exhaust powered tippers is constructed from blanks of flexible air tight material using a side wall template (10) and end wall templates (11, 12). The blanks are made so that the finished bag when fully inflated assumes a... | 11/26/1991 |
| 4796941 | Tree transport trailer An improved tree transport trailer (10) which is adapted for use with hydraulic tree spades without additional jacks or reinforcement, comprises a frame (12) and a plurality of carriers (34 and 36) mounted for pivotal movement about offset axes (40, 44) b... | 01/10/1989 |
| 4613274 | Self-loading dump truck A self-loading dump body truck comprising a vehicle having a frame, first and second cross members mounted on the frame, the first cross member being positioned near the rear of the vehicle and the second cross member being positioned forwardly of the fir... | 09/23/1986 |
| 4608725 | Litter retrieving machine An apparatus for collecting litter from roadways and grounds includes a ground engageable rotating drum with easily removable and replaceable fingers which slip in and out of channels mounted on the drum. A spring finger assembly rotates against the drum ... | 09/02/1986 |
| 4572579 | Dump apparatus A dump apparatus comprising a base frame removably mounted on a rear body of a truck etc., a loading box rotatably mounted on the base plate, an inflatable bag provided between the loading box and the base plate and a hose for feeding exhaust gas from an ... | 02/25/1986 |
| 4266486 | Rail car door linkage A door linkage for a side dump railroad car operable to automatically lower the door on the low side of the car when the car body is tilted to dump its contents thereof.... | 05/12/1981 |
| 4071274 | Pivotal and detachable truck body system A system for removably and pivotally securing a truck body onto the bed of a truck is provided in which the truck body is automatically locked to the bed of the truck as the truck body is lowered onto the truck bed. The system comprises a plurality of gui... | 01/31/1978 |
| 4046423 | Lifting members for truck bodies and similar units A generally rectangular lifting stabilizer arm is pivotally connected on opposite sides at one end thereof between a pair of stationary truck frame members and is movably connected on the outer free end by a pair of slide track type connections to opposit... | 09/06/1977 |
