21
William R Gaiser, James Niepoky: Parison ejector for an injection molding apparatus. The Broadway Companies, Biebel French & Nauman, November 1, 1983: US04412806 (33 worldwide citation)

A parison ejector is used in combination with an injection molding apparatus of the type for molding parisons having an injector portion including a plurality of mold cavities communicating with a source of molten plastic material, an ejector portion for engaging the injector portion which includes ...


22
Robert M Empey: Hopper gate for self-unloading ships. Allis Chalmers Corporation, Robert C Sullivan, January 25, 1977: US04004700 (33 worldwide citation)

A belt feeder gate for use in self-unloading ships of the type in which the hold of the ship is provided with a hoppered bottom including a plurality of hoppers overlying an unloading conveyor belt moving lengthwise of the ship. Each open hopper bottom is closed by a gate comprising two wheeled gate ...


23
Christopher J Greenwood: Hydraulic control circuits for continuously-variable-ratio transmissions. Torotrak, Davis Bujold & Streck, February 25, 1992: US05090951 (33 worldwide citation)

A hydraulic control valve for a continuously-variable-ratio transmission (CVT), particularly one of the toroidal race rolling traction type. The transmission includes hydraulically-operated clutches (25,26) whose capacity to transmit torque varies with the operating pressure supplied to them. The tr ...


24
Ralph S Tufenkian, Raul S Caballero: Bin lifting mechanism. Western Waste, Noel F Heal, October 18, 1988: US04778327 (33 worldwide citation)

A truck-mounted lifting mechanism is provided for loading containers, such as waste bins, on a truck so that the container can be positioned where its weight will be reasonably distributed between the front and rear wheels. The lifting mechanism includes a track extending along the length of the tru ...


25
W Keith Moffatt, Billy J Bauscher, Richard Alan Zwicky Jr: Portable battery powered crimper. Greenlee Textron, Trexler Bushnell Giangiorgi & Blackstone, March 17, 1998: US05727417 (32 worldwide citation)

A hydraulic drive tool such as a crimping apparatus which includes a crimp head assembly and a body portion which are arranged in an axially elongated configuration to balance a grip area of the apparatus along the center of gravity of the apparatus. The crimping apparatus includes a hydraulic drive ...


26
Michel Armand: Hydraulically controlled self-contained multifunctional tool such as shears/separator. Hydr Am, Wall and Roehrig, December 28, 1993: US05272811 (32 worldwide citation)

A hydraulically controlled self-contained multi-functional hand tool including a hydraulic ram portion with a rod that activates two blades or arms. The blades articulate about a common pin and are mounted on a fork joint which is securely fixed to the body of the ram. Opening and closing of the bla ...


27
Arlen J Ostreng: Aluminum/steel can separator and baler. Williamson Bains Moore & Hansen, November 20, 1984: US04483248 (32 worldwide citation)

The recycling machine is provided with a baling chamber having a cyclable hydraulic ram. The ram cycles continuously, and each time it retracts, no more than a predetermined number of cans are admitted to the baling chamber for crushing and adding to the bale therein. A counting mechanism is provide ...


28
Percy Fretwell: Vehicles and vehicle lifts. Ricon, October 19, 1993: US05253973 (31 worldwide citation)

A lift for attachment to a vehicle for moving mobility-impaired passengers between lowered and raised positions for entry and exit. A platform (27) is affixed to an unequal modified parallelogram structure (20), the combination being supported on movable rails (40,41) and carried by rollers (90, 91) ...


29
Daniel E Williams, Mark D Morris: Semi-active suspension system with energy saving. TRW, Tarolli Sundheim & Covell, March 24, 1992: US05098119 (31 worldwide citation)

A semi-active suspension system having a linear actuator operatively connected between a sprung mass and an unsprung mass of the vehicle for each corner of the vehicle. An accumulator connected to the actuator through an electrically controlled valve. An actuatable fluid RAM is in fluid communicatio ...


30
Jeffrey T Bayorgeon, Dirk J Vandalen, Pierre N Legrand: Apparatus for reforming and straightening vehicles. Applied Power, Robert L Lindgren, Edward D Gilhooly, Davis Chin, October 25, 1977: US04055061 (31 worldwide citation)

An apparatus for reforming and straightening damaged bodies and frames of vehicles whereby corrective forces are applied to the vehicle through one or more elongated force transmission elements. A force is imposed on the elongated elements respectively by means of a uniquely mounted hydraulic ram wh ...



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