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Ballistic resistant body covering
A ballistic resistant body covering for protecting the torso, groin and neck area from ballistic missiles.
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| Number | Title | Issue Date |
| 7007447 | Actuator device with a multi-chamber housing An actuator device self-contained within a housing and adapted to move an object. The actuator device includes a movable piston positioned in a cylinder portion of the housing. The cylinder portion defines a longitudinal axis, whereby the piston is movable along the... | 03/07/2006 |
| 6837140 | Control system and method for hydraulic working machine The present invention relates to a control system and method for a hydraulic working machine characterized by having a construction wherein a flow discharge control valve is disposed in a discharge-side pipe line of a main flow control valve, the amount of operation... | 01/04/2005 |
| 6681818 | Hydraulic circuits for tree-harvesting knuckle booms The two boom members and hydraulic cylinders of a knuckle boom tree harvesting machine are so arranged and proportioned that with a single control movement during reaching and retracting actions the working tool head is made to travel in an approximately ... | 01/27/2004 |
| 6467262 | Emergency hydraulic control for a clutch arranged between an internal combustion engine and a gear box A hydraulic emergency control (10, 10a, 10b, 10c) for a hydraulically actuated clutch (14) arranged between an internal combustion engine (12) is proposed. A pump (16) driven by the internal combustion engine (12) feeds a work line (18) in which a choke (... | 10/22/2002 |
| 6443196 | Hydraulic circuits for tree-harvesting knuckle booms The two boom members and hydraulic cylinders of a knuckle boom tree harvesting machine are so arranged and proportioned that with a single control movement during reaching and retracting actions the working tool head is made to travel in an approximately ... | 09/03/2002 |
| 6295746 | Method and apparatus for controlling movement of a work implement A method and apparatus for controlling movement of a work implement movably connected to a work machine. Movement of the work implement is controlled by manual and automatic control valves that are associated with "manual" and "automatic" modes of operati... | 10/02/2001 |
| 6260467 | Hydraulic circuit providing plural swing rates in an earthworking construction machine A construction machine, e.g., a backhoe, has a chassis and a digging tool mounted for movement, e.g., swinging movement, with respect to such chassis. A machine hydraulic circuit includes a pump, a hydraulic actuator coupled to the tool for tool movement,... | 07/17/2001 |
| 5669280 | Hydraulic control apparatus A hydraulic control apparatus for a hydraulically operated vehicular transmission has control valves corresponding to hydraulic engaging elements provided in the transmission. The supply and discharge of hydraulic oil to and from the corresponding hydraul... | 09/23/1997 |
| 5615991 | Variable priority device for heavy construction equipment A variable priority device for heavy construction equipment for establishing a priority of the boom over the bucket by limiting an amount of fluid passing through a bucket-side parallel fluid line when the boom operates alone and thereby decreasing the am... | 04/01/1997 |
| 5400693 | Brake pressure booster A brake pressure booster for a vehicle brake system comprises a vacuum booster which includes two chambers, the low pressure chamber (16) of which is evacuated during actuation in a brake pressure boosting fashion, while a pressure higher than that in the... | 03/28/1995 |
| 5131227 | Priority arrangement and method for a fluid handling system A prioritizing method and arrangement for a hydraulic system including two independent hydraulic fluid supply units (4, 5) adapted to jointly and severally supply hydraulic fluid to at least two hydraulic components (2, 3). A cross-communication between t... | 07/21/1992 |
| 5020322 | Accumulator blow-back hydraulic circuit A blow-back circuit (10) comprising an accumulator (23) to build up system pressure during normal system operation and an accumulator shut-off valve (13) which prevents dissipation of the accumulator pressure during normal operation. Pressurized fluid is ... | 06/04/1991 |
| 4955195 | Fluid control circuit and method of operating pressure responsive equipment A fluid control circuit and method of operating equipment such as a blowout preventer having a two-way hydraulic piston and cylinder assembly. The circuit includes various features such as a dual pressure level independently controlled fluid supply, a ded... | 09/11/1990 |
| 4827830 | Chassis towveyor cart A towveyor cart for use in hoisting an object and in particular an object having first and second interconnected portions from a first level to a fully raised level. The towveyor cart has control means which include a main control valve for simultaneously... | 05/09/1989 |
| 4824181 | Pressure activated isolation valve An iosolation valve usable with an adaptive braking/traction control system comprising a plurality of passages adapted to communicate to a variety of pressure sources and an outlet port adapted to communicate to at least one brake cylinder. A valve movabl... | 04/25/1989 |
| 4779836 | Valve arrangement for controlling a pressure medium flow through a line of pressure medium Valve arrangement in a line with pressure medium used as supply and return line, said valve arrangement being intended for controlling the flow through said line and comprising a valve body with a first and a second valve port which serve, alternately, as... | 10/25/1988 |
| 4759256 | Tensioner recoil control apparatus Apparatus for controlling fluid communication with a fluid pressure system includes parallel flow paths connected to the system. A first flow path includes first valve apparatus for selectively closing the flow path. The second flow path includes relief v... | 07/26/1988 |
| 4757835 | Change-over valve for hydraulic walking mine-roof supports A change-over valve for hydraulic walking mine-roof supports comprises a valve housing containing a sealed-off operating piston in which a valve member supported on a helical spring is displaceably arranged, the piston being responsive to the supply of sm... | 07/19/1988 |
| 4706930 | Valve arrangement for use with a hydraulic accumulator A valve arrangement for connecting a hydraulic machine, such as a pump or a motor, with a pressure accumulator in which a conventional manual shutoff valve is replaced by a leak-proof pressure controlled valve whose operating pressure signal is supplied b... | 11/17/1987 |
| 4647004 | Pneumatic-hydraulic actuator system An actuator system is disclosed which modulates a linear output shaft associated with a working control valve or the like in response to a control signal input. The system includes a feedback control link, a pneumatic positioner, a pneumatically controlle... | 03/03/1987 |
| 4633757 | Brake booster A brake booster can switch operating mode from a positive-pressure mode using a signal-controlled fluid pressure supplier to a vacuum-pressure mode and vice versa. The booster includes a booster converter holding both an air valve and a vacuum valve of th... | 01/06/1987 |
| 4454715 | Fluid control system A fluid control system (10) has a first fluid pump (12) for supplying pressurized fluid in interrupted series to first and second work elements (14,16). The first work element (14) in the series has priority which prevents simultaneous full power operatio... | 06/19/1984 |
| 4437461 | Valve respirator device A valve respirator device for use both on human and on animal patients. The device comprises a housing having an inport, an outport and an exhaust port. The outport is connected to the patient's respiratory system, the inport is connected to a source of a... | 03/20/1984 |
| 4420934 | Automotive vehicle hydraulic system A hydraulic system is disclosed for use in an automotive vehicle including an engine, a power steering gear, and a brake booster. The system includes a single engine driven pump in fluid communication with first and second fluid flow control means. The fi... | 12/20/1983 |
| 4406212 | Hydraulic apparatus Hydraulic apparatus (7), for use where a hydraulic actuator (42) is powered by a first hydraulic supply (40) or selectively and alternatively by a second hydraulic supply (41) independent of the first, which, when a fault occurs, will establish whether th... | 09/27/1983 |
| 4376612 | Earthworking machine of the loader type The invention relates to a hydraulic loader comprising a boom, a balance beam and a bucket for loading material, boom jacks and balance beam jacks being coupled between the frame and the boom and between the boom and the balance beam. A secondary jack is ... | 03/15/1983 |
| 4373698 | Shutoff valve actuator remote control system A shutoff valve actuator remote control system includes a main control apparatus and a duplicating control apparatus connected therewith. The duplicating control apparatus comprises a self-contained power source in the form of a gas generator with an igni... | 02/15/1983 |
| 4343151 | Series - parallel selector for steering and implement Prior art interrupted series type load sensitive hydraulic systems have not had the capability of both providing full speed simultaneous vehicle cornering and implement correction while preventing the same when the implements are operating at a high press... | 08/10/1982 |
| 4317557 | Emergency blowout preventer (BOP) closing system A blowout preventer control system for use in well operations includes a BOP having at least one opening chamber and at least one closing chamber, and an operating power fluid source connected to the BOP opening and closing chambers by an opening conduit ... | 03/02/1982 |
| 4215844 | Valve actuator system A pneumatic-hydraulic proportional valve actuator system is provided having a relatively simple and adjustable means of achieving two stroking speeds by the hydraulic actuator, high speed in normal operation and low speed for small position adjustments an... | 08/05/1980 |
| 4179981 | Device for sequentially supplying several hydraulic motors A fluid supply circuit for supplying three motors includes means for sequentially connecting two of the motors to the supply conduit of the third motor as the pressure in the supply conduit rises through first and second threshold levels. The circuit incl... | 12/25/1979 |
| 4145886 | Tank supply fail safe A sealed tank normally receiving air under pressure is connected with respect to a shuttle valve so that when there is an accidental loss of pressure, the air in the tank moves the valve to a position where the high pressure in the tank is applied to an i... | 03/27/1979 |
| 3986689 | Drive arrangements for aircraft control surfaces A drive arrangement for an aircraft control surface has an inner shaft extending through a hollow outer shaft. The inner and outer shafts are drivingly connected at their adjacent ends. A drive input is coupled to the outer shaft intermediate the ends the... | 10/19/1976 |
