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7793980 |
Retractable steering mechanism
A retractable steering mechanism includes a steering wheel, a steering column connected to the steering wheel, a telescopic device connected to steering column, a connector for connecting the...
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7475542 |
Pyrotechnic actuator furnished with a pressure regulator member
The invention relates to a constant force pyrotechnic actuator comprising a pyrotechnic gas generator, a body, a piston capable of moving in the said body under the effect of the gases emitted by...
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7051528 |
Autonomous gas powered ram
The present invention provides an autonomous ram that comprises a first body having a first internal cavity and a first piston mounted therein. The first piston is attached to an actuator for...
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6996987 |
Tools for securing connectors using explosive charges and methods for using the same
A tool for securing a connector on a conductor using an explosive charge includes a first tool member, a second tool member, a drive member, a lock member and a limiting member. The second tool...
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6959548 |
Adjustable pyrotechnic-gas shock absorber
The technical field of the invention is that of motor vehicle safety involving energy absorption systems for damping the displacement of certain parts that are put into motion at the time of a...
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6942261 |
Linear actuator with an internal dampening mechanism
A linear actuator with an internal dampening mechanism is disclosed. The actuator has a housing has a first end and a second end and forms an internal chamber. A constricted opening is also added...
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6871500 |
Gas operated contraction drive
A gas operated contraction drive with a contractible hose, which undergoes longitudinal contraction when a working space defined by it is subjected to a pressurizing drive gas. The contractible...
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6755020 |
Shockproof mechanism, in particular for use in space sector
The invention concerns a device forming a mechanism, in particular for use in the space sector, characterised in that it comprises in combination: a material (300) with low melting point capable of...
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6712394 |
Belt tensioner
A tensioner for a safety belt includes a cylinder, a piston which is slidably arranged within the cylinder, and a traction transfer element which is connected with the piston to transfer a movement...
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6629486 |
Resettable separation nut with a low level of induced shock
The technical field of the invention is that of devices for connecting and separating objects such as microsatellites with respect to a structure. More specifically, the invention relates to a...
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6568184 |
Pyrotechnic actuator
A pyrotechnic actuator 10 contains a tapered piston 30 that is first propelled through a chamber 18 upon actuator 10 operation. A narrower portion 38 of the piston 30 initially enters an annular...
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6532739 |
Pretensioner
An improved pretensioner which achieves more stable operation and reduction in power loss. The pretensioner includes a gas generator, a pipe containing a plurality of balls and a piston, and a...
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6363722 |
Pretensioner with gas escape mechanism
To provide a pretensioner with further improved safety of the device, wherein gas is appropriately allowed to escape in the event that the gas pressure within the pipe rises excessively. A...
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6301892 |
Electric ignition type gas generation apparatus
An electric ignition type gas generation apparatus for use in a vehicle crash safety system includes an ignition section that is ignited by an electric signal produced by the impact of a crash, and...
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6299211 |
Tensioner for a safety belt
A tensioner for a safety belt has a piston/cylinder unit, which comprises a cylinder and a piston arranged in its interior, a compressed gas source, on the activation of which the piston is...
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6155727 |
Buckle tensioner
A buckle tensioner for a belt buckle arranged adjacent to a vehicle seat includes a piston/cylinder unit with a cylinder having an interior and with a piston arranged in the interior, and an...
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6094913 |
Belt tightener for a safety belt system
A belt tensioner, more particularly a buckle tensioner for a vehicle occupant restraint system comprises a housing, a gas generator, a working space (15) into which the pressurized gas released in...
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6024383 |
Energy converter in a restraining system for vehicle occupants
In an energy converter in a restraining system for vehicle occupants a particularly smooth profile of the force as a function of the travel is achieved in that a plastic deformation of a tubular...
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5956954 |
Linear drive for a belt tensioner
A linear drive for a belt tensioner comprises a pyrotechnic propellant charge, a cylinder tube and a piston displaceably arranged therein. The propellant charge, upon ignition, provides a...
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5582010 |
Pyrotechnic device for the pressurization of a hydraulic circuit
A device with a pyrotechnic gas generator wherein gas pressurizes a hydraulic circuit via a cartridge-case base, a spring and a pressure piston. The pyrotechnic gas generator comprises a propellant...
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5538172 |
Explosive powder charge operated setting tool
An explosive powder charge operated setting tool contains a channel (7) located between an inner piston guide (2) for a piston (1) and an outer housing part (6). At the rear end of the tool, the...
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5450723 |
Drive unit for a belt pretensioner in a safety belt system for vehicles
A belt pretensioner for vehicle safety belt systems is provided with a drive unit which comprises a pyrotechnic gas generator (12) and a piston and cylinder unit (16, 20). The piston (20) is...
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5310220 |
Drive unit in a restraining system for vehicle occupants
For loss-free deflection of the gases generated by a gass generator (22) in a drive unit for a restraining system for vehicle occupants, the connecting passage comprising a deflection is formed...
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5303631 |
Damped-action pyrotechnic actuator
The invention that relates to a pyrotechnic actuator in which the movement of the piston is damped. The actuator includes a body, a piston, a pyrotechnic material combustion chamber and a counter...
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5239829 |
Powder activated tool with crusher sleeve
An explosively operated tool includes a ram and an anvil. The ram is driven towards the anvil by ignition of a cartridge. A crusher sleeve is provided on the ram such that, in the event the ram is...
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4753151 |
Self-retracting ballistic actuator system
The actuator system comprises an actuator which includes a cylinder having a first end adapted to receive one or more gas generators and a second end having an opening therethrough. A piston having...
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4711385 |
Explosive powder charge actuated fastening element driving device
An explosive powder charge actuated fastening element driving device includes a driving piston mounted within a guide bore in an axially extending piston guide for displacement between a firing...
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4669354 |
Fully redundant mechanical release actuator
A system is disclosed for performing a mechanical release function exhibiting low shock and includes two pyrotechnic detents fixed mounted in opposing axial alignment within a cylindrical housing...
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4573322 |
Driving device especially for return stiffening of a safety belt in an automatic safety belt wind-up device
A driving device having a piston pyrotechnically driven in a cylinder, the piston being connected by pulling means to an element to be driven, the cylinder having a stroke limit stop at a rear end...
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4458921 |
Seat belt tensioning device
A seat belt tensioning device provided with a cylinder attached to the room of a vehicle, a piston slidably inserted into the cylinder, a rod of which one end is connected to the piston within the...
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4237690 |
Piston return stop device for seat belt tensioning device
A piston return stop device for seat belt tensioning equipment. Connected at one end to a seat belt through a cylinder is a piston having a tapered portion the diameter of which enlarges toward its...
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4222462 |
Brake to decelerate axially moving actuating rod
A brake to decelerate the driving movement of an actuating rod along an axis. The actuating rod is driven relative to a frame by an actuating mechanism. The actuating rod has an external tapered...
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4056935 |
Damping chamber for an explosive charge-driven fastening element setting gun
In an explosive charge-driven fastening element setting gun having a casing and a muzzle tube axially displaceably mounted in the casing, a damping housing is arranged to receive explosive gases...
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4037821 |
Telescoping retractor
A telescoping retractor comprised of a two stage cylinder assembly actuated y an electroexplosive power cartridge. A pair of cylinders are mounted in concentric relation. A piston rod is carried in...
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4034816 |
Demolition tool
The present invention is a projectile type demolition tool. A projectile with an enlarged upper cross-sectional area is slideably mounted within and extendable from an inner cylinder. The lower...
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4023643 |
Deceleration-responsive passenger-restraining device for motor vehicles
A horizontal passenger-restraining padded buffer (FIGS. 1 and 2) extends transversely across the front portion of the automobile passenger compartment adjacent to and overlying the cowl. This...
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3888085 |
Pyrotechnical jacks
This pyrotechnical jack intended notably for stretching the webbing of a safety belt or harness in a motor vehicle, which is of the type comprising a cylinder, a piston movable in said cylinder, a...
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3762278 |
PULSE PISTON DRIVE
A pulse piston drive having a pulse chamber with two cavities, one accommodating a piston and the other cavity being filled with an energy medium. The cavities communicate through an opening closed...
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3744240 |
FASTENER DRIVING TOOL
A tool for driving fasteners and the like into a supporting surface. The tool utilizes a propellant charge which is ignited to produce expanding combustion gases that provide energy for driving a...
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3702620 |
ACTUATOR SYSTEM
An actuator system particularly suitable for quickly imparting motion to closure members or bodies of relatively large mass, wherein a reservoir of high pressure gas is provided adjacent a piston...
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3686858 |
CARTRIDGE ACTUATED TWO PART RAM
Apparatus of the type in which explosion of a cartridge serves to drive a pin into a hard material is provided with a piston ram for driving the pin. The piston ram is made in at least two distinct...
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3645091 |
GUN-TYPE DEVICE FOR MECHANICAL ASSEMBLY WORK UTILIZING ENERGY OF EXPLOSION
A gun-type device for mechanical assembly work utilizing the energy of explosion. The device comprises a second barrel secured on the body around the first barrel, the latter being installed with a...
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3643329 |
EXPLOSIVELY ACTUATED CUTTER
Apparatus for cutting a hard elongate workpiece having a slideable cutter ston positioned within a cylindrical housing, such piston being actuated by an explosive charge located within the housing,...
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3516246 |
REPEATING CASELESS TOOL
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3557550 |
PRESSURE-CONTROLLED BOMB EJECTOR FOR AIRCRAFT
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3484846 |
PRESSURE AND LOAD CONTROL FOR PROPELLANT ACTUATED DEVICE
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3469504 |
IMPACT DISSIPATING DEVICE
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3433014 |
DEVICE FOR THE PRODUCTION OF ENERGY IN BURSTS
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3338141 |
Power-actuated piston tool
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3204400 |
Explosively-actuated stud-driving tool
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