Collision actuated bumper

Claim 2

A protection device against accidents of motor vehicles, comprising a bumper bar, at least one cylinder means adapted to be secured to a vehicle and operatively connected to said bumper bar for varying the distance of said bumper bar from said vehicle, pivotal and lateral shiftable connection means for connecting said bumper bar so as to be capable of inclined position connecting in a horizontal plane relative to the vehicle, a pressure system for said at least one cylinder means containing an expandable medium for operative engagement of said cylinder means, means for releasing and expanding said cylinder means, said pressure system for said cylinder means having at least one outlet, and said means for releasing and expanding said cylinder means comprises an electrical release member disposed in front of said bumper bar and operatively connected to said pressure system for actuating the latter upon hitting on obstacle.

Claim 3

A protection device against accidents of motor vehicles, comprising a bumper bar, at least one cylinder means adapted to be secured to a vehicle and operatively connected to said bumper bar for varying the distance of said bumper bar from said vehicle, pivotal and lateral shiftable connection means for connecting said bumper bar so as to be capable of inclined position connecting in a horizontal plane relative to the vehicle, a pressure system for said at least one cylinder means containing an expandable medium for operative engagement of said cylinder means, means for releasing and expanding said cylinder means, said pressure system for said cylinder means hAving at least one outlet, said pressure system includes a pressure producer operatively connected to said cylinder means, cartridge storage means in said pressure producer, a plurality of cartridges arranged in said cartridge storage means, respectively, trigger pin means operatively disposed adjacent each cartridge storage means for igniting said cartridge in said cartridge storage means, respectively, a plurality of pawls, said trigger pin means is provided with recesses into which said pawls, respectively, engage, an actuator connected to said pawls, and a release means coupled to said actuator and being operatively connected to said bumper bar for actuation upon impact with an obstacle.

Claim 4

A protection device against accidents of motor vehicles, comprising a bumper bar, at least one cylinder means adapted to be secured to a vehicle and operatively connected to said bumper bar for varying the distance of said bumper bar from said vehicle, pivotal and lateral shiftable connection means for connecting said bumper bar so as to be capable of inclined position connecting in a horizontal plane relative to the vehicle, a pressure system for said at least one cylinder means containing an expandable medium for operative engagement of said cylinder means, means for releasing and expanding said cylinder means, said pressure system for said cylinder means hAving at least one outlet, said pressure system includes a pressure producer operatively connected to said cylinder means, cartridge storage means in said pressure producer, a plurality of cartridges arranged in said cartridge storage means, respectively, trigger pin means operatively disposed adjacent each cartridge storage means for igniting said cartridge in said cartridge storage means, respectively, a plurality of pawls, said trigger pin means is provided with recesses into which said pawls, respectively, engage, an actuator connected to said pawls, and a release means coupled to said actuator and being operatively connected to said bumper bar for actuation upon impact with an obstacle.

Claim 5

The apparatus, as set forth in claim 2, wherein said release means comprises, a drum sleeve mounted for rotatable movement, a spiral spring biasing said drum sleeve for rotation, a cable for winding on said drum sleeve and secured to said bumper bar, said drum sleeve formed with two grooves arranged on the inner side of said drum sleeve perpendicular to the axis of rotation of said drum sleeve, an inclined groove connecting said two grooves to one another, a release pin having disposed thereon a finger cooperatively entering said grooves, a pull-push spring operatively biasing said finger along said grooves, said finger in a neutral position of said pull-push spring lies between said two grooves, and upon a return rotation of said drum sleeve caused by said spiral spring, said finger enters in said inclined groove and said release pin is moved, and a release lever coupled with said release pin and engaging said actuator.

Claim 6

The device, as set forth in claim 3, further comprising a drive adapted to be coupled to a motor of the vehicle, and said drum sleeve being operatively driveable, by said drive, with said motor.

Claim 7

The device, as set forth in claim 4, wherein said drive is automatically coupleable to said motor.

Claim 8

The device, as set forth in claim 4, wherein said drive is manually coupleable to said motor.

Claim 9

The device, as set forth in claim 4, further comprising a coupling disposed in said drive of said drum sleeve, and a pull cable capable of being brought into engagement with said coupling and operable at will by the driver of the vehicle.

Claim 10

A protection device against accidents of motor vehicles, comprising a bumper bar, at least one cylinder means adapted to be secured to a vehicle and operatively connected to said bumper bar for varying the distance of said bumper bar from said vehicle, pivotal and lateral shiftable connection means for connecting said bumper bar so as to be capable of inclined position connecting in a horizontal plane relative to the vehicle, a pressure system for said at least one cylinder means containing an expandable medium for operative engagement of said cylinder means, means for releasing and expanding said cylinder means, said pressure system for said cylinder means having at least one outlet, said at least one outlet constitutes an exit valve having a variable valve cross section, said releasing means includes a release lever, a shaft on which said release lever is secured, and a pull cable operatively connected to said exit valve and to said release lever.

Claim 11

A protection device against accidents of motor vehicles, comprising a bumper bar, at least one cylinder means adapted to be secured to a vehicle and operatively connected to said bumper bar for varying the distance of said bumper bar from said vehicle, pivotal and lateral shiftable connection means for connecting said bumper bar so as to be capable of inclined position connecting in a horizontal plane relative to the vehicle, a pressure system for said at least one cylinder means containing an expandable medium for operative engagement of said cylinder means, means for releasing and expanding said cylinder means, said pressure system for said cylinder means having at least one outlet, said at least one outlet constitutes an exit valve having a variable valve cross section, said releasing means includes a release lever, a shaft on which said release lever is secured, and a pull cable operatively connected to said exit valve and to said release lever.

Claim 12

A protection device against accidents of motor vehicles, comprising a bumper bar, at least one cylinder means adapted to be secured to a vehicle and operatively connected to said bumper bar for varying the distance of said bumper bar from said vehicle, pivotal and lateral shiftable connection means for connecting said bumper bar so as to be capable of inclined position connecting in a horizontal plane relative to the vehicle, a pressure system for said at least one cylinder meAns containing an expandable medium for operative engagement of said cylinder means, means for releasing and expanding said cylinder means, said pressure system for said cylinder means having at least one outlet, said connection means comprises bolt means for the inclined positioning connecting of said bumper bar with said cylinder means, said bumper bar has slots in which said bolt means are disposed laterally shiftable, springs biasing said bolt means in said slots of said bumper bar, and rubber buffers carried in said slots of said bumper bar adjacent said bolt means.

Claim 13

A protection device against accidents of motor vehicles, comprising a bumper bar, at least one cylinder means adapted to be secured to a vehicle and operatively connected to said bumper bar for varying the distance of said bumper bar from said vehicle, pivotal and lateral shiftable connection means for connecting said bumper bar so as to be capable of inclined position connecting in a horizontal plane relative to the vehicle, a pressure system for said at least one cylinder meAns containing an expandable medium for operative engagement of said cylinder means, means for releasing and expanding said cylinder means, said pressure system for said cylinder means having at least one outlet, said connection means comprises bolt means for the inclined positioning connecting of said bumper bar with said cylinder means, said bumper bar has slots in which said bolt means are disposed laterally shiftable, springs biasing said bolt means in said slots of said bumper bar, and rubber buffers carried in said slots of said bumper bar adjacent said bolt means.

Claim 14

The device, as set forth in claim 9, wherein said bolt means are turnable in said slots of said bumper bar about a vertical axis.

Claim 15

The device, as set forth in claim 10, further comprising sleeves in which said bolt means are turnable.