The holding means are provided with conveyance means for moving the position of the annular tread held by the holding means.

The holding means are provided with conveyance means for causing the annular tread, which is held by the holding means, to approach or separate from the base tire.

A release device for a restraint system wherein the ignitors (3) are optically ignited by associated means of restraint.

The invention relates to a method for triggering restraining means, according to which the restraining means are triggered in accordance with an impact signal.

The retaining means may include a saddle (31) and a retaining strap (32).

The filtering means is positioned between the frangible seal and retaining means.

The above-mentioned release means consist of a push button which moves the retaining means.

The housing comprises a main body, a holding means for releasably holding a lighting unit and an openable cover (6) for covering a lighting unit held by the holding means.

The mounting means includes an elongate mounting member and retaining means.

The device includes remote control means for driving the retaining means from the retaining state to the release state and conversely.

The retention means (MR) are comprised of a retention body (13) and a retention spring (14), both provided with corresponding retention threadings (21 and 22) concordant with the threading (7) of the rod (VR), and the actuation means (MA).

The retaining means (20) are movable between an active position and a retracted position, the device comprising means (28) for controllably shifting said retaining means between both positions.

Said device generates a signal by means of a pre-crash sensing system, the restraint means being triggered according to said signal.

Disclosed is a device for triggering restraint means.

Pulling safety means is also provided.