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Machine translation
1. (WO1980000180) THIEF PROOF SCREW DEVICE FOR MOTOCYCLES AND MOPEDS
Latest bibliographic data on file with the International Bureau   

Pub. No.:    WO/1980/000180    International Application No.:    PCT/DE1979/000063
Publication Date: 07.02.1980 International Filing Date: 25.06.1979
IPC:
F16B 41/00 (2006.01)
Applicants:
Inventors:
Priority Data:
2828783 29.06.1978 DE
Title (EN) THIEF PROOF SCREW DEVICE FOR MOTOCYCLES AND MOPEDS
(FR) DISPOSITIF A VIS ANTI-VOL POUR MOTOCYCLETTES ET CYCLOMOTEURS
Abstract: front page image
(EN)This thief-proof device comprises a lockable protective cover surrounding a securing element This screw device has reduced overall dimensions, is easy to manufacture and is very reliable as a security and securing element. A plurality of annular grooves (4) are provided in the hexagonal head of the securing element which cooperate with a retaining ring (5) arranged in the inside of the cylindrical surface of the protective cover (3). The protective cover comprises an axial pin (7) cooperating with the retaining rings (5), and between these rings are arranged spacing rings (20). The retaining rings (5) have a centre (8) upset with respect to the axes (9) of the securing element and have an inner diameter which is equal or bigger than the diameter or the circle circumscribed to the hexagonal head. A first branch (12) of each ring extends from the pin (7) to a stop surface (13) which may have various shapes and against which bears a key when introduced in a slot (22) arranged diametrically facing the pin (7) and made in the peripheral part of the protective cover. A second branch (15) of each ring is longer than one of the six flats of the hexagonal head and may be inserted into the corresponding groove (4). A spring (17) bears against the innercylindrical surface (10) of the cover (3) and exercises a force on the first branch (12), which forces it into the corresponding groove (4).
(FR)Ce dispositif anti-vol comprend un couvercle de protection verrouillable entourant un organe de fixation. Ce dispositif a vis presente un petit encombrement, est facile a fabriquer et a une grande fiabilite en tant qu"organe de securite et organe de fixation. Plusieurs rainures annulaires (4) sont pratiquees dans la tete hexagonale de l"organe de fixation, qui cooperent avec un anneau de retenue (5) dispose a l"interieur de la surface cylindrique du couvercle de protection (3). Le couvercle de protection comprend une goupille axiale (7) cooperant avec les anneaux de retenue (5), et entre ces anneaux sont disposees des bagues d"ecartement (20). Les anneaux de retenue (5) ont un centre (8) excentre par rapport a l"axe (9) de l"organe de fixation et ont un diametre interieur qui est egal ou superieur au diametre du cercle circonscrit de la tete hexagonale. Une premiere branche (12) de chaque anneau s"etend de la goupille (7) jusqu"a une surface de butee (13) pouvant presenter differentes formes et contre laquelle peut s"appuyer une clef lorsqu"elle est introduite dans une fente (22) disposee diametralement opposee a la goupille (7) et pratiquee dans la partie peripherique du couvercle de protection. Une seconde branche (15) de chaque anneau est plus longue qu"un des six meplats de la tete hexagonale et peut etre introduite dans la rainure correspondante (4). Un ressort (17) s"appuie sur la surface cylindrique interieure (10) du couvercle (3) et exerce une force sur la premiere branche (12), qui la fait entrer dans la rainure correspondante (4).
Designated States:
Publication Language: German (DE)
Filing Language: German (DE)