An automobile steering lock consisted of a lock body received in an inner casing covered by an outer casing, a shackle having two opposite ends inserted into holes on the outer and inner casings and holes on the lock body and locked in place by two opposite stop plates, a lock cylinder disposed perp
An automobile steering lock consisted of a lock body received in an inner casing covered by an outer casing, a shackle having two opposite ends inserted into holes on the outer and inner casings and holes on the lock body and locked in place by two opposite stop plates, a lock cylinder disposed perpendicular to the shackle and having a bevel gear coupled to the plug thereof, a switch control gear meshed with the bevel gear and having two keys respectively engaged into a respective lock notch either stop plate, a microswitch, a light emitting diode and a burglar alarm respectively connected to the microswitch, whereby the microswitch is switched on as the shackle is inserted into position; turning the plug of the lock cylinder causes the bevel gear to turn the switch control gear in moving the stop plates toward each other, and therefore the shackle is unlocked.
대표청구항▼
An automobile steering lock comprising: an outer casing; an inner casing received inside said outer casing, said inner casing comprising a horizontal chamber, two spaced horizontal round holes respectively communicating with said horizontal chamber at right angles, and a screw hole vertically commun
An automobile steering lock comprising: an outer casing; an inner casing received inside said outer casing, said inner casing comprising a horizontal chamber, two spaced horizontal round holes respectively communicating with said horizontal chamber at right angles, and a screw hole vertically communicating with said horizontal chamber at a right angle; a lock body received inside said horizontal chamber of said inner casing, said lock body comprising two shackle insertion holes, two helical springs respectively inserted in said shackle insertion holes, a front chamber covered by a locating plate, said locating plate having a horizontal back groove and two concave edges on two opposite ends thereof respectively aligned with said shackle insertion holes, a round channel in said front chamber between said shackle insertion holes, a left-hand stop plate and a right-hand stop plate respectively received in said front chamber and made to slide in said horizontal back groove of said locating plate, said left-hand and right-hand stop plates each having a respective notch, a compression spring retained between said left-hand stop plate and said right-hand stop plate, a switch control gear revolvably retained in said round channel, said switch control gear comprising two keys spaced on a front end thereof respectively engaged into the notch on either stop plate, a lock cylinder mounting hole obliquely extended upwards and communicating with said round channel, a top screw hole communicating with said lock cylinder mounting hole and connected to the screw hole on said inner casing by a screw, a microswitch mounting hole communicating with one of said shackle insertion holes, a microswitch received in said microswitch mounting hole, said microswitch having a trigger bar extended into the respective shackle insertion hole, a light emitting diode mounting hole, a light emitting diode indicator lamp received in said light emitting diode mounting hole and connected to said microswitch, a lock cylinder received in said lock cylinder mounting hole, said lock cylinder comprising a casing holding a plug with a keyway, the casing of said lock cylinder having a recessed hole on a periphery and a round hole on a front end thereof, the screw which is threaded into the screw hole on said inner casing and the top screw hole on said lock body being engaged into the recessed hole on the casing of said lock cylinder to hold said lock cylinder in place, a bevel gear fastened to said plug of said lock cylinder at a rear end thereof and meshed with said switch control gear, a lock cylinder protective plate covered on said lock cylinder mounting hole over said lock cylinder, said lock cylinder protective plate having a slot aligned with the keyway on said plug of said lock cylinder and a screw hole connected to the round hole on the casing of said lock cylinder by a screw; and a shackle made from a substantially U-shaped bar having two opposite lock notches respectively disposed on two opposite ends thereof, the two opposite ends of said shackle being respectively inserted through the horizontal round holes on said inner casing and the concave edges on said locating plate into said shackle insertion holes and respectively stopped against said helical springs; whereby inserting the two opposite ends of said shackle into said shackle insertion holes causes said left-hand stop plate and said right-hand stop plate to respectively engage into the lock notch on either end of said shackle in locking said shackle in said lock body, and simultaneously causes said trigger bar of said microswitch to be triggered to turn on said light emitting diode indicator lamp; rotating said plug of said lock cylinder by the key causes said bevel gear to turn said switch control gear, and therefore said left-hand and right-hand stop plates are moved toward each other by the keys of said switch control gear to release the two opposite ends of said shackle for permitting said shackle to be removed out of said lock body.
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