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US 7,673,717 B2Granted
Anti-theft device for a vehicle
OwnerJian-Jhong Fonginventor
Life of this patent
Estimating the term…
Abstract
An anti-theft device includes a first steering column, a second steering column, a clutch and an actuating unit. The first steering column is connected to a steering wheel. The second steering column is connected to a universal joint. The actuating unit moves the clutch between a first position for connecting the first steering column to the second steering column and a second position for disconnecting the first steering column from the second steering column.
Claims9
An anti-theft device comprising:
- a first steering column connected to a steering wheel;
- a second steering column connected to a universal joint;
- a clutch movable between a first position for connecting the first steering column to the second steering column and a second position for disconnecting the first steering column from the second steering column;
- and
- an actuating unit for moving the clutch between the first and second positions,
- wherein the clutch comprises a collar movable between the first and second positions, the collar being movable together with one of the first and second steering columns with respect to the other steering column;
- and
- wherein one of the first and second steering columns is formed with an annular flange, and the clutch further comprises two C-clips for restraining the annular flange to the collar.
5 more elements
An anti-theft device comprising:
- a first steering column connected to a steering wheel;
- a second steering column connected to a universal joint;
- a clutch movable between a first position for connecting the first steering column to the second steering column and a second position for disconnecting the first steering column from the second steering column;
- and
- an actuating unit for moving the clutch between the first and second positions,
- wherein the clutch comprises a collar movable between the first and second positions, the collar being movable together with one of the first and second steering columns with respect to the other steering column;
- and
- wherein one of the first and second steering columns is formed with a ridge, and the other steering column defines a cutout for receiving the ridge in the first position.
5 more elements
An anti-theft device comprising:
- a first steering column connected to a steering wheel;
- a second steering column connected to a universal joint;
- a clutch movable between a first position for connecting the first steering column to the second steering column and a second position for disconnecting the first steering column from the second steering column;
- and
- an actuating unit for moving the clutch between the first and second positions,
- wherein the clutch comprises a collar;
- wherein the actuating unit comprises a motor for moving the collar between the first and second positions and a nut formed with a thread and driven by the motor, and
- wherein the collar is formed with a thread engaged with the thread of the nut.
5 more elements
Dependencies are inferred from the claim text.