| 摘要 |
A dual lock brake lathe chuck comprises of at least one primary drive gear with keyhole along with at least one secondary drive gear with keyhole. The keyhole is rotated through the side of the chuck whereas the secondary keyhole is rotated through the back of the chuck. Rotation of either the primary keyhole or the secondary keyhole extends a plurality of jaws to secure a brake rotor on a brake lathe. The secondary keyhole positioned on the back of the chuck allows easier access of the keyhole when a brake rotor is attached to the chuck allowing the user to ensure that the brake rotor is securely tightened onto the brake lathe chuck.
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