Patent ID: 8408161

Claim:
A pet brush, comprising: a handle having a first bore and at least a first slot on a sidewall of the first bore; a hub, which is fixed to the handle and is unable to rotate, having a second bore communicated with the first bore of the handle; a ring, which has at least a second slot on an inner side and at least a lock block with a face, received in the second bore of the hub to be moved between a first position, in which the lock block is aligned with the first slot of the handle, and a second position, in which the second slot is aligned with the first slot of the handle; and a bristle member having a shaft with at least a guiding block, wherein when the shaft of the bristle member is inserted into the first bore of the handle and the guiding block is engaged with the first slot, the bristle member is secured by moving the ring to the first position that the guiding block is stopped by the lock block, and when the ring is moved to the second position, the guiding block is free to move along the first slot and the second slot that the bristle member is drawn out of the handle.