Patent ID: 8858301
Filing Date: 2014-10-14
Classification: B24B,B27B,F16B

Abstract:
1. An attachment mechanism for a cutting disc of a power tool, the attachment mechanism comprising: a rotatable drive shaft having a free end; a releasable locking member associated with the drive shaft, the locking member being movable between a locked configuration for retaining a cutting disc on the drive shaft and an unlocked configuration for releasing the cutting disc for removal from the drive shaft; a biasing member associated with the locking member for resiliently biasing the locking member toward the locked configuration; and a release mechanism associated with the locking member for moving the locking member into the unlocked configuration against the bias of the biasing member; wherein the locking member comprises a locking head of non-circular shape for selective alignment with and traversal through a similarly non-circularly shaped aperture in the cutting disc; and the locking member comprises a shaft extending from the locking head, the shaft being slidably engaged in a bore in the drive shaft; and further comprising a limiting member for limiting axial movement of the locking member within the bore of the drive shaft.