A loose component supply device provided with component supply apparatus that stores multiple components, frame to which the component supply apparatus is detachably attached, claw member for locking the component supply apparatus to the frame, and a component support member that supports multiple component in a scattered state, the components having been ejected from an entrance of the component supply apparatus that is attached to the frame; the locking of the component supply apparatus to the frame is released by an operator grasping grip of the component supply apparatus. The component supply apparatus is swung, and with the swinging linking mechanism is operated such that shutter rotates downwards. That is, with the releasing of the locking of the component supply apparatus, the entrance of the component supply apparatus is covered by the shutter.