Abstract: A writing instrument with a pivoted closure at its upper end to close an opening through which a refill cartridge can be removed and replaced from a continuous body of the instrument. The closure is locked in its closed position by a sleeve-extension of the body which enters a close fitting axial groove of the closure and prevents the closure from pivoting to an open position. The sleeve and body move up and down with respect to the closure by rotating the body with respect to the closure.
Abstract: A writing implement has a replaceable refill which is insertable through an opening in the base of the body. The base includes a pivotable flap which opens and closes the opening. The flap is provided with two ramps which can engage the end of the refill and respectively move it under stop means for retaining the end of the refill under the base on closing the flap and move it towards the opening when the flap is opened.