JP2001205896A5 - - Google Patents

Claims (9)

By having a roll paper cover sealed in a state where the front opening of the roll paper loading unit can be opened and closed, and an operation lever protruding forward from the upper side of the roll paper cover, by operating the operation lever, In the roll paper loading mechanism capable of rotating the roll paper cover, centered on the lower end portion thereof, from an upright closed position to an open position that falls forward,
The operation lever is rotatably attached to the roll paper cover in a direction in which the front end side is lifted,
A roll paper loading mechanism comprising an operation lever rotating means for rotating the operation lever in conjunction with an operation of rotating the roll paper cover from the closed position to the open position. In claim 1,
The operating lever rotating means includes an engaging portion formed on the operating lever at a position ahead of the rotating center of the operating lever, and an engaged portion formed on the roll paper cover. When the cover is rotated by a predetermined amount from the closed position, the engaging portion is engaged with the engaged portion, and the engaging portion is moved by the engaged portion by further rotation of the roll paper cover. A roll paper loading mechanism, wherein the roll paper loading mechanism is pushed upward about the rotation center. In claim 1 or 2,
Roll paper cutting means, the roll paper cutting means comprises a fixed blade attached to the upper end portion of the roll paper cover;
The roll lever loading mechanism according to claim 1, wherein the operation lever includes a protective cover portion that covers the front of the fixed blade when the roll paper cover reaches the open position. In claim 3,
The roll lever loading mechanism according to claim 1, wherein the operation lever includes a discharge table portion for guiding the roll paper discharged through the roll paper cutting means. In any one of claims 1 to 4,
Having a platen section that defines the printing position of the roll paper;
The roll paper loading mechanism, wherein the platen unit moves to an open position at a position away from the print position in conjunction with rotation of the roll paper cover from the closed position to the open position. In any one of claims 1 to 5,
A lock means for fixing the roll paper cover in the closed position;
The roll paper loading mechanism, wherein the locked state by the locking means is released in conjunction with the rotation of the operation lever. In claim 6,
The lock means includes a hook that is rotatable in conjunction with the operation lever, a hook receiver that is formed on the roll paper loading portion that can be engaged with the hook, and the hook is engaged with the hook receiver. A roll paper loading mechanism comprising an urging member held in a state. In claim 7,
The roll paper loading mechanism, wherein the hook is integrally formed with the operation lever.   A roll paper printer comprising the roll paper loading mechanism according to any one of claims 1 to 8.