JPS649795U - - Google Patents

Description

[Brief explanation of the drawing]

FIG. 1 is a configuration explanatory diagram showing an embodiment of the present invention;
Fig. 2 shows a second embodiment of the present invention and is a block diagram of a general automatic drawing machine in which the pen cap mechanism operates independently, and Fig. 3 explains the operation of the present invention. , FIG. 4 is a detailed view of the second embodiment related to FIG. 2, FIG. 4 is a perspective view of essential parts showing another system related to the present invention, that is, an example of a general automatic drawing machine in which the pen cap mechanism operates all at once, and FIG. The figure is a detailed structural diagram of the pencil pen according to the present invention, and FIG. 6 is an explanatory diagram schematically explaining recording by the pencil pen shown in FIG. 5. 5...Storage pen holder, 56...Brim, 16
...tip tip.

Claims (1)

[Scope of Claim for Utility Model Registration] A pencil pen having a pencil lead feeding mechanism consisting of a chuck mechanism that is opened by pushing down the locking mechanism, and a pencil lead feeding mechanism consisting of a tip mechanism and a tip tip, and which is provided in a pencil cartridge. A pen for an automatic drawing machine using a pencil pen, which has a moving part pen holder and a storing part pen holder whose pen cap mechanism is pushed down when the moving part pen holder approaches, and a pen exchange operation is performed by relative movement of both pen holders. In the exchanging device, when the pencil pen is held in the storage pen holder, the storage pen holder is provided with a collar that pushes down the locking mechanism of the pencil pen, and the pencil is inserted in a state in which the locking mechanism is pressed down by the collar. A pen exchange device for an automatic drawing machine using a pencil pen, characterized in that the pen is held in the storage pen holder.