Pencil device for plotting machine

Details Pencil device for plotting machine Pencil device for plotting machine

B - Operations, Transporting

43

L

33/17

B43L 13/00 (2006.01) B43K 21/027 (2006.01) B43L 13/02 (2006.01) G01D 15/16 (2006.01)

Patent

CA 1206743

PENCIL DEVICE FOR PLOTTING MACHINE ABSTRACT OF THE DISCLOSURE This pencil device comprises a housing (10) including a barrel (13) with a passage (13a) therethrough for receiving a lead (12) said passage having an exit for the lead at a forward end of said barrel; lead feeding means (11, 14, 15) located in said housing for containing spare leads and for continuously feeding the passage of said barrel with a lead; lead driving means (16, 17) for pressing the lead located in the passage against the recording medium during a writing operation; and means (36) for urging the forward end of the barrel in contact with the recording medium so that a consumed lead is replaced by a new lead without interrupting a trace being produced. Fig. 1

451476

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