EP 0219001 A1 19870422 - Mechanical pencil.
Title (en)
Mechanical pencil.
Title (de)
Mechanischer Bleistift.
Title (fr)
Porte-mine mécanique.
Publication
Application
Priority
- JP 21803485 A 19851002
- JP 22283585 A 19851008
- JP 24637785 A 19851105
Abstract (en)
A mechanical pencil comprises a hollow elongated body having at least one axial slit (1a) at its normal gripping portion which is naturally gripped by writer's fingers, a chuck (7) for chucking and releasing a lead, the chuck having a plurality of heads (7a) and a rear portion, a chuck tightening member (6) disposed on a rear side of the heads (7a) of the chuck for closing the plurality of heads (7a), at least one pinching member (2) disposed along the axial slit (1a), the pinching member (2) being secured to the body and a lead holding member (5) for normally holding the lead, the lead holding member (5) being disposed on a front side of the heads (7a) of the chuck (7). The lead is caused to extend from a frontmost end of the body by the cooperation among the pinching member (2), the chuck (7), the lead holding member (5), the chuck tightening member (6), without changing a writer's writing finger position.
IPC 1-7
IPC 8 full level
B43K 21/027 (2006.01); B43K 21/20 (2006.01); B43K 24/02 (2006.01)
CPC (source: EP)
B43K 21/027 (2013.01); B43K 21/20 (2013.01); B43K 24/023 (2013.01)
Citation (search report)
- [XD] DE 2946870 A1 19800529 - ANCOS CO LTD
- [YD] DE 2821625 A1 19781130 - ANCOS CO LTD
- [A] DE 2921875 A1 19801211 - ANCOS CO LTD, et al
Designated contracting state (EPC)
DE FR GB
DOCDB simple family (publication)
DOCDB simple family (application)
EP 86113570 A 19861002