Propelling pencil

Details Propelling pencil Propelling pencil

B - Operations, Transporting

43

K

207/19

B43K 21/00 (2006.01) B43K 21/20 (2006.01)

Patent

CA 1197811

ABSTRACT OF THE DISCLOSURE A knock-type propelling pencil comprising a lead pipe inserted into an outer cylinder and having a lead chuck at the end portion thereof, a chuck-fastening tube for fasten- ing the lead chuck, a cushion sleeve coming into contact with said chuck-fastening tube being slidable relative to said outer cylinder, and being urged by a spring, wherein said cushion sleeve has a cushion portion which can be resiliently deformed to absorb exessive writing pressure and thereby preventing breaking of the lead.

410839

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