Propelling pencil

Details Propelling pencil Propelling pencil

1990-06-13

1992-03-24

DeMille, Danton D.

Coating implements with material supply

Solid material for rubbing contact or support therefor

Including holder

B43K 2122

Patent

active

050982125

ABSTRACT:
Propelling pencil for pins, whether colored or not, which consists mainly of the combination of an elongated casing with an axial bore for housing a pencil pin which is provided at the top with a screw thread part, a screw head with an axial bore for passing the pin and of which the tailpiece is provided with a screw thread part which can be screwed into and moved in the screw thread part of the axial bore of the casing, the tail-piece being provided with several longitudinal grooves which run over a distance of the end of the tailpiece, and means being provided for gradually squeezing the middle part of the tail-piece in which the grooves are provided, between the axial bore of the casing and the tailpiece of the screw head.

REFERENCES:
patent: 2282574 (1942-05-01), Halbasch

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