Socket for a ball point pen

Details Socket for a ball point pen Socket for a ball point pen

1974-09-16

1976-03-30

Charles, Lawrence

Coating implements with material supply

Including ball, roller or endless-belt tool

Ball

401212, B43k 702

Patent

active

039471373

ABSTRACT:
A socket for a ball point pen comprises a hollow sleeve receiving a writing ball at the forward end, a rod member forcefully inserted into the sleeve to be pressed at the forward end against the writing ball, and ink passageways defined between the sleeve and rod member so as to extend throughout the socket. The sleeve is provided with a communication section for causing the ink passageways to communicate with the outside of the socket, thereby attaining a reliable delivery of ink from the ink passageways to the writing ball and preventing ink from leaking out of the pen body through an air passage provided at the forward end portion of the barrel of the ball point pen.

REFERENCES:
patent: 2847975 (1958-08-01), Lawton
patent: 3063420 (1962-11-01), Tefft
patent: 3537801 (1970-11-01), Cortt

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