Tubular pen for recording apparatus

Details Tubular pen for recording apparatus Tubular pen for recording apparatus

1977-10-12

1979-07-03

Miller, Jr., George H.

Recorders

Markers and/or driving means therefor

With ink supply to marker

G01D 1516

Patent

active

041602560

ABSTRACT:
A tubular pen for recording apparatus and the like has a freely displaceable weight within a hollow body and there is a cap or protective element on the end of the body. The cap and the weight are connected together by a spring of metal or synthetic resin material such that there is relative movement between the cap and weight and the interconnected cap and weight together with the spring constitute a single assembly. The spring has its ends firmly attached to the cap and weight or may be integral with these two components.

REFERENCES:
patent: 3094104 (1963-06-01), Gauley
patent: 3229669 (1966-01-01), Kuyt
patent: 3706099 (1972-12-01), Jones et al.

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