Pencil eraser assembly

Details Pencil eraser assembly Pencil eraser assembly

1989-05-18

1990-02-13

Moore, Chris K.

Brushing, scrubbing, and general cleaning

Implements

Eraser

15429, B43K 2902

Patent

active

048994197

ABSTRACT:
A pencil eraser assembly having elongated hollow eraser sleeve 11 formed to align in elemental parallel spaced relationship with both frustum shaped segment 18 and portion of cylindrical barrel segment 19 of pencil 16. Sleeve 11 having an opening adjacent the end point of frustum segment 18 for holding elongated eraser plug 12 within sleeve 11 and adjacent to pencil lead 17 of pencil 16. Eraser plug 12 can be extended out of sleeve 11 or retracted into it by means of barbed piston 13 impaled within the other end of eraser plug 12. Push tab 14 attached to piston 13 extends out through an elongated slot in sleeve 11 to provide a means of sliding piston 13 and eraser plug 12 within sleeve 11.

REFERENCES:
patent: 606551 (1898-06-01), Huffman
patent: 870990 (1907-11-01), Payson
patent: 1473090 (1923-11-01), Ferry
patent: 1569472 (1926-01-01), Goerling
patent: 1671393 (1928-05-01), Zantow
patent: 3072101 (1963-01-01), Kovacs
patent: 3099251 (1963-07-01), Hertz
patent: 3203401 (1965-08-01), Specht
patent: 4352580 (1982-10-01), Ando

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