Title: Pencil sharpeners

Abstract: The invention provides a pencil sharpener construction having a planetarily moved cutter assembly located within the body of the pencil sharpener, and the body is divided into two parts meeting at a plane or planes containing the axis of the planetary motion and secured together about the cutter unit, so that several different designs of cutter units can be accommodated without varying the design of the body parts.

Do you think this is a good invention? Vote now:

Votes so far: For:(0) Against:(0)
Other info:

Inventors: Aston, Jack Ralph (Dudley, EN)
Whitehouse, Ronald (Dudley, EN)

Application Number: 513644
Filing Date: 1974-10-10
Publication_date: 1976-06-29
Assignee: Joseph Gillott & Sons Limited (Dudley, EN)
Primary Class(es): 144/28.71
Other Classes:
US Patent Ref:

1810284	Jun, 1931	Luppert	144/28.
2575069	Nov, 1951	Rankin	220/76.
3227140	Jan, 1966	Brand	144/28.
3410169	Nov, 1968	Kobayashi	144/28.
3750724	Aug, 1973	Dahle	144/28.

Other Refs: 604,939808,425820,101369,279716,549

Sep, 1960	CA
Jan, 1951	DT
Nov, 1951	DT
Feb, 1923	DD
Jan, 1942	DD

Primary Examiner: Smith, Al Lawrence
Assistant Examiner: Smith, Gary L.
Attorney: Marshall & Yeasting