Multi-needle type chisel

- Nitto Kohki Co., Ltd.
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Description

FIG. 1 is a top plan view of the multi-needle type chisel showing our new design;

FIG. 2 is an enlarged partial sectional view of the ribbing section taken along line 2--2 of FIG. 1.

FIG. 3 is an enlarged partial sectional view of the ribbing section taken along line 3--3 of FIG. 1;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a side elevational view thereof, the opposite side being a mirror image;

FIG. 6 is a back electional view thereof; and

FIG. 7 is a front elevational view thereof.

Referenced Cited
U.S. Patent Documents
D111234 September 1938 Albertson
D214776 July 1969 Schaedler
D245789 September 13, 1977 Shea et al.
D258237 February 10, 1981 Anspach
Other references
  • Nitto Kohki U.S.A. Inc. price sheet dated Jan. 1, 1972, Needle Scaling Gun Model No. JC-20; top right of page. ARO, Portable Air Tools Catalog, p. 43, 8499 Series Needle Scaling Hammer.
Patent History
Patent number: D293073
Type: Grant
Filed: Aug 23, 1983
Date of Patent: Dec 8, 1987
Assignee: Nitto Kohki Co., Ltd. (Tokyo)
Inventors: Naoya Kurihara (Tokyo), Toshio Mikiya (Tokyo)
Primary Examiner: Susan J. Lucas
Assistant Examiner: C. E. Heflin
Law Firm: Birch, Stewart, Kolasch & Birch
Application Number: 6/525,747
Classifications
Current U.S. Class: D 8/61