Spindlecase attachment for tapping machines to change the rotation of the tool

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Description

FIG. 1 is a top plan view of a spindlecase attachment for _tapping machines to change the rotation of the tool showing my new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a side elevational view taken _from the left of FIG. 3;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a side elevational view taken from _the right of FIG. 3.

Referenced Cited
U.S. Patent Documents
1401594 December 1921 Drowns
2368359 January 1945 Hellstrom
3466681 September 1969 Benjamin et al.
3717892 February 1973 Johnson
4014421 March 29, 1977 Johnson
Patent History
Patent number: D261392
Type: Grant
Filed: Jun 12, 1979
Date of Patent: Oct 20, 1981
Assignee: Miyakawa Industry Company, Limited (Seki)
Inventor: Eiji Miyakawa (Tokyo)
Primary Examiner: B. J. Bullock
Law Firm: Jordan and Hamburg
Application Number: 6/47,856
Classifications
Current U.S. Class: Tool Or Work Holder (D15/140); Element Or Attachment (D15/138)
International Classification: D1509;