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

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Description

FIG. 1 is a front elevational view of a spindlecase _attachment for tapping machines to change the rotation of the tool _incorporating my new design;

FIG. 2 is a side elevational view taken from the left of FIG. 1;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a side elevational view taken from the right of FIG. 1; and

FIG. 6 is a top plan view thereof.

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: D262034
Type: Grant
Filed: Oct 29, 1979
Date of Patent: Nov 24, 1981
Assignee: Miyakawa Industry Company, Limited (Seki)
Inventor: Eiji Miyakawa (Tokyo)
Primary Examiner: B. J. Bullock
Law Firm: Jordan and Hamburg
Application Number: 6/89,055
Classifications
Current U.S. Class: Tool Or Work Holder (D15/140); Element Or Attachment (D15/138)
International Classification: D1509;