The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 17, 1987
Filed:
Dec. 06, 1984
Applicant:
Inventor:
Eiji Miyakawa, Tokyo, JP;
Assignee:
Miyakawa Industry Co., Ltd., Seki, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B23B / ;
U.S. Cl.
CPC ...
408 42 ; 192 / ; 192 / ; 192 94 ; 408124 ; 408234 ;
Abstract
Disclosed is a structure for installing a multispindle attachment on a drilling machine or the like. An upper gear coupling member is secured at the lower end of a quill housing a main rotary spindle for a drilling machine, etc. A clamp member is rotatably provided on the gear coupling member. A lower gear coupling member for engaging with the upper gear coupling member is secured on the upper surface of the multispindle attachment installed at the lower end of the quill. Both of these gear coupling members are tightened and secured by means of the clamp member while both of the upper and lower gear coupling members are engaged with each other.