Title: Arrangement for keeping tools of the drilling, milling, boring type etc. in readiness for use on machine tools

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Claims: What I claim is:

1. A tool holder for shank tools comprising:

a table having a horizontal large-diameter lower disk, and a small-diameter upper disk spaced above and coaxial with said lower disk, and spacer means interconnecting said disks for joint rotation in spaced-apart relation, said upper disk being formed with a rectangular array of holes each adapted to receive a tool shank, said lower disk being formed with at least one circular array of holes outwardly of the outline of said upper disk and adapted to receive tool shanks;

a flanged shaft having its flange connected to the underside of said lower disk and extending coaxially with said table;

a support sleeve rotatably receiving said shaft;

friction means between said sleeve and said shaft for retarding rotation of said shaft relative to said sleeve;

a base;

a tubular post mounted on said base;

a horizontal arm rotatable on said post and carrying said sleeve;

a tubular pivot in said post carrying said arm;

a rod extending through said post and interconnecting said pivot and said base;

further friction means on said post for frictionally retarding swinging movement of said arm relative to said post; and

adjusting means on said post connected with said further friction means for adjusting the frictional retardation of said arm.

2. The tool holder defined in claim 1 wherein the holes in said upper plate are disposed in a plurality of rectangular groups angularly offset about the axis of the table from one another at an angle of 90.degree. and so arranged that, when the table is turned through 90.degree., the tool with the smallest diameter is always at the front left as viewed toward the center of the table and the tool with the largest diameter is at the right rear with the diameter of the tools increasing from left to right and from front to rear in each group.

3. The tool holder defined in claim 1 wherein the holes of said lower disk are formed in a plurality of concentric circular arrays with the holes of each circular array being offset by half the pitch thereof relative to the holes of an adjacent circular array.

4. The tool holder defined in claim 1 wherein the holes of said upper disk are disposed along the sides of a square and said upper disk is further provided with another shank receiving hole at the intersection of the diagonals of said square.

Other info:

Inventors: Knaus, Reto (8051 Zurich, CH)

Application Number: 470079
Filing Date: 1974-05-15
Publication_date: 1976-06-29
Assignee:
Primary Class(es): 211/70.6 211/70, 211/129.1, 211/163, 248/145
Other Classes:
US Patent Ref:

432616	Jul, 1890	Herrick	211/70.
652257	Jun, 1900	Folger	211/163.
1162290	Nov, 1915	Koken	211/78.
1391222	Sep, 1921	Fleet	248/415.
2009485	Jul, 1935	Dodge	211/144.
2281849	May, 1942	McCoppin	211/77.
2464690	Mar, 1949	Ketchem	108/95.
3063568	Nov, 1962	Ladenheim et al.	211/77.
3266857	Aug, 1966	Anderson	211/144.
3805965	Apr, 1974	Champagne	211/163.

Other Refs:
Primary Examiner: Frazier, Roy D.
Assistant Examiner: Hafer, Robert A.
Attorney: Ross; Karl F., Dubno; Herbert