Horst E Maack

US Patent:

20120085353, Apr 12, 2012

Filed:

Jul 14, 2011

Appl. No.:

13/183055

Inventors:

Robert A. Siston - Dublin OH, US
Thomas L. Maack - Cincinnati OH, US
Cornel C. Van Gorp - Powell OH, US
Horst E. Maack - Cincinnati OH, US

Assignee:

THE OHIO STATE UNIVERSITY - Columbus OH

International Classification:

A61G 15/00
A61B 5/103

US Classification:

128845, 600595

Abstract:

The stability of an animal joint, especially a knee, is assessed with an arrangement having track arranged about perpendicular to the axis of the distal portion; a cart slidably engaged to the track; a fork positioned on the cart; a support adapted to receive the distal linear portion, the support connected to the fork; a lever arm connected to the support, the lever arm positioned to rotate the support about the axis of the distal portion; and at least one instrumented handle, the instrumented handle detachably engages at least one of the cart and the lever arm. In some embodiments, the fork can rotate freely on the cart. Additionally, in various embodiments, the cart may be selectively locked at a position along the length of the track. In various embodiments, the arrangement further comprises: a bracket rigidly attached to the distal portion and positioned between the support and the joint; and the at least one instrumented handle detachably engages the bracket.

US Patent:

47305967, Mar 15, 1988

Filed:

Oct 6, 1986

Appl. No.:

6/915461

Inventors:

Horst E. Maack - Cincinnati OH
Manfred M. Funke - Cincinnati OH

Assignee:

Cincinnati Milacron Inc. - Cincinnati OH

International Classification:

B24B 5314
F16C 704

US Classification:

125 11CD

Abstract:

A dressing roll unit is supported on a nonrotating shaft clamped and maintained as a "fixed end" beam, thereby restrained against axial movement and deflection. The shaft is formed with spaced-apart bearing points, wherein wedge-shaped relief sectors are formed about the shaft at the bearing points, and a roll body is maintained about the bearing points with an annular clearance. Rotation of the dressing roll body and roll thereby forms high pressure hydrodynamic wedges of oil at the relief sectors and annular clearances, to create an extremely rigid roll mounting unit, without the need for pivoting bearing parts.

US Patent:

57660573, Jun 16, 1998

Filed:

Apr 19, 1995

Appl. No.:

8/424673

Inventors:

Horst E. Maack - Cincinnati OH

Assignee:

Cincinnati Milacron Inc. - Cincinnati OH

International Classification:

B24B 4918

US Classification:

451 21

Abstract:

Grinding and regulating wheels are carried on opposed feed slides on a machine base. A workrest is fixed to the base between the opposed wheels. Wheel dressers are mounted to cross-slides on the base, behind the wheels, independent of the feed slides. CNC dressing occurs through combined transverse motions of feed slide (with wheel) and cross slide (with dresser).

US Patent:

46119345, Sep 16, 1986

Filed:

Sep 9, 1985

Appl. No.:

6/773753

Inventors:

Tadeusz W. Piotrowski - Cincinnati OH
Horst E. Maack - Cincinnati OH

Assignee:

Cincinnati Milacron Inc. - Cincinnati OH

International Classification:

F16C 2306
F16C 2506
F16C 4304

US Classification:

384517

Abstract:

A spindle is rotatably mounted within a housing on spaced-apart antifriction bearings. The inner races of the bearings are held solidly against shoulder portions of the spindle and the outer race of the front bearing is mounted against a shoulder in the housing. The outer race of the rear bearing is supported in a circular diaphragm concentric with the spindle axis, which may be flexed along the axis to load the bearings against one another. A hydraulic chamber is formed against the diaphragm to load the diaphragm at preselected intervals, and a stop plate is provided in the housing to limit movement of the outer race is a distance corresponding to a maximum preload in the bearings. When the stop plate is contacted, hydraulic pressure may be greatly increased to further load the diaphragm and its corresponding outer race solidly against the stop plate without further increasing the preload in the bearing set, providing a high holding force resistant to spindle pull out.