Kurt J Scheidenhelm

US Patent:

8516671, Aug 27, 2013

Filed:

Aug 20, 2009

Appl. No.:

12/544249

Inventors:

Kurt J. Scheidenhelm - Bloomington IL, US

Assignee:

Caterpillar Inc. - Peoria IL

International Classification:

B23P 11/00
B23Q 7/10

US Classification:

29252, 29243525, 29818, 60534

Abstract:

A hydraulic seal installation tool having an elongate body portion fixedly attached to a holding portion. The elongate body portion has a hydraulic cylinder actuation means, and a driver mechanism head portion is coupled to the elongate body portion; and an installation method for mounting a seal, involving the steps of presenting a hydraulic seal installation tool to a seal bore, where the tool has a lip seal inserted upon a driver ring of the tool. Inserting the tool into the seal bore, depressing an activation button on a handle of the tool thereby actuating a hydraulic cylinder actuation means. Expanding a plurality of engagement projection fingers, locking the plurality of engagement projection fingers in place while providing an axial alignment reaction force; overcoming a first actuation force on a spring to actuate the driver ring, by a second actuation force, pulling the seal into seal bore, dwelling for approximately five seconds to fully seat the seal, breaking the circuit to the hydraulic actuation means by releasing the activation button. Withdrawing the driver ring from the seal, retracting the engagement projection fingers and withdrawing the tool from the seal bore.

US Patent:

20060070804, Apr 6, 2006

Filed:

Sep 27, 2004

Appl. No.:

10/950956

Inventors:

Robert Lapke - Peoria IL, US
Kurt Scheidenhelm - Bloomington IL, US
Eric Beaupre - Peoria IL, US

International Classification:

E06C 5/00

US Classification:

182127000

Abstract:

A work machine and work machine access ladder assembly are provided. The work machine includes a work machine body having an operator platform. A hinge mechanism is coupled to the work machine body and defines a hinge axis oriented diagonally with respect to a vertical line. The ladder may be rotated about the hinge axis between a use and a stowed position.