US Patent 7828540 Drive unit

Patent 7828540 was granted and assigned to Bosch (company) on November, 2010 by the United States Patent and Trademark Office.

Overview Structured Data Issues Contributors Activity

Is a

Patent

Patent attributes

Current Assignee

Bosch

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

78285400

Patent Inventor Names

Joerg Dantlgraber0

Date of Patent

November 9, 2010

Patent Application Number

115717280

Date Filed

July 1, 2005

Patent Primary Examiner

James Mackey

Patent abstract

Disclosed is a drive unit, in particular for an injection unit or an ejector of an injection molding machine, comprising a stroke spindle device with a spindle and a spindle nut, and a prestressing device for prestressing the spindle that is dischargeable in a displacement phase of the stroke spindle device and is chargeable when the spindle is driven in the opposite direction, wherein the stroke spindle device and the prestressing device are supported by the same component, and wherein a load measuring device is provided for measuring the load acting on the spindle, which senses the forces acting on the component.