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:
Feb. 03, 2004
Filed:
Jun. 19, 2002
Hendrikus Jan Kapaan, Nieuwegein, NL;
Jacobus Zwarts, Nieuwegein, NL;
SKF Engineering and Research Centre B.V., Nieuwegein, NL;
Abstract
An actuator for a drum brake comprises a housing ( ), a screw mechanism having at least one screw ( ) and a nut ( ), which screw mechanism ( ) is supported with respect to the housing ( ), and drive means ( ) which are drivingly connected to the screw mechanism for providing a linear movement of at least one of the screw and nut with respect to the housing upon driving the screw mechanism. The screw mechanism comprises two axially aligned screws which have opposite lead angles and two corresponding nuts, said screws each engaging a respective nut, the drive means being connected to both screws or to both nuts.