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.

Date of Patent:
May. 31, 2016

Filed:

Apr. 23, 2012
Applicants:

Bastiaan Johannes DE Wit, Groningen, NL;

Fokke Roelof Voorhorst, Drachten, NL;

Johannes Tseard Van Der Kool, Hurdegaryp, NL;

Sepas Setayesh, Drachten, NL;

Inventors:

Bastiaan Johannes De Wit, Groningen, NL;

Fokke Roelof Voorhorst, Drachten, NL;

Johannes Tseard Van Der Kool, Hurdegaryp, NL;

Sepas Setayesh, Drachten, NL;

Assignee:

KONINKLIJKE PHILIPS B.V., Eindhoven, NL;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A47L 9/04 (2006.01); A47L 11/40 (2006.01);
U.S. Cl.
CPC ...
A47L 9/04 (2013.01); A47L 9/0427 (2013.01); A47L 11/40 (2013.01); A47L 11/4041 (2013.01); A47L 11/4069 (2013.01);
Abstract

A device for performing an action on a surface comprises at least one movably arranged functional body (), driving means for driving the functional body (), main safety means for decoupling the driving means from the functional body () when a load exerted by the functional body () in the direction of the driving means under the influence of resistance forces experienced by the functional body () exceeds a predetermined maximum value, and additional safety means () which are movably arranged in the vicinity of the functional body (), and which are capable of exerting loads on the main safety means to different extents in different positions, at a side of the main safety means associated with the functional body (). The additional safety means may comprise a bar () having a non-circular cross-sectional area, which is rotatable about its longitudinal axis ().


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