US 6,981,764 B2
Heat stake assembly and method for forming a stake pattern
Anthony D. Studer, Albany, Oreg. (US); and Kevin D. Almen, Albany, Oreg. (US)
Assigned to Hewlett-Packard Development Company, L.P., Houston, Tex. (US)
Filed on Dec. 10, 2003, as Appl. No. 10/732,160.
Prior Publication US 2005/0128256 A1, Jun. 16, 2005
Int. Cl. B41J 2/175 (2006.01)
U.S. Cl. 347—86 20 Claims
OG exemplary drawing
 
1. A heat stake head assembly, comprising:
a heating module including a heatable head surface;
a module head, comprising a housing having a plurality of through receptacles formed between a first surface and a second surface, said module head mountable onto said heating module such that said first surface is in contact with said heatable head surface;
a set of stake tip elements, each having a head end and a tip, each for fitting into one of said plurality of through receptacles such that the tips of the stake tip elements protrude from said second surface; and
a plurality of each biasing structures for biasing a respective stake tip element into contact with said heatable head surface.