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:
Oct. 18, 2011
Filed:
Apr. 10, 2009
Glenn Starkey, Wauconda, IL (US);
Anthony J. Cerniglia, Wauconda, IL (US);
Glenn Starkey, Wauconda, IL (US);
Anthony J. Cerniglia, Wauconda, IL (US);
Progressive Components International Corporation, Wauconda, IL (US);
Abstract
A friction puller for an injection mold is disclosed. The friction puller has a bolt with a head portion and a threaded portion. The friction puller has first and/or second first substantially hemispherical wedges having a first and/or second passages running through them for the bolt and allow lateral float about the bolt. The friction puller also has a deformable jacket having a third passage running through is for the bolt and first and second substantially hemispherical cups for receiving the first and second substantially hemispherical wedges. The first hemispherical wedge can have a vent relief notch disposed in a top surface of the first hemispherical wedge. The deformable jacket can have a jacket vent notch disposed in a top surface of the deformable jacket. The bolt head and the jacket can have alignment indicator marks thereon. The bolt threads can have a variable pitch diameter.