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:
May. 18, 1976
Filed:
Jun. 26, 1974
Applicant:
Inventor:
Edgar Stengel, Wuppertal-Hahnerberg, DT;
Assignee:
AEG-Elotherm G.m.b.H., Remscheid, DT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C21D / ;
U.S. Cl.
CPC ...
266133 ;
Abstract
An improved hardening apparatus of the type having a main carrier shaft which mounts pairs of indexing spiders which hold workpieces during treatment which includes quenching in a bath. The shaft is developed hollow and provided with a spur gear near one end which functions as a sunwheel of planetary gears. The hollow shaft is provided with perforations in the area of the spur gear through which it extends to engage the tailstock gear which is flanged to the housing surrounding the shaft.