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:
Sep. 14, 1999
Filed:
Jul. 01, 1997
Johann Scholler, Eppertshausen, DE;
Leybold Systems GmbH, Hanau, DE;
Abstract
In a device for lifting, pivoting and rotating the cover (5) of a vacuum container (14) of a crystal drawing apparatus, the device being equipped with a bolt (26) held by a stationary part (15) of the apparatus and extending vertically upward, a sleeve (24) being provided with projections (34,34'), which are permanently attached to it and which extend horizontally from it, the device also being provided with a pair of bolts (34,34'), and with a sleeve component (28), which is pivoted on the bolts (36,36'), whereby parallel to the sleeve component (28) a screw bolt (37) is sustained in the housing (35). A hand lever (21) is fixed on the screw bolt (37), which is connected with a screw nut (38), which supports itself on the rotary sleeve (24), where the sleeve component (28) surrounds a journal (27), which is permanently connected to the device part or to the cover (5).