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:
Apr. 30, 2019
Filed:
Dec. 09, 2016
Oculus Optikgeraete Gmbh, Wetzlar, DE;
Carsten Feiertag, Hungen, DE;
Oculus Optikgeraete GmbH, Wetzlar, DE;
Abstract
The invention relates to a trial frame for determining the subjective refraction of a subject, comprising two lens holder devices for receiving lenses, a bridge, which adjustably connects the lens holder devices, a nose rest device having a pivotable and height-adjustable nose rest and two temples, which are adjustable in length and height, the bridge and the lens holder devices together forming a guide means for guiding the lens holder devices in the longitudinal direction of the bridge, the bridge having a spindle gear comprising a threaded spindle for adjusting the distance of the lens holder devices, wherein at least one guide protrusion is formed on each of the lens holder devices, said guide protrusion engaging into a guide groove formed in the bridge, open threaded sections being formed on each of the lens holder devices, the threaded spindle being engaged with the threaded section.