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:
Feb. 15, 1977
Filed:
Oct. 09, 1975
Forrest L Langford, Northridge, CA (US);
Terminal Data Corporation, Woodland Hills, CA (US);
Abstract
A flow camera having film that moves only when an exposure is being made. A three-piece cassette is assembled and coacts with film path rollers for easy threading upon the rotation of a knob. Subsequent rotation of the knob fastens the cassette in place and positions capstan and dancer rollers for defining the operating film path. A double spring determines the egress film tension and a lever-roller combination having mechanical connection to the ingress dancer arm determines the ingress film tension. A fast slow motion is provided by acting upon the mechanical connection between the ingress dancer arm and the ingress film clutch.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile