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. 08, 1994
Filed:
May. 19, 1992
Yoshiya Kinoshita, Ikoma, JP;
Kouichi Yamauchi, Yamatokoriyama, JP;
Sharp Kabushiki Kaisha, Osaka, JP;
Abstract
Opening/closing mechanisms for an image formation apparatus is provided to facilitate operations for exchange of, e.g., a fixing unit and paper jam. To exchange the fixing unit, a releasing lever 99a allows a pressing strip 55 to pivot a contact maker 67 of the first opening/closing mechanism X1 and pivot a pivoting member 65. Thus, a contact pad 71 can release an upper coupling strip 61 from a pin 62 of an intermediate frame 23, and an upper frame 24 can be independently opened. To remove a jammed paper, a switch lever 103b allows the pressing strip 55 to move horizontally. Thereafter, the pressing strip 55 is contacted with a lower releasing strip 54 of the second opening/closing mechanism X2 in response to operation of the releasing lever 99a. Thus, an engaging member 83 is released from a pin 81 of a lower frame 21 so that the upper frame 24 is released from the intermediate frame 23. Further, the contact maker 67 of the first opening/closing mechanism X1 is lowered by a spring 74, and transferred below a movement locus of the pressing strip 55. Therefore, the intermediate frame 23 never drops even if the releasing lever 99a is operated.