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:
Jun. 09, 1981
Filed:
Mar. 25, 1980
Richard Brander, Cicero, IL (US);
Beltone Electronics Corporation, Chicago, IL (US);
Abstract
An improved battery door structure is provided which has advantageous use in compact electronic apparatus, as for example a hearing aid, electronic watch, miniature calculator and other types of small battery operated devices. The structure includes a body member including a power source, such as a small battery. The structure is provided with a battery receptacle which has a hinged door, which may be opened and closed at will from the outside of the body member. In one preferred embodiment, the body member may be readily removable and replaceable from the remainder of the structure. The body member as a unit is provided with plastic members forming plastic hinge means for the battery door. The battery door includes hinge pivot pin means wherein the door and hinge pivot means preferably are molded as one piece.