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:
Jul. 30, 1996
Filed:
Oct. 16, 1994
Thomas A Fletcher, Stephenson, IL (US);
Timothy S Whalen, Stephenson, IL (US);
Honeywell Inc., Minneapolis, MN (US);
Abstract
An enclosure sensing apparatus is provided which monitors the movement of a key structure relative to a housing structure. The purpose of the device is to determine that a moveable object has moved into an appropriate position relative to a stationary object. First, second and third magnetically sensitive devices are provided within a housing structure. First and second magnets are attached to a key structure that is moveable relative to the housing structure and a third magnet is provided within the housing structure to advantageously affect the operation of the second magnetically sensitive device. Several positions of the key structure can be specifically identified as the key structure passes through a path provided within the housing structure. In addition, a latching mechanism is provided to lock the relative position of the key structure and the housing structure when the key structure has reached a preselect position relative to the housing structure.