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US 4,790,576 AGranted
Magnet catch
AssigneeKabushiki Kaisha Murakoshi Seiko
InventorsChiyokazu Higashi, Takayuki Tajima
Life of this patent
Estimating the term…
Abstract
A magnet catch wherein a magnet assembly is installed in a case from the front opening in such a way that it can be moved back and forth, an adjust cam is secured to an adjust spindle rotatably mounted to one side portion of the case and disposed in a direction perpendicular to that in which the magnet assembly advances and retracts, a cam groove is formed on the adjust cam in such a manner that the cam groove radius from the adjust spindle as the rotating center continuously changes, and a cam pin projecting from the magnet assembly is engaged with the cam groove.
Claims2
A magnet catch comprising:
- a case with an open front;
- a magnet assembly installed in the case from the front opening in such a way that it can be moved back and forth;
- an adjust spindle rotatably mounted to one side portion of the case and disposed in a direction perpendicular to that in which the magnet assembly advances and retracts;
- a cam pin projecting from the magnet assembly either on the front side or the rear side of the adjust spindle with respect to a moving direction of the magnet assembly;
- and
- an adjust cam secured to the adjust spindle so that it can rotate with the latter and having a cam groove with which the cam pin engages, the cam groove being formed in such a manner that the cam groove radius from the adjust spindle as the rotating center continuously changes.
3 more elements
Dependencies are inferred from the claim text.