Plunger mechanism for switch applications
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United States of America Patent
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Aug 11, 2015
Grant Date -
May 23, 2013
app pub date -
Nov 18, 2011
filing date -
Nov 18, 2011
priority date (Note) -
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Abstract
A plunger mechanism (100) is formed of a plunger (102) having a cylindrical body with a half-spherical tip (104). The plunger mechanism (100) is overmolded (108) such that half-spherical tip (104) is exposed. The plunger mechanism provides a drop-in component for a housing (404) having a rotary control (402) with one or more detents (408). The exposed half-spherical tip (104) makes contact with the detents (408) as a rotary control knob (406) is rotated thereby providing improved torque and tactility without the use of springs and without captivation issues.
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