Patent ID: 7189186
Filing Date: 2007-03-13
Classification: F16H,Y10T

Abstract:
1. A brake transmission shift interlock actuator, comprising: a bobbin defining an open end; a plunger slidably disposed within the bobbin; a plunger rod extending from the plunger; a portion of a central hub of a primary plate installed within the open end of the bobbin; wherein a magnetic force of attraction between the plunger and the primary plate diminishes as the plunger approaches the primary plate; and wherein the plunger is movable between an unlocked position, wherein the plunger rod does not extend through the primary plate and a locked position, wherein at least a first end of the plunger rod extends through a bore formed by the primary plate; and wherein the bobbin defines a closed end, the closed end of the bobbin comprising: a pocket; and plural ribs extending radially into the pocket.