초록 ▼

A buckle for safety belt comprising means for releasably locking in locked position a tongue plate inserted into the buckle body through an insertion opening, a slider disposed in the buckle body to be moved against the force of a spring by being urged by the inserted tongue plate, a contact pin ext

A buckle for safety belt comprising means for releasably locking in locked position a tongue plate inserted into the buckle body through an insertion opening, a slider disposed in the buckle body to be moved against the force of a spring by being urged by the inserted tongue plate, a contact pin extending through the slider to protrude from the opposite side faces thereof, and a pair of stationary contact strips disposed on opposite sides of the slider in the buckle body to be simultaneously engaged by or disengaged from the contact pin with the sliding movement of the slider.

대표청구항 ▼

A seat belt buckle having a switch assembly comprising: a bottom plate having a pair of upstanding walls extending from the opposite sides thereof respectively; a buckle cover adapted to be snugly fitted on and fixed to said bottom plate to constitute together with said bottom plate a buckle casing

A seat belt buckle having a switch assembly comprising: a bottom plate having a pair of upstanding walls extending from the opposite sides thereof respectively; a buckle cover adapted to be snugly fitted on and fixed to said bottom plate to constitute together with said bottom plate a buckle casing having an internal space therein, said buckle casing being provided at one end thereof with an opening for the insertion of a tongue plate, said buckle cover being provided in the top wall thereof with a slot for the unlocking manipulation on said tongue plate inserted through said insertion opening; a switch bracket having an open bottom and fixed to said bottom plate within the internal space of said buckle casing, and including a pair of stationary contact strips secured to said switch bracket, and a longitudinal guide slot bored in the top wall of the switch bracket; a slider mounted to said switch bracket to be slidable relative to said switch bracket in the longitudinal direction thereof and having a contact pin extending therethrough and protruding from the opposite side surfaces thereof in a direction substantially normal to the longitudinal axis thereof, an upstanding knob formed at the front end of said slider and projecting through the longitudinal guide slot bored in said switch bracket into an interference contact position with said tongue plate to be inserted and a longitudinal cut-out formed between a pair of side wall portions of the rear end of said slider; a coiled compression spring means disposed between the inner end of said cut-out in said slider and the rear wall of said switch bracket for urging said slider normally to be maintained in one of two predetermined positions, whereby with the insertion of said tongue plate through said insertion opening of said buckle casing, said knob is engaged and urged by the leading end of said tongue plate to be moved along said guide slot and simultaneously said slider being moved in a parallel direction with the movement of the inserted tongue plate relative to said switch bracket to the other of said predetermined position against the force of said spring means thereby bringing said protruding contact pin to the other of said predetermined pOsitions; and a locking lever for locking said tongue plate in inserted position, said locking lever being provided with means for receiving an unlocking force imparted thereto for the purpose of unlocking said inserted tongue plate from the locked position.