Patent ID: 6138346
Filing Date: 2000-10-31
Classification: B25B,H01R,Y10T

Abstract:
A crimping tool for crimping an electrical connector onto an electrical conductor, comprising:(a) a gear housing (36);(b) a pair of crimping jaws (28, 30) a first one (30) of which is stationary and is connected with said housing;(c) first pivot means (80) connecting the other (28) of said crimping jaws for pivotal movement between released and crimping positions relative to said first crimping jaw;(d) spring means (116) biasing said second crimping jaw toward said released position relative to said first crimping jaw; and(e) drive means for pivoting said second crimping jaw from said released position toward said crimping position relative to said first crimping jaw, said drive means including:(1) first toggle means (100, 101) connected between said pair of crimping jaws, said toggle means including a first pair of first toggle links pivotally connected together at one end by second pivot means (104);(2) second toggle means including means defining a crank arm (D), and a toggle link (107) pivotally connected at one end with one end of said crank arm by third pivot means (70), said second toggle link being pivotally connected at its other end with said second pivot pin, said first, second, and third pivot means being parallel;(3) an electric motor (M) connected with said housing, said motor having a rotary output shaft; and(4) overrunning clutch means (143) normally having an engaged condition connecting said motor shaft with said crank arm means, said overrunning clutch means being automatically operable to a disengaged condition at the end of a crimping cycle following the displacement of said second crimping jaw from said released position toward said crimping position, whereupon said second crimping jaw is displaced by said spring means toward said released position.