Patent ID: 6755423
Filing Date: 2004-06-29
Classification: B23D,B25B,B25F,B25G,Y10S,Y10T

Abstract:
A tool coupling device comprising:a stem including a front portion having a channel formed therein, and having an orifice laterally formed therein and communicating with said channel of said stem, and having an enlarged head provided thereon, a first tool member and at least one second tool member each including a first end for selectively engaging into said channel of said stem, and each including an aperture formed in said first end thereof, a ball slidably received in said orifice of said stem, and selectively engageable into said aperture of either said first tool member or said at least one second tool member, for detachably securing either said first tool member or said at least one second tool member to said stem, a barrel including a bore formed therein for rotatably receiving said stem, and including a middle portion having a peripheral bulge extended radially and inwardly into said bore of said barrel for forming a front chamber and a rear chamber in said barrel, and for selectively engaging with said ball, and for selectively forcing said ball into said aperture of either said first tool member or said at least one second tool member, and thus for detachably securing either said first tool member or said at least one second tool member to said stem, said enlarged head of said stem being slidably received in said front chamber of said barrel, said barrel including a ramp provided therein and inclined from said peripheral bulge toward said front chamber of said barrel, a spring engaged onto said stem, and engaged with said barrel, for biasing said peripheral bulge of said barrel to engage with said ball, and to force said ball into said aperture of either said first tool member or said at least one second tool member, and a collar secured onto said stem, and engaged with said spring, for engaging said spring between said collar of said stem and said peripheral bulge of said barrel.