Patent ID: 6012322
Filing Date: 2000-01-11
Classification: B30B

Abstract:
A slide-driving device for knuckle presses comprising:a first support pin;said first support pin being affixed to a knuckle press frame;a bell crank having a lower arm and an upper arm rotatably supported on said first support pin;a drive train rotatably connected to said bell crank upper arm via a first connecting pin for rotating said bell crank about said first support pin;a middle link having an upper end and a lower end movably connected at said middle link upper end to said bell crank lower arm via a second connecting pin;a lower link having a bottom end and an upper end where said lower link bottom end is movably connected to a slide;a side link having a base end and a connecting end where said side link connecting end is connected to both said middle link lower end and said lower link upper end via a third connecting pin; andsaid side link base end is movably connected, via a second support pin, to a member disposed on said knuckle press frame.