Patent ID: 8127589
Filing Date: 2012-03-06
Classification: B25B,H01R

Abstract:
1. Pliers for pressing work pieces, comprising: a first hand lever; a second hand lever, said first and second hand levers being designed and arranged to be movable with respect to one another; a head; at least two pressing jaws, said pressing jaws being located in the region of said head and being designed and arranged to approach one another during a working stroke of said pliers to press a work piece, the working stroke including a first partial stroke and a second partial stroke wherein said pressing jaws are located in an open position when said hand levers are located in a closed position; a first transfer mechanism, said first transfer mechanism being formed by a first toggle lever drive, said first toggle lever drive including a first toggle joint being formed by a first joint, said first toggle lever drive being designed and arranged to transmit forces applied by a user to said hand levers to said pressing jaws to produce a first pressing force during the first partial stroke, the first pressing force being applied by each of the at least two pressing jaws in a crimping direction towards the work piece wherein the first transfer mechanism is designed and arranged to attain the first partial stroke by moving said first and second hand lever with respect to one another in a first direction; and a second transfer mechanism, said second transfer mechanism being formed by a second toggle lever drive, said second toggle lever drive including a second toggle joint being formed by a second joint, said second toggle lever drive being designed and arranged to transmit forces applied by a user to said hand levers to said pressing jaws to produce a second pressing force during the second partial stroke, the second pressing force being applied by each of the at least two pressing jaws in the crimping direction towards the work piece wherein the second transfer mechanism is designed and arranged to attain the second partial stroke by moving said first and second hand lever with respect to one another in a second direction other than the first direction.