Metal deforming – With cutting – By composite tool
Patent
1996-12-13
1998-06-09
Crane, Daniel C.
Metal deforming
With cutting
By composite tool
7240912, 81363, B21D 2810
Patent
active
057619484
ABSTRACT:
A multi-functional pliers has a body with a first fixed arm with a gripping portion. A second arm is connected with a first end to the body and has a gripping portion remote from the first end. The body has a pivot pin and the first end of the second arm is pivotably connected to the pivot pin. A blade is moveably mounted in the body. A toggle mechanism for transforming a rotary movement of the second arm into a translatory movement of the blade is provided. A returning part is connected to the body and a die member is connected thereto. The blade has a tool connected to one end thereof facing the die member. The first and second arms in a rest position of the pliers are positioned adjacent to one another such that the first and second arms can be gripped with one hand by a user, wherein by squeezing the fingers of the hand the second arm is moved toward the first arm. The toggle mechanism includes a control rod. The blade has an articulation pin to which the control rod is pivotably connected. The body has a fixed pivot member to which the control rod is pivotably connected. The toggle mechanism includes a transmission link for driving the control rod. The transmission link is connected with a first end to the second arm and with a second end to the control rod at a location between the articulation pin and the pivot member.
REFERENCES:
patent: 1811452 (1931-06-01), Blalock
patent: 2892368 (1959-06-01), Demler
patent: 3837211 (1974-09-01), Gress
patent: 4526070 (1985-07-01), Wiener
patent: 5287716 (1994-02-01), Szulc
Crane Daniel C.
Etablissements Pierre Grehal Et. Compagnie SA
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