Circulating lubrication oil passage structure of toggle...

Details Circulating lubrication oil passage structure of toggle... Circulating lubrication oil passage structure of toggle...

2008-04-01

2008-04-01

Mackey, James P. (Department: 1791)

Plastic article or earthenware shaping or treating: apparatus

With means lubricating cooperating apparatus parts

C164S149000, C184S006190, C425S451600, C425S593000, C100S286000

Reexamination Certificate

active

07351049

ABSTRACT:
A toggle mechanism of an injection molding machine consists of upper and lower toggle assemblies, which are pivoted to a fixed tail support at a first end, and a movable mold support of an injection molding machine at a second end; each of the toggle assemblies has two toggles pivoted together, each of which has pivotal holes on two ends; pivotal rods are passed through corresponding pivotal holes of the toggles to pivot the toggles together; pivotal rods are used to pivot the toggle assemblies to the fixed tail support and the movable mold support; each pivotal rod has oil holes in radial and axial directions; the oil holes communicate with the pivotal holes of the toggles, and each toggle has an internal oil passage communicating with its pivotal holes; lubricating oil will circulate in the toggle mechanism after conduits and filtering barrels are connected to the pivotal rods.

REFERENCES:
patent: 2306323 (1942-12-01), Schoepfin et al.
patent: 5217662 (1993-06-01), Yamamura et al.
patent: 6-71412 (1994-03-01), None
patent: 6-190885 (1994-07-01), None
patent: 10-180834 (1998-07-01), None
patent: 2000-141436 (2000-05-01), None
patent: WO 2005/077639 (2005-08-01), None

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