Metal deforming – With means to drive tool – Including link-actuated tool support
Patent
1975-04-30
1977-09-20
Lanham, C.W.
Metal deforming
With means to drive tool
Including link-actuated tool support
72455, B21J 918
Patent
active
040488411
ABSTRACT:
Forming apparatus such as a press which includes a support or base having a bed which carries a crosshead mechanism. The crosshead mechanism is movable for reciprocation with respect to the bed in order to bring together co-operating parts of the form or press tooling respectively carried by the bed and crosshead mechanism. The crosshead mechanism is guided for such reciprocation relative to the support structure by a linear hydrostatic bearing mechanism and is driven by a pair of connecting rods coupled to corresponding spaced apart and axially aligned crankpins of a single crankshaft. Rotary hydrostatic bearing mechanisms are provided at both ends of the connecting rod for coupling it to the crankshaft and to the crosshead mechanism. The coupling of each connecting rod to its crankpin of the crankshaft is preferably accomplished through a bush mounted about a crankpin which in turn is mounted on the crankshaft. The bush is preferably eccentrically carried by the crankpin and is angularly adjustable thereabout for obtaining adjustment in the extent of reciprocation of the crosshead mechanism.
REFERENCES:
patent: 1052082 (1913-02-01), Miltner
patent: 2321325 (1943-06-01), Sherman
patent: 2532320 (1950-12-01), Maussnest
patent: 2891497 (1959-06-01), Treer
patent: 2970485 (1961-02-01), Frank
patent: 3375730 (1968-04-01), Antonenko
patent: 3508430 (1970-04-01), Edmondson
patent: 3858432 (1975-01-01), Voorhees
Crosby Gene P.
Lanham C.W.
Matrix Engineering Limited
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