Metal deforming – By three or more coacting relatively movable tools – Concurrently actuated tools
Patent
1990-09-28
1992-03-03
Crane, Daniel C.
Metal deforming
By three or more coacting relatively movable tools
Concurrently actuated tools
72452, 29237, B21D 4104
Patent
active
050921525
ABSTRACT:
An improved crimping machine for crimping fittings on high pressure flexible hose of the type having a pair of opposed anvils moveable between an uncrimp position and a crimp position. A split crimp cage with each half thereof attached to respective ones of the anvils is provided. The crimp cage retains a plurality of crimping dies axially slideable within corresponding cage slots that are arranged in a uniform circular pattern about the cage. The cage slots extend radially from a common central transverse axis. The improvement comprises the use of crimping dies having substantially the same radial length, and substantially flat anvil cam surfaces that actuate the crimping dies to move at a uniform rate during a crimping operation. To achieve the uniform rate of travel, the flat anvil cam surfaces are oriented at a predetermined angle relative to the corresponding crimping die radial axis.
REFERENCES:
patent: 3455140 (1969-07-01), Galan
patent: 3731518 (1973-05-01), Blocher
patent: 4339940 (1982-07-01), MacKay
patent: 4785656 (1988-11-01), Kennedy
patent: 4854031 (1989-08-01), Eisenzimmer
patent: 4989443 (1991-02-01), Sawdon
Cawley Michael D.
Miller William P.
Baker James A.
Crane Daniel C.
Parker-Hannifin Corporation
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