Severing by tearing or breaking – Breaking or tearing apparatus – Plural breakers
Patent
1990-10-03
1991-11-12
Yost, Frank T.
Severing by tearing or breaking
Breaking or tearing apparatus
Plural breakers
83700, B26D 718
Patent
active
050641107
ABSTRACT:
A fastening device for securing a tool on an adjustable crossbar of a waste stripping and blank separating station of a sheet processing machine includes a tie bar provided with a headed end which receives a support for the tool part, a pair of clamping jaws, each of which is provided with a supporting surface designed to enter in contact with the crossbar of the stripping station and have additional supporting surfaces designed to enter into contact with one another. The second end of the tie bars carries a tightening arrangement which provides three positions including a substantial release of pressure on the jaws to enable fixing and dismantling of the tool, an intermediate amount of pressure on the jaws to allow shifting of the arrangement along the crossbar and a third amount of pressure which provides a tightening or locking of the tool in a given position on the crossbar.
REFERENCES:
patent: 1198186 (1916-09-01), Brown
patent: 3432197 (1969-03-01), Albertine et al.
patent: 3784070 (1974-01-01), Vossen
patent: 4015495 (1977-04-01), Yerly
patent: 4248370 (1981-02-01), Schroter
patent: 4913016 (1990-04-01), Frei
Bobst SA
Husar John M.
Yost Frank T.
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