Cutting – Means to drive or to guide tool – With means to connect or disconnect tool and its drive
Patent
1985-08-30
1987-04-14
Yost, Frank T.
Cutting
Means to drive or to guide tool
With means to connect or disconnect tool and its drive
83167, 83588, 83618, 83633, 83698, 412 43, B26F 102
Patent
active
046569073
ABSTRACT:
A hand-operated punch is formed of molded parts which interfit for easy and rapid assembly and disassembly. This feature is particularly useful if there are paper jams. A handle hooks under a wall of the base. Depressing the handle forces downward a transverse bar recessed to accept the upper ends of the male punch elements, which are spring-biased to travel with the transverse bar. The punch elements reciprocate within a die bar detachably connected to the base. The die bar is formed with a throat for insertion of papers to be punched. The front edge of the base is formed with a transverse groove to accept a male binder element during assembly of a book comprised of the punched paper.
REFERENCES:
patent: 2017195 (1935-10-01), Anderson et al.
patent: 2481883 (1949-09-01), Semler
patent: 4036088 (1977-07-01), Ruskin
patent: 4449436 (1984-05-01), Semerjian et al.
Caplan Julian
Phan Hien H.
Velo-Bind Inc.
Yost Frank T.
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