Elongated-member-driving apparatus – With means to head member – Heading tool extends within hollow portion of member
Patent
1986-03-17
1987-06-30
Abercrombie, Willie G.
Elongated-member-driving apparatus
With means to head member
Heading tool extends within hollow portion of member
30392, 83639, 227 9, A22B 520
Patent
active
046759441
ABSTRACT:
A pneumatic meat saw including an on-off valve which is actuated to allow air flow to either side of a disk in a shuttle valve. The shuttle valve controls the flow of air to opposite sides of a piston which is operatively connected to a drive shaft which has the saw blade secured thereto. The shuttle valve causes the piston to be reciprocated which in turn causes the saw blade to be reciprocated.
REFERENCES:
patent: 1704641 (1929-03-01), Weed
patent: 2808083 (1957-10-01), Miller
patent: 3155011 (1964-11-01), Hyskell
patent: 3640280 (1972-02-01), Slanker
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