Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing co. · leaf 193
677. PORTABLE RIVETER, Allenmodel. The toggle joint is pivoted to a camand also within the trunk piston. By thedifferential trunk form, the return stroke econ-omizes the compressed air, the large piston^=* area giving great power to the riveting stroke. … 678. PNEUMATIC PORTABLE RIVETER.—Direct piston and toggle-joint motion to the levers.The m,achine is balanced on a forked suspender. The piston draws the toggle joint in by air pressure.
Mechanical movements
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