PNEUMOHYDRAULIC RIVETING TOOL Russian patent published in 1998 - IPC

Abstract RU 2118222 C1

FIELD: mechanical engineering; assembling sheet materials by means of blind shear-pin rivets. SUBSTANCE: tool has cylindrical body accommodating rivet shank clamping unit and reciprocating drive in the form of isolated pneumatic chamber and main and additional hydraulic chambers installed in tandem. Pneumatic chamber has piston with rod that functions as hydraulic-chamber plunger. Additional hydraulic chambers are formed by inner cylindrical surface of body, fixed diaphragms, and additional moving pistons. One of the latter has cylindrical cavity accommodating auxiliary piston whose rod is connected to rived shank clamping unit. EFFECT: facilitated assembly procedure. 2 dwg

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RU 2 118 222 C1

Authors

Kolomiets Vladimir Georgievich

Dates

1998-08-27—Published

1994-01-28—Filed