Browse Prior Art Database

HYDRAULIC STAPLE DRIVING MEANS

IP.com Disclosure Number: IPCOM000024118D
Original Publication Date: 1979-Oct-31
Included in the Prior Art Database: 2004-Apr-02
Document File: 2 page(s) / 205K

Publishing Venue

Xerox Disclosure Journal

Abstract

There is shown an arrangement for providing the necessary drive functions to one or more stapler devices 1 and 2 in a stapling apparatus which may be associated with a duplicating machine. Hydraulic or pneumatic power is acquired from a system including a motor 3, a pump 4 driven by the motor, a reservoir 5 of fluid for the system, an accumulator 6 for maintaining a steady supply of constant pressure and a pair of valves 7 and 8

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XEROX DISCLOSURE JOURNAL

HYDRAULIC STAPLE DRIVING MEANS

3ames E. Britt Brian F. Walsh

Proposed Classification

U.S. Cl. 227/120

mt. Cl, B25c 5/02

There is shown an arrangement for providing the necessary drive functions to one or more stapler devices 1 and 2 in a stapling apparatus which may be associated with a duplicating machine.

Hydraulic or pneumatic power is acquired from a system including a motor 3, a pump 4 driven by the motor, a reservoir 5 of fluid for the system, an accumulator 6 for maintaining a steady supply of constant pressure and a pair of valves 7 and 8

connected in parallel between the power system and each of the staplers, respectively. A suitable relief valve 9 is connected as shown for assuring constant pressure or as a safety measure.

Each of the stapler devices 1 and 2 is adapted to provide a stapling action comprising three actions: clamping, clinching and driving. Since the stapler devices are identical, only one will be described, Driving action is achieved by

vertical movement of the stapler head 10 by means of fluid pressure to a cylinder
11. Clamping action is achieved by fluid pressure being applied to clamping

cylinder 12 while clinching action is provided by fluid pressure being applied to a clinching cylinder 13.

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Volume 4 Number 5 September/October 1979 595

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