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2010-12-01T22:53:39+01:00
2010-10-18T15:00:04+01:00
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Jouve S.A., EPO - Publication - KB, TaggedPDF v1.27
EP-0597782-A1-19940518
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EP-0597782-A1-19940518
A power stapler having an improved clincher provides a stitcher head (24) for driving formed staples (16) into a stack of sheets (12). A clincher box (70) is positioned opposite the stitcher head (24). Clinchers (46) located in the clincher box (70) pivot upwardly under the force of a moving clincher bar (74) to deform ends (62) of the staple (16) to pass through the sheet stack (12). The clincher bar (74) or clinchers (46) include a stop (72,76) that limits retraction of the clinchers (46) into the box (70). Hence, as the staple (16) is driven by the stitcher head (24) through the sheets (12), the ends (62) of the staple (16) are brought into engagement with the clinchers (46) and plastically deform into a substantially inwardly curled shape. Following driving of the staple (16) by the stitcher head (24), the clincher bar (74) is actuated to rotate the clinchers (46) upwardly toward the stack (12) causing the curled tips (68) of the staple (16) to drive into the sheets (12). The clinchers (46) can include grooves (52a) that are angled into alignment along parallel angled lines so that the ends (91) of the staple (89) pass each other and do not interfere with each other upon clinching.
A power stapler having an improved clincher provides a stitcher head (24) for driving formed staples (16) into a stack of sheets (12). A clincher box (70) is positioned opposite the stitcher head (24). Clinchers (46) located in the clincher box (70) pivot upwardly under the force of a moving clincher bar (74) to deform ends (62) of the staple (16) to pass through the sheet stack (12). The clincher bar (74) or clinchers (46) include a stop (72,76) that limits retraction of the clinchers (46) into the box (70). Hence, as the staple (16) is driven by the stitcher head (24) through the sheets (12), the ends (62) of the staple (16) are brought into engagement with the clinchers (46) and plastically deform into a substantially inwardly curled shape. Following driving of the staple (16) by the stitcher head (24), the clincher bar (74) is actuated to rotate the clinchers (46) upwardly toward the stack (12) causing the curled tips (68) of the staple (16) to drive into the sheets (12). The clinchers (46) can include grooves (52a) that are angled into alignment along parallel angled lines so that the ends (91) of the staple (89) pass each other and do not interfere with each other upon clinching.
en
European Patent Office
EP0597782
EP 0597782
B27F 07/19
A power stapler
A power stapler - European Patent Office - EP 0597782 A1
A power stapler - European Patent Office - EP 0597782 A1
Adobe PDF Library 8.0
"EP0597782"; "EP 0597782"; "B27F 07/19"; "A power stapler"
1.4
1
B
12
EP
0597782
A1
1994-05-18
93420447
1993-11-10
US
976275
1992-11-13
B27F 07/19
ROLL SYSTEMS, INC.
Golicz, Roman M.
de Beaumont, Michel
A power stapler
Motorheftvorrichtung
A power stapler
Agrafeuse entraînée par moteur
A power stapler having an improved clincher provides a stitcher head (24) for driving formed staples (16) into a stack of sheets (12). A clincher box (70) is positioned opposite the stitcher head (24). Clinchers (46) located in the clincher box (70) pivot upwardly under the force of a moving clincher bar (74) to deform ends (62) of the staple (16) to pass through the sheet stack (12). The clincher bar (74) or clinchers (46) include a stop (72,76) that limits retraction of the clinchers (46) into the box (70). Hence, as the staple (16) is driven by the stitcher head (24) through the sheets (12), the ends (62) of the staple (16) are brought into engagement with the clinchers (46) and plastically deform into a substantially inwardly curled shape. Following driving of the staple (16) by the stitcher head (24), the clincher bar (74) is actuated to rotate the clinchers (46) upwardly toward the stack (12) causing the curled tips (68) of the staple (16) to drive into the sheets (12). The clinchers (46) can include grooves (52a) that are angled into alignment along parallel angled lines so that the ends (91) of the staple (89) pass each other and do not interfere with each other upon clinching.
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