Title:
STAPLER APPARATUS
Document Type and Number:
WIPO Patent Application WO2003008160
Kind Code:
A3
Abstract:
Anvil arms (32a) and (32b) forming an anvil unit (30) are shaft-supported by second swing pivots (38s) and (38b). There are provided activating levers (27a) and (27b) ends of which touch abutting protrusions (28a) and (28b) disposed on the anvil arms (32a) and (32b), a anvil swinging shaft (37) moved reciprocally by cam members, and second springs (39a) and (39b) for urging the anvil arms (32a) and (32b) with ends of the activating levers (27a) and (27b) at the abutting protrusions (28a) and (28b). The activating levers (27a) and (27b) resist against the second springs (39a) and (39b) to separate from the abutting protrusions (28a) and (28b).
More Like This:
Inventors:
MOCHIZUKI NAOTO (JP)
Application Number:
PCT/IB2002/001927
Publication Date:
September 12, 2003
Filing Date:
May 31, 2002
Export Citation:
Assignee:
ACCO BRANDS INC (US)
MOCHIZUKI NAOTO (JP)
NISCA CORP (JP)
MOCHIZUKI NAOTO (JP)
NISCA CORP (JP)
International Classes:
B27F7/21; B27F7/36; B65H37/04; (IPC1-7): B27F7/17
Foreign References:
US4720033A | 1988-01-19 | |||
US5007572A | 1991-04-16 | |||
US5230457A | 1993-07-27 | |||
US5346114A | 1994-09-13 | |||
US5806750A | 1998-09-15 | |||
US6343785B1 | 2002-02-05 |
Download PDF:
Previous Patent: A METHOD AND AN APPARATUS FOR PRODUCING ELEMENTS BY PUNCHING
Next Patent: STAPLER APPARATUS
Next Patent: STAPLER APPARATUS