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CISAILLES COMPRENANT UNE PREMIÈRE ET UNE SECONDE PARTIE DE CISAILLE
专利权人:
HUSQVARNA AB
发明人:
申请号:
EP19166807.8
公开号:
EP3527065A1
申请日:
2015.04.09
申请国别(地区):
EP
年份:
2019
代理人:
摘要:
The invention relates to shears, in particular pruning shears or secateurs (1), comprising a first shear part (3) and a second shear part (3'). Each of the first and second shear parts (3,3') have a cutting blade (11, 11') and a shaft or lever arm (5, 5') which are arranged at opposite sides of a pivot (7) which rotatably connects the first and second shear parts (3, 3') with each other. The shears further comprise a laminated or flat spring element (27) acting upon the first and second shear parts (3, 3') to move the shears on to an open position. The laminated or flat spring element (27) comprises a first portion (27') fixedly arranged at or allocated to the first shear part (3) and a flexibly arranged second portion (27'') acting on the second shear part (3'). In order to provide a movement of the laminated or flat spring element (27) on a contacting surface at the second shear part (3') without or with only very low friction, thus avoiding occurrence of noise or abrasion, the second shear part (5') comprises a rounded surface or curve at a contraction area which constitutes the touching zone between the second shear part (5') and the laminated or flat spring element (27).
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