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US 2016/0067876 A1Published application
Raising Apparatus
OwnerJoachim Jakobinventor
Life of this patent
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Abstract
The invention concerns a raising apparatus for lifting sheets of material in tools, in particular punching and stripping tools, with a first spring element which possesses a first spring rate, and a second spring element which possesses a second spring rate.
Claims18
A tool for lifting at least one item selected from the group consisting of a sheet of paper, a sheet of cardboard, a punched piece of paper and a punched piece of cardboard, the tool comprising:
- a holding slot;
- and
- a raising apparatus configured to be in the holding slot, the raising apparatus comprising a one-piece plastic article comprising each of
- a block,
- a first spring element connected to the block, the first spring element having a first spring rate, and
- a second spring element connected to the block, the second spring element having a second spring rate that is different from the first spring rate.
3 more elements
Dependencies are inferred from the claim text.