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Cutting tool with a gentle force curve

A technology for cutting tools and cutting points, which is applied in metal processing and other directions, and can solve the problems of increasing tool weight and complexity

Active Publication Date: 2020-09-18
OY FISKARS AB
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, such mechanisms are usually large, which increases the weight and complexity of the tool
Such a large mechanism is especially undesirable in smaller, manually operated cutting tools, such as trimmers, where the user desires light weight and ease of handling

Method used

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  • Cutting tool with a gentle force curve
  • Cutting tool with a gentle force curve
  • Cutting tool with a gentle force curve

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0016] Referring generally to the drawings, various embodiments disclosed herein relate to a manually operated cutting tool, such as scissors, that has a relatively flatter cutting force profile than conventional manually operated cutting tools. In this regard and as used herein, the term "cut force profile" (also referred to as the profile of the cutting force) refers to the rate at which the jaws or cutting elements of the tool are driven from fully open to fully closed ( That is, from the point of maximum separation to minimum separation), the cutting force required to cut through an object. For example, in conventional manually operated scissors, the force required to cut through an object increases as the cutting position moves toward the tip of the scissors (i.e., as the handle of the scissors moves from a fully open position to a fully closed position) . Such an increase in force can reduce ease of use and frustrate the user. This problem can be exacerbated by the gen...

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PUM

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Abstract

Various embodiments disclosed herein related to a hand operated cutting tool. The hand operated cutting tool may include a first cutting member; a first handle coupled to the first cutting member; a second handle having a second cutting member; and a pivot connection pivotably coupling the first handle to the second handle. The first cutting member may include a cutting device that defines a bow-shaped cutting profile, wherein the bow-shaped cutting profile facilitates an acceleration of a cut-point position defined by an interaction of the first and second cutting members as the first and second handles move from a fully open position to a fully closed position.

Description

technical field [0001] The present invention relates to manually operated cutting tools. More specifically, the present invention relates to manually operated cutting tools. Background technique [0002] Manually operated cutting tools are used in a variety of applications (eg pruning or pruning of tree branches, etc.). Some manually operated cutting tools may include devices (eg, levers and / or gears) intended to increase the leverage available to increase the force provided by the tool to cut an object. However, such mechanisms are often large, which adds weight and complexity to the tool. Such a large mechanism is particularly undesirable in smaller, manually operated cutting tools, such as trimmers, where the user desires light weight and ease of handling. Contents of the invention [0003] One embodiment involves a manually operated cutting tool. The manually operated cutting tool includes: a first cutting element; a first handle connected to the first cutting elem...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B26B13/06
CPCB26B13/06B26B13/28
Inventor 丹尼尔·坎宁安
Owner OY FISKARS AB