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Band saw

A technology of band saws and saw blades, which is applied in the direction of sawing machine devices, metal sawing equipment, sawing machine accessories, etc., and can solve problems such as time-consuming and misalignment

Inactive Publication Date: 2004-08-18
CHANG TYPE INDAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In another example, despite being careful, the user may accidentally change the angle between the support surface and the tool, resulting in misalignment
While using gages or making trial cuts reduces error, these techniques are time consuming

Method used

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Experimental program
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Embodiment Construction

[0039] Reference will now be made in detail to the preferred embodiments of the invention, some of which are illustrated in the accompanying drawings.

[0040] Now generally refer to Figure 1AThrough 6B, represent typical embodiments of the present invention. In an exemplary embodiment, the tension adjustment mechanism of the present invention can apply a certain amount of tension to the blade of the band saw. The amount of tension can be varied to accommodate different sized saw blades being used. When using a band saw, the tension adjustment mechanism is often used in conjunction with a standard tension adjuster such as a threaded shaft or a rack and pinion arrangement. The tension adjustment mechanism provides the user with adjustment capabilities that supplement adjustments made using standard tension adjusters. This prolongs the life of the saw blade and prevents damage to other parts of the band saw.

[0041] Such as Figure 1A The illustrated band saw 100 generally ...

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PUM

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Abstract

A tensioning mechanism for a band saw comprises a tension spring assembly coupled with a sliding tension bracket which is adjustably coupled with an upper arm of the band saw. The sliding tension bracket engages an upper band wheel which couples with a band saw blade. A cam assembly is coupled with the tension spring assembly, the cam assembly imparts a rotational force which is translated into a linear tensioning force by the tension spring assembly upon the band saw blade. A cover assembly is selectively engaged with the cam assembly through use of a biasing assembly. The cover assembly includes an index indicator for identifying an index position, corresponding with the width of the band saw blade, of the cover assembly relative to the cam assembly. The cover assembly includes a handle which enables a user to selectively engage and rotate the cover assembly. The rotation of the handle in turn rotates the cam assembly applying the rotational force which is translated into the tensioning force.

Description

technical field [0001] The present invention generally relates to the field of cutting equipment, in particular to a continuous annular cutting device Background technique [0002] Band saws use a saw blade attached to a pair of pulleys, or pulleys. The pulleys are typically mounted on the same plane as the frame, with the mounting space separating the pulleys and allowing the pulleys to rotate about parallel axes. Typically, one of the pulleys is connected to a motor means which drives the pulley in rotation, thereby turning the saw blade. [0003] Typically, one of the pulleys can be moved relative to the position of the other while maintaining the same plane and parallel axes of rotation. This mobility allows the operator of the band saw to increase or decrease the distance between the upper and lower pulleys, thereby increasing or decreasing the tension applied to the band saw blade. This is commonly referred to as adjusting band saw blade tension. [0004] Proper ca...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23D55/02B23D55/08B23D55/10B23D59/00B23Q16/00B25F5/00
CPCY10T83/7239Y10T83/7251B23D55/026B23D55/10B23D59/006Y10T83/04
Inventor 罗伯特·多诺万德韦恩·斯坦福
Owner CHANG TYPE INDAL