Flexible drive shaft casing for power operated rotary knife

A technology of drive shaft and flexible shaft, which is applied in metal processing, bone cleaning device, boning scissors/bone crusher, etc.

Inactive Publication Date: 2007-04-25
BETTCHER INDUSTRIES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The bushings are limited by several design requirements whic

Method used

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  • Flexible drive shaft casing for power operated rotary knife
  • Flexible drive shaft casing for power operated rotary knife
  • Flexible drive shaft casing for power operated rotary knife

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[0015] A flexible drive shaft transmission is indicated generally at 10 in FIG. 1 . The flexible drive transmission 10 is used to transmit drive from a motor 12 to a power tool 14, such as a rotary knife. 1, the described flexible shaft drive transmission 10 includes a flexible drive shaft assembly 20 connectable between the drive motor 12 and the tool 14, a tubular sleeve surrounding and coaxial with the drive shaft assembly 20 22, and a relatively viscous lubricant that is not shown in the sleeve 22. Where the drive 10 is used to operate a knife or other food industry tool, the lubricant is edible.

[0016] In the description of FIG. 1 , the motor 12 is an electric motor suspended above the workstation. The tool 14 is a rotary knife of the type used in the food processing industry to finish cuts of meat. The knives are held and pulled by hand through the meat at the workstation to trim the fat, remove the meat from the bone, slice the meat, and the like. The knife 14 is ...

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Abstract

A flexible shaft drive transmission for a power driven tool. The transmission features a first end connectable to a drive motor and a second end connectable to the power driven tool. The transmission includes a flexible drive shaft assembly comprising a flexible elongated drive transmitting member, a first end of the drive transmitting member including a first coupling operatively coupled to the drive motor and a second end of the drive transmitting member including a second coupling operatively coupled to the power driven tool. The transmission further includes a tubular casing surrounding and coaxial with said drive shaft assembly and supporting said drive shaft assembly for rotation generally about a longitudinal axis of said drive shaft assembly relative to said casing. The casing includes a core comprising a spiral wound strip of material having interlocking opposing edges, a braided wire layer surrounding the core, and a polymer layer surrounding the braided wire layer.

Description

[0001] This application claims priority to co-pending US Provisional Application No. 60 / 723,193, filed October 3, 2005, in the US Patent and Trademark Office, entitled "Flexible Drive Shaft Bushings for Electric Rotary Knives." technical field [0002] This invention relates to flexible drive shaft transmissions for an electric rotary knife, and more particularly, to a drive shaft sleeve for such a flexible drive shaft. Background technique [0003] Electric rotary knives are well known in the fresh meat industry and are widely used for removing fat and connective tissue from meat, extracting fat from bones, and raw thin slices or fillets. Such electric rotary knives typically include a rotating blade supported for rotation in a knife case. The blade case is connected to blade support means comprising a hollow handle terminating in the head unit. A pinion supported in the head unit is operatively connected to the rotating blade. [0004] A flexible drive shaft is drivingly...

Claims

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Application Information

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IPC IPC(8): A22C17/04A22C17/06B26B7/00B26B25/00
Inventor M·罗苏M·萨基M·P·坦赛L·F·福尔科尼
Owner BETTCHER INDUSTRIES
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