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Metal Working

Cable-connecting-device

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Cable connecting device

Details

Inventors: Ichikawa, Souji;
Assignee: Mitutoyo Mfg. Co., Ltd. (Tokyo, JP)
Primary Examiner:
Assistant Examiner:
Attorney, Agent or Firm:

A cable connecting device is disclosed for detachably, electrically connecting a flexible cable protected by a flexible electric wire tube to a wiring in a component movable within a predetermined scope. The device includes a first cylindrical member enclosingly supporting the first connector with its end portion being exposed connected to an electric circuit in the component; a second connector connected to the first connector and the cable; a second cylindrical member enclosingly supporting the second connector except the end portion and adapted to abut at the end face thereof against the end face of the first cylindrical member when the second connector is coupled to the first connector; a first tightening tubular member threadably coupled to the threaded portion of the first cylindrical member when the first and second cylindrical members are in abutting contact with each other; a first seal member interposed between opposing outer peripheral end faces of the first and second connectors; a second seal member interposed between the inner periphery of the second cylindrical member and the outer periphery of cable enclosed by the second cylindrical member to seal a space formed by the both members at a position of the end portion of the second cylindrical member on the cable's side; and second tightening tubular member engageable with a member on the cable's side and adapted to push the second seal member between the inner periphery of the second cylindrical member and the outer periphery of the cable when the second cylindrical member is threadably coupled.

DETAILED DESCRIPTION It is therefore the primary object of the present invention to provide a cable connecting device wherein oil and the like are reliably prevented from intruding into a component movable within a predetermined scope without providing another member such as a connection box, and replacement of a flexible cable is facilitated.
Another object of the present invention is to provide a cable connecting device rendered compact in size and light in weight, and a load acting on a component during movement is low.
A further object of the present invention is to provide a cable conncting device capable of being readily electrically shielded through a flexible electric wire tube formed of a metal material without requiring additional works of soldering and the like.
A still further object of the present invention is to provide a cable connecting device capable of easily and reliably mounting thereto or releasing therefrom a flexible cable without requiring works of adhesively bonding a flexible electric wire tube to a component and removing a soldered portion therefrom.
Another object of the present invention is to provide a cable connecting device in a linear type displacement detecting apparatus, wherein oil and the like is reliably prevented from intruding into a slider without providing another member such as a connection box and with no interfering with parts on the main body such as an elongate case, and moreover, replacement of a flexible cable is facilitated.
A further object of the present invention is to provide a cable connecting device in a linear type displacement detecting apparatus, rendered compact in size and light in weight, and a load acting on the detecting apparatus is low during measuring.
A still further object of the present invention is to provide a cable connecting device in a linear type displacement detecting apparatus, capable of easily electrically shielding through a flexible electric wire tube formed of a metal material without requiring works of soldering and the like

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