Borescope apparatus

Details Borescope apparatus Borescope apparatus

1988-09-06

1991-02-12

McGraw, Vincent P.

Optics: measuring and testing

Inspection of flaws or impurities

Bore inspection

350 9626, G02B 2326

Patent

active

049919571

ABSTRACT:
A borescope apparatus having a borescope and a pressurized fluid supply device. The borescope has an operation unit and an insertion unit. The insertion unit comprises a bending tube portion, a jet port member coupled to a proximal end of the bending tube portion, and a flexible tube portion. The bending tube portion can be bent by operating the operation unit. The jet port member has a jet port. A pressuring fluid is supplied from the fluid supply unit to the jet port member, and is ejected through the jet port. The flexible tube portion can be bent by a jet of the fluid from through the jet port independently of the bending tube portion.

REFERENCES:
patent: 4189944 (1980-02-01), Day et al.
patent: 4485668 (1984-12-01), Hudson et al.
patent: 4735501 (1988-04-01), Ginsburgh et al.
patent: 4793326 (1988-12-01), Shishido

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