Bolt hole locating and marking tool

Details Bolt hole locating and marking tool Bolt hole locating and marking tool

1977-10-17

1982-12-14

Little, Willis

Geometrical instruments

Area integrators

Electrical

33189, B25H 704, B25D 100

Patent

active

043631738

ABSTRACT:
A bolt hole locating and marking tool includes a base member that serves as a support base and predetermined distance locator, a tubular guide member secured to the base member and extending outward from an aperture in the base member with an elongated impact member having a sharp point on one end and mounted within the tubular member so that the point can protrude from the tubular member beyond the aperture in the base member for engagement with a surface for providing a mark or indication. This tool includes handle or grip at the upper end thereof and a spring disposed between the handle and the tubular member for supporting the impact member with the point just short of protruding from the aperture. A locking member secures the impact member within the guide tube.

REFERENCES:
patent: 808704 (1906-01-01), Van Meter
patent: 912052 (1909-02-01), Albertson
patent: 3406460 (1968-10-01), Crowell

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