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GB Patent: GB-191,105,422
Improvements in Machines for Drilling and Boring Metals.
Patentee:
Christopher William James (exact or similar names) - Hythe, Kent, England

USPTO Classifications:

Tool Categories:
metalworking machines : drilling and boring : drill presses : radial drill presses

Assignees:
Joshua Buckton & Co. - Leeds, England

Manufacturer:
Not known to have been produced

Witnesses:
Unknown

Patent Dates:
Applied: Mar. 04, 1911
Granted: Apr. 04, 1912

Patent Pictures:
Espacenet patent
Report data errors or omissions to steward Joel Havens
"Vintage Machinery" entry for Joshua Buckton & Co.
Christopher William James
Description:
Note: Early English patents (pre 1916) were numbered by the year and started at patent #1 at the start of each year in January. The patent # used in DATAMP represents the year of issue of the application and the patent #. This patent is #5422 of the year 1911.

Abstract:

A radial-arm drilling- machine has a column B rotatably mounted in the base and carrying a vertically adjustable radial arm A which is continued rearwardly at A<3> to form a support for a motor C in a fixed counterbalancing position. The horizontal driving shaft D from the motor passes forwards through a narrow slot A<4> in the column. The radial arm is provided with a clamping- sleeve A<2> and has a swivelling connexion at E operated through a worm-wheel E', and the drill-head F is swivelled to the saddle A<5> so that the spindle can be adjusted to any angle and position. The saddle slides on the side of the radial arm and the actuating-shaft D passes through the standard and the centre of the arm. The standard is received in the base on a floating ball bearing N, n, O and is rotated by a worm Q' carried by a casing on the standard gearing with a worm-wheel Q fixed to the pedestal of the machine and locked in position by means such as screws M, P. In. modifications, flanges on the standard are mounted in fixed ball bearings.

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