Boring rod extension with two counter-rotating boring tool carri

Details Boring rod extension with two counter-rotating boring tool carri Boring rod extension with two counter-rotating boring tool carri

1974-11-26

1977-03-29

Yost, Frank T.

Cutting by use of rotating axially moving tool

Tool-support with means to move tool relative to tool-support

To move radially

408713, B23B 29034, B23B 5100

Patent

active

040146235

ABSTRACT:
An extension for a boring rod with two counter-rotating boring tool carriers. The boring tools of the carriers are arranged at opposite ends of the boring tool carrier and displaced through 180.degree. relative to each other. The boring tool carriers have a cylindrical shaft and are each guided within a chuck socket, which sockets have a cone on their external ends and both sockets are arranged within a through longitudinal bore in a housing capable of being mounted within the boring rod. Threaded rings are screwed into each end of the longitudinal bore and act in conjunction with the chuck socket through their internal conical part to effect an axial seating between the inner end of the chuck socket and an adjusting bushing, movable within the longitudinal bore, which engages by means of two threads running counter to each other with the corresponding threads of the boring tool carrier. A centering device is provided between the housing and the boring rod.

REFERENCES:
patent: 1563108 (1925-11-01), Prance
patent: 3697187 (1972-10-01), Faber et al.
patent: 3700346 (1972-10-01), Eckle
patent: 3724965 (1973-04-01), Green
patent: 3738767 (1973-06-01), Benjamin et al.
patent: 3767317 (1973-10-01), Ortlieb

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