Tangential thread-rolling head

Details Tangential thread-rolling head Tangential thread-rolling head

2006-07-11

2006-07-11

Tolan, Ed (Department: 3725)

Metal deforming

By use of tool acting during relative rotation between tool...

During rotation of work

Reexamination Certificate

active

07073361

ABSTRACT:
A tangential thread-rolling head comprising two fork-shaped rolling head arms in which thread-rolling dies are rotatably supported by means of parallel axles wherein the thread-rolling dies are in a lateral engagement with a pinion seated on the axles of a gearing coupling both thread-rolling dies and the thread-rolling dies and pinions have lateral jaws such that the jaws of the thread-rolling dies can be pushed into the jaws of the pinions laterally before the axles are mounted wherein the axles have disposed thereon an axially slidable bushing which is adapted to firmly be positioned axially against the pinion with the aid of locating means, wherein each bushing circumferentially has a fine pitch threaded portion which interengages with a female-threaded portion in a seating bore for the pinion and bushing and locking means are provided in the rolling head arms to lock the bushing in an occupied rotational position.

REFERENCES:
patent: 4336703 (1982-06-01), Thomas
patent: 4617816 (1986-10-01), Brinkman
patent: 6202461 (2001-03-01), Brinkman
patent: 6598444 (2003-07-01), Focken
patent: 871703 (1953-03-01), None
patent: 0 811 443 (2001-12-01), None
patent: 510133 (1920-02-01), None

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