Driving assembly for driving a plurality of mandrels

Cutting by use of rotating axially moving tool – Machine including plural tools – Plural – simultaneously operational tools

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C408S046000, C408S053000

Reexamination Certificate

active

06824334

ABSTRACT:

BACKGROUND OF THE INVENTION
The present invention relates to a driving assembly for driving a plurality of mandrels.
As is known, in a lot of industrial fields are conventionally used operating mandrels which are arranged in an adjoining relationship and are supported by a mandrel carriage which drives the mandrels on a workpiece to be machined.
In prior mandrel driving arrangements, the mandrels are actually driven independently from their contingent processing operations or requirements.
Accordingly, a comparatively amount of power is consumed, and the mandrel driving assembly generates a comparatively high amount of noise.
Another drawback is that a continuous driving of all the mandrels causes a quick mechanical wearing of the mandrels, thereby their rotary speed must be reduced, with a consequent less machining yield.
SUMMARY OF THE INVENTION
Accordingly, the aim of the present invention is to overcome the above mentioned problem, by providing a driving assembly for driving a plurality of mandrels, which allows to greatly reduce the usage of power necessary for either pneumatically or hydraulically driving said mandrels.
Within the scope of the above mentioned aim, a main object of the present invention is to provide such a mandrel driving assembly which operates practically noiseless, together with a less mechanical wearing, a greater rotary speed and, consequently, a larger yield.
Another object of the present invention is to provide such a mandrel driving assembly which allows the performance of simple maintenance operations of the mandrel, with a greater operating flexibility for driving the individual mandrels.
Another object of the present invention is to provide such a mandrel driving assembly which is very reliable and safe in operation.
Yet another object of the present invention is to provide such a mandrel driving assembly which can be easily made starting from easily available elements and materials and which, moreover, is very competitive from a mere economic standpoint.
According to one aspect of the present invention, the above mentioned aim and objects, as well as yet other objects, which will become more apparent hereinafter, are achieved by a driving assembly for driving a plurality of mandrels, comprising a carriage supporting a plurality of mandrels, arranged in an adjoining relationship along directions substantially parallel to a driving direction of said carriage, characterized in that said assembly comprises clamping means for removably clamping, at a withdrawn position, individual mandrels, and driving means for driving said individual mandrels, said driving means being actuated as the mandrel is arranged at an advanced position.


REFERENCES:
patent: 2590283 (1952-03-01), Weaver
patent: 2607197 (1952-08-01), Johnson
patent: 3614251 (1971-10-01), Witzig et al.
patent: 4915549 (1990-04-01), Riddell
patent: 5277523 (1994-01-01), Jones
patent: 6412156 (2002-07-01), Yunokawa et al.
patent: 02180513 (1990-07-01), None

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Driving assembly for driving a plurality of mandrels does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Driving assembly for driving a plurality of mandrels, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Driving assembly for driving a plurality of mandrels will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-3282961

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.