Cutting by use of rotating axially moving tool – With randomly-actuated stopping means – Responsive to condition of tool or tool-drive
Patent
1983-06-07
1985-03-26
Briggs, William R.
Cutting by use of rotating axially moving tool
With randomly-actuated stopping means
Responsive to condition of tool or tool-drive
408 9, 408 11, 408139, B23B 4900
Patent
active
045070253
ABSTRACT:
A tool holder assembly which includes a support and a chuck for a tool is disclosed in which the tool holder may be responsive to either torque or thrust overload, or a combination of both. The tool holder includes a movable signal member in the form of a longitudinally movable sleeve which may be actuated rearwardly to actuate a proximity switch to stop rotation of the tool holder assembly, for example. Spring means acts between the chuck and the support, with this spring means being preloaded. A hemispherical projection and a conical recess act between the chuck and the support so that if a longitudinal thrust is provided on the tool and chuck, it is transmitted directly through this projection and conical recess to additionally prestress the spring means and to rearwardly move the signal member sleeve. If an overload of torque is provided on the tool and chuck, then the hemispherical projection acts on the conical recess as a cam follower with a limited rotational movement between the chuck and the support to move the signal member sleeve rearwardly to actuate the proximity switch. The foregoing abstract is merely a resume of one general application, is not a complete discussion of all principles of operation or applications, and is not to be construed as a limitation on the scope of the claimed subject matter.
REFERENCES:
patent: 3283618 (1966-11-01), Schatzman
patent: 3299697 (1967-01-01), Sparling
patent: 3381550 (1968-05-01), Smith
patent: 3566719 (1971-03-01), Smith
patent: 3627437 (1971-12-01), Smith
patent: 3652099 (1972-03-01), Bilz
patent: 3723017 (1973-03-01), Bilz et al.
patent: 3816015 (1974-06-01), Bilz et al.
patent: 4090802 (1978-05-01), Bilz
patent: 4115025 (1978-09-01), Petroff
patent: 4193720 (1980-03-01), Machida
patent: 4260305 (1981-04-01), Clopton
Briggs William R.
Masco Machine Incorporated
Webb Glenn L.
LandOfFree
Combined torque and thrust overload responsive tool holder does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Combined torque and thrust overload responsive tool holder, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Combined torque and thrust overload responsive tool holder will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1291909