US4489629A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Boring and facing head as well as a machine designed for receiving this head
Assignee: D'ANDREA SpA MILAN ITALY A CORP OF ITALY
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Filing: 1981-12-14
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Granted: 1984-12-25
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Expires: 2001-12-14
Abstract
Abstract A boring and facing head for use in a machine tool comprising a body for insertion into a spindle on the machine tool, a tool, a slide mechanism for supporting the tool for movement transversely of the body, a series of shafts and gears for actuating the slide, and a coupling tongue located at the end of one of these shafts and slidably engageable with a rotary device supported by the machine tool whose rotary movement is precision-controlled by a numerical control unit.
Inventors
- 👤 Nicola D'Andrea
- 👤 Ermanno D'Andrea
- 👤 Castellini Adriano
- 👤 Medea Ferdinando
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:27
CPC Classifications
B; B23; B23B; B23B29/00; B23B29/03; B23B29/034; B23B29/03432; B23B29/03435; B23B29/03439; Y; Y10; Y10T; Y10T483/00; Y10T483/17; Y10T483/1733; Y10T483/1736; Y10T483/1738; Y10T82/00; Y10T82/12
Claims Analysis
Total Claims: 20
Claim 1
Independent Claim
99 words
A boring and facing head for use in a machine tool, the combination comprising: a body adapted to be inserted into a spindle on the machine tool; a tool; first means, coupled to said body and said tool, for supporting said tool for movement transversely of said body; and second means, coupled to said first means and slidably engageable with a rotation device supported by the machine tool whose rotary movement is precision-controlled by a numerical control unit, for moving said tool transversely of said body in a precision-controlled manner, said second means being laterally spaced from said body.
Claim 2
Dependent Claim
99 words
A boring and facing head for use in a machine tool, the combination comprising: a body adapted to be inserted into a spindle on the machine tool; a tool; first means, coupled to said body and said tool, for supporting said tool for movement transversely of said body; and second means, coupled to said first means and slidably engageable with a rotation device supported by the machine tool whose rotary movement is precision-controlled by a numerical control unit, for moving said tool transversely of said body in a precision-controlled manner, said second means being laterally spaced from said body.
Claim 3
Dependent Claim
26 words
A head according to claim 1, wherein said second means includes a coupling tongue having a longitudinal axis parallel to the longitudinal axis of said body.
Claim 4
Dependent Claim
40 words
A head according to claim 1, wherein said second means comprises a coupling tongue slidably engaging the rotation device supported by the machine tool, and a rotational drive transmitting member coupled to said coupling tongue and to said first means.
Claim 5
Dependent Claim
26 words
A head according to claim 1, wherein said second means comprises a coupling tongue for slidable engagement with a rotatable sleeve coupled to the rotation device.
Claim 6
Dependent Claim
156 words
A boring and facing head for use in a machine tool, the combination comprising: a body adapted to be inserted into a spindle on the machine tool; a tool; first means, coupled to said body and said tool, for supporting said tool for movement transversely of said body; and second means, coupled to said first means and slidably engageable with a rotation device supported by the machine tool whose rotary movement is precision-controlled by a numerical control unit, for moving said tool transversely of said body in a precision-controlled manner, said body including a lateral extension and a second extension extending perpendicularly from said lateral extension, and said second means including a rotatable shaft housed in said lateral extension, a tapered gear wheel coupled to said shaft, a second tapered gear wheel coupled to said tapered gear wheel, and a second rotatable shaft housed in said second extension and coupled to said second tapered gear wheel.
Claim 7
Dependent Claim
156 words
A boring and facing head for use in a machine tool, the combination comprising: a body adapted to be inserted into a spindle on the machine tool; a tool; first means, coupled to said body and said tool, for supporting said tool for movement transversely of said body; and second means, coupled to said first means and slidably engageable with a rotation device supported by the machine tool whose rotary movement is precision-controlled by a numerical control unit, for moving said tool transversely of said body in a precision-controlled manner, said body including a lateral extension and a second extension extending perpendicularly from said lateral extension, and said second means including a rotatable shaft housed in said lateral extension, a tapered gear wheel coupled to said shaft, a second tapered gear wheel coupled to said tapered gear wheel, and a second rotatable shaft housed in said second extension and coupled to said second tapered gear wheel.
Claim 8
Dependent Claim
28 words
A head according to claim 5, wherein said second rotatable shaft has a coupling tongue at the end for engaging the rotation device supported by the machine tool.
Claim 9
Dependent Claim
35 words
A head according to claim 6, wherein said coupling tongue has a geometrical configuration allowing slidable engagement with the rotation device supported by the machine tool which has a recess of a corresponding geometrical configuration.
Claim 10
Dependent Claim
25 words
A head according to claim 6, and further comprising means, coupled to said body and said coupling tongue, for releasably locking said tongue against rotation.
Claim 11
Dependent Claim
109 words
A boring and facing head for use in a machine tool, the combination comprising: a body adapted to be inserted into a spindle on the machine tool; a tool; first means, coupled to said body and said tool, for supporting said tool for movement transversely of said body; and second means, coupled to said first means and slidably engageable with a rotation device supported by the machine tool whose rotary movement is precision-controlled by a numerical control unit, for moving said tool transversely of said body in a precision-controlled manner, said second means including a rotatable shaft oriented at an acute angle to the longitudinal axis of said body.
Claim 12
Dependent Claim
109 words
A boring and facing head for use in a machine tool, the combination comprising: a body adapted to be inserted into a spindle on the machine tool; a tool; first means, coupled to said body and said tool, for supporting said tool for movement transversely of said body; and second means, coupled to said first means and slidably engageable with a rotation device supported by the machine tool whose rotary movement is precision-controlled by a numerical control unit, for moving said tool transversely of said body in a precision-controlled manner, said second means including a rotatable shaft oriented at an acute angle to the longitudinal axis of said body.
Claim 13
Dependent Claim
102 words
A machine tool for the reception of a boring and facing head in an exposed surface thereof, the combination comprising: an open-ended spindle supported on the exposed surface for the slidable reception of the body of the boring and facing head; a rotary device, coupled to the exposed surface in a position spaced from said open-ended spindle, for transmitting rotary movement to the body of the boring and facing head and for slidably receiving a coupling tongue carried by the body; and means, coupled to said rotary device, for rotating said rotary device, said means being precision-controlled by a numerical control unit.
Claim 14
Dependent Claim
102 words
A machine tool for the reception of a boring and facing head in an exposed surface thereof, the combination comprising: an open-ended spindle supported on the exposed surface for the slidable reception of the body of the boring and facing head; a rotary device, coupled to the exposed surface in a position spaced from said open-ended spindle, for transmitting rotary movement to the body of the boring and facing head and for slidably receiving a coupling tongue carried by the body; and means, coupled to said rotary device, for rotating said rotary device, said means being precision-controlled by a numerical control unit.
Claim 15
Dependent Claim
28 words
A machine tool according to claim 10, wherein said open-ended spindle has a longitudinal axis, and said rotary device has a longitudinal axis, these axes being substantially parallel.
Claim 16
Dependent Claim
40 words
A machine tool according to claim 10, and further comprising a direct-current motor coupled to said rotary device, and a resolver means coupled to said rotary device, said resolver means and said motor being coupled with the numerical control unit.
Claim 17
Dependent Claim
40 words
A machine tool according to claim 10, and further comprising a direct-current motor coupled to said rotary device, and an encoder means coupled to said rotary device, said encoder means and said motor being coupled with the numerical control unit.
Claim 18
Dependent Claim
24 words
A machine tool according to claim 10, and further comprising an electromagnetic brake coupled to said rotary device for controlling the rotational position thereof.
Claim 19
Dependent Claim
60 words
A machine tool according to claim 10, and further including a threaded rotating rod coupled to said rotary device, a lead nut threaded on the inside and threaded on the rotating rod, and end-of-stroke switch coupled to said lead nut, and adjustable cams positioned to be engaged by said switch for the presetting of the maximum stroke of the tool.
Claim 20
Dependent Claim
25 words
A machine tool according to claim 15, wherein said end-of-stroke switch is electrically connected to at least one connector leading to the numerical control unit.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-12-25 | 1988-06-25 | 1988-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-12-25 | 1992-06-25 | 1992-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-12-25 | 1996-06-25 | 1996-12-25 | $7700.00 | Window Closed / Lapsed |