Patent US4929005A successfully refreshed from Google Patents.
Patent US3554079A successfully refreshed from Google Patents.
US3554079A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Chamfering means
Assignee: Gleason Works
•
Filing: 1968-10-01
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Granted: 1971-01-12
•
Expires: 1988-10-01
Abstract
Abstract An automatic electrohydraulic chamfering unit, which can be operated with a conveyor means or incorporated into an automated gear-generating machine, comprises upper and lower centering and clamping assemblies for retaining a workpiece therebetween, upper and lower chamfering assemblies for chamfering the tooth edges at the toe and heel of each tooth, an indexing assembly for successively aligning each tooth of the workpiece with the chamfering tools and an automatic control system which governs the operating sequence of the above components during the chamfering cycle. The upper and lower centering and clamping assemblies are actuated by the control system to permit rotational movement of a workpiece during the indexing portion of the chamfering cycle and to firmly lock a workpiece in a fixed position during the chamfering portion of the cycle. The upper and lower chamfering assemblies are mounted on the chamfering unit so that the chamfering assemblies can be independently adjusted relative to the centering and clamping assemblies along the three major axes and about one of the axes for locating the chamfering assemblies relative to the workpiece. The indexing assembly through the reciprocating movement of a spring-biased finger which is received between the workpiece teeth indexes a workpiece by movement of the finger parallel to the axis of rotation of the workpiece. Scales are provided on the indexing assembly, the chamfering assemblies and mountings to facilitate initial and subsequent adjustments of the various components of the chamfering unit.
Inventors
- 👤 Ernst J Hunkeler
- 👤 John L Ash
- 👤 Myron F Dewolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 01:17
CPC Classifications
B; B23; B23F; B23F23/00; B23F23/02; B23F23/06; B23F19/00; B23F19/10; B23F19/101; B23F23/12; Y; Y10; Y10T; Y10T409/00; Y10T409/10; Y10T409/101113; Y10T409/101272
Claims Analysis
Total Claims: 43
Claim 1
Independent Claim
118 words
A chamfering unit for chamfering a toothed workpiece comprising: workpiece-centering and clamping means for retaining workpiece means during a chamfering operation; chamfering means for chamfering spirally arranged tooth means of said workpiece means held by said centering and clamping means; and workpiece-positioning and indexing means for properly aligning said tooth means of said workpiece means with said chamfering means, said workpiece positioning and indexing means being movable relative to said tooth means in a direction substantially parallel to the axis of rotation of said workpiece means for stock dividing the workpiece when the workpiece is initially received between said centering and clamping means and for incrementally indexing the workpiece relative to said chamfering means during a chamfering operation.
Claim 2
Dependent Claim
118 words
A chamfering unit for chamfering a toothed workpiece comprising: workpiece-centering and clamping means for retaining workpiece means during a chamfering operation; chamfering means for chamfering spirally arranged tooth means of said workpiece means held by said centering and clamping means; and workpiece-positioning and indexing means for properly aligning said tooth means of said workpiece means with said chamfering means, said workpiece positioning and indexing means being movable relative to said tooth means in a direction substantially parallel to the axis of rotation of said workpiece means for stock dividing the workpiece when the workpiece is initially received between said centering and clamping means and for incrementally indexing the workpiece relative to said chamfering means during a chamfering operation.
Claim 3
Dependent Claim
41 words
In the chamfering unit of claim 1 said workpiece-indexing means having finger means for engaging said tooth means and drive means for moving said finger means relative to said workpiece means to effect the positioning and indexing of said tooth means.
Claim 4
Dependent Claim
43 words
In the chamfering unit of claim 1 said workpiece-indexing means having finger means for engaging said tooth means and driving means for moving said finger means relative to said tooth means of said workpiece means to effect the alignment of said tooth means.
Claim 5
Dependent Claim
30 words
In the chamfering unit of claim 3 means for adjusting said chamfering means along the three major axes and for angularly poSitioning said chamfering means about one of said axes.
Claim 6
Dependent Claim
36 words
In the chamfering unit of claim 3 control means for automatically regulating the operating sequence of said workpiece-centering and clamping means, said chamfering means and said workpiece-indexing means to effect the chamfering of a workpiece means.
Claim 7
Dependent Claim
76 words
In the chamfering unit of claim 1 said workpiece-centering and clamping means having opposed centering means for retaining workpiece means therebetween and means for varying the pressure exerted on workpiece means by said opposed centering means to allow rotational movement of workpiece means relative to said centering and clamping means during the indexing of workpiece means and to maintain workpiece means in a fixed position during the chamfering of the tooth means of the workpiece means.
Claim 8
Dependent Claim
34 words
In the chamfering unit of claim 6 said workpiece-centering and clamping means having means for frictionally engaging workpiece means when the workpiece means is clamped between said opposed centering means to help prevent rotation.
Claim 9
Dependent Claim
30 words
In the chamfering unit of claim 1 means for adjusting said chamfering means along the three major axes and for angularly positioning said chamfering means about one of said axes.
Claim 10
Dependent Claim
26 words
In the chamfering unit of claim 8 scale means on said adjusting means to facilitate the adjustments of said chamfering means along and about said axes.
Claim 11
Dependent Claim
36 words
In the chamfering unit of claim 1 control means for automatically regulating the operating sequence of said workpiece-centering and clamping means, said chamfering means and said workpiece-indexing means to effect the chamfering of a workpiece means.
Claim 12
Dependent Claim
145 words
A chamfering unit for chamfering a toothed workpiece comprising: a workpiece-centering and clamping means for retaining workpiece means during a chamfering operation; said workpiece-centering and clamping means having opposed centering means for retaining workpiece means therebetween and means for varying the pressure exerted on workpiece means by said opposed centering means to allow rotational movement of workpiece means relative to said centering and clamping means during indexing of workpiece means and to maintain workpiece means in a fixed position during the chamfering of a tooth means of the workpiece means; chamfering means for chamfering tooth means of said workpiece means held by said centering and clamping means; and workpiece-indexing means for properly aligning said tooth means of said workpiece means with said chamfering means, said workpiece-indexing means effecting the alignment of said tooth means through the engagement of said tooth means by said indexing means.
Claim 13
Dependent Claim
145 words
A chamfering unit for chamfering a toothed workpiece comprising: a workpiece-centering and clamping means for retaining workpiece means during a chamfering operation; said workpiece-centering and clamping means having opposed centering means for retaining workpiece means therebetween and means for varying the pressure exerted on workpiece means by said opposed centering means to allow rotational movement of workpiece means relative to said centering and clamping means during indexing of workpiece means and to maintain workpiece means in a fixed position during the chamfering of a tooth means of the workpiece means; chamfering means for chamfering tooth means of said workpiece means held by said centering and clamping means; and workpiece-indexing means for properly aligning said tooth means of said workpiece means with said chamfering means, said workpiece-indexing means effecting the alignment of said tooth means through the engagement of said tooth means by said indexing means.
Claim 14
Dependent Claim
34 words
In the chamfering unit of claim 11 said workpiece-centering and clamping means having means for frictionally engaging workpiece means when the workpiece means is clamped between said opposed centering means to help prevent rotation.
Claim 15
Dependent Claim
236 words
A chamfering unit for chamfering a toothed workpiece comprising: workpiece-centering and clamping means for retaining workpiece means during a chamfering operation, said workpiece-centering and clamping means having opposed centering means for retaining workpiece means therebetween and means for varying the pressure exerted on workpiece means by said opposed centering means to allow rotational movement of workpiece means relative to said centering and clamping means during the indexing of workpiece means and to maintain workpiece means in a fixed position during the chamfering of the tooth means of the workpiece means, said workpiece-centering and clamping means further having means for frictionally engaging workpiece means when a workpiece means is clamped between said opposed centering means to help prevent rotation; chamfering means for chamfering tooth means of said workpiece means held by said centering and clamping means; workpiece-indexing means for properly aligning said tooth means of said workpiece means with said chamfering means, said workpiece-indexing means effecting the alignment of said tooth means through the engagement of said tooth means by a finger means, and including driving means for moving said finger means relative to said tooth means of said workpiece means in a direction substantially parallel to an axis of rotation of said workpiece means to effect the alignment of the tooth means; and means for adjusting said chamfering means along the three major axes and for angularly positioning said chamfering means about one of said axes.
Claim 16
Dependent Claim
236 words
A chamfering unit for chamfering a toothed workpiece comprising: workpiece-centering and clamping means for retaining workpiece means during a chamfering operation, said workpiece-centering and clamping means having opposed centering means for retaining workpiece means therebetween and means for varying the pressure exerted on workpiece means by said opposed centering means to allow rotational movement of workpiece means relative to said centering and clamping means during the indexing of workpiece means and to maintain workpiece means in a fixed position during the chamfering of the tooth means of the workpiece means, said workpiece-centering and clamping means further having means for frictionally engaging workpiece means when a workpiece means is clamped between said opposed centering means to help prevent rotation; chamfering means for chamfering tooth means of said workpiece means held by said centering and clamping means; workpiece-indexing means for properly aligning said tooth means of said workpiece means with said chamfering means, said workpiece-indexing means effecting the alignment of said tooth means through the engagement of said tooth means by a finger means, and including driving means for moving said finger means relative to said tooth means of said workpiece means in a direction substantially parallel to an axis of rotation of said workpiece means to effect the alignment of the tooth means; and means for adjusting said chamfering means along the three major axes and for angularly positioning said chamfering means about one of said axes.
Claim 17
Dependent Claim
242 words
A chamfering unit for chamfering a toothed workpiece comprising: workpiece-centering and clamping means for retaining workpiece means during a chamfering operation, said workpiece-centering and clamping means having opposed centering means for retaining workpiece means therebetween and means for varying the pressure exerted on workpiece means by said opposed centering means to allow rotational movement of workpiece means relative to said centering and clamping means during the indexing of workpiece means and to maintain workpiece means in a fixed position during the chamfering of the tooth means of the workpiece means, said workpiece-centering and clamping means further having means for frictionally engaging workpiece means when a workpiece means is clamped between said opposed centering means to help prevent rotation; chamfering means for chamfering tooth means of said workpiece means held by said centering and clamping means; workpiece-indexing means for properly aligning said tooth means of said workpiece means with said chamfering means, said workpiece-indexing means effecting the alignment of said tooth means through the engagement of said tooth means by a finger means, and including driving means for moving said finger means relative to said tooth means of said workpiece means in a direction substantially parallel to an axis of rotation of said workpiece means to effect the alignment of the tooth means; and control means for automatically regulating the operating sequence of said workpiece-centering and clamping means, said chamfering means and said workpiece-indexing means to effect the chamfering of a workpiece means.
Claim 18
Dependent Claim
242 words
A chamfering unit for chamfering a toothed workpiece comprising: workpiece-centering and clamping means for retaining workpiece means during a chamfering operation, said workpiece-centering and clamping means having opposed centering means for retaining workpiece means therebetween and means for varying the pressure exerted on workpiece means by said opposed centering means to allow rotational movement of workpiece means relative to said centering and clamping means during the indexing of workpiece means and to maintain workpiece means in a fixed position during the chamfering of the tooth means of the workpiece means, said workpiece-centering and clamping means further having means for frictionally engaging workpiece means when a workpiece means is clamped between said opposed centering means to help prevent rotation; chamfering means for chamfering tooth means of said workpiece means held by said centering and clamping means; workpiece-indexing means for properly aligning said tooth means of said workpiece means with said chamfering means, said workpiece-indexing means effecting the alignment of said tooth means through the engagement of said tooth means by a finger means, and including driving means for moving said finger means relative to said tooth means of said workpiece means in a direction substantially parallel to an axis of rotation of said workpiece means to effect the alignment of the tooth means; and control means for automatically regulating the operating sequence of said workpiece-centering and clamping means, said chamfering means and said workpiece-indexing means to effect the chamfering of a workpiece means.
Claim 19
Dependent Claim
136 words
In combination with a conveyor means for roughed gears which conveyor feeds said gears in intermittent step-by-step fashion, a chamfering unit operatively connected to said conveyor means and including: workpiece-centering and clamping means for retaining workpiece means during a chamfering operation, said workpiece-clamping means having opposed centering means for retaining workpiece means therebetween and means for varying the pressure exerted on workpiece means by said opposed centering means to allow rotational movement of workpiece means relative to said clamping means during the indexing of workpiece means and to maintain workpiece means in a fixed position during the chamfering of the tooth means of the workpiece means; chamfering means for chamfering tooth means of said workpiece means held by said clamping means; and means for operating said chamfering means during periods when the conveyor means is stationary.
Claim 20
Dependent Claim
136 words
In combination with a conveyor means for roughed gears which conveyor feeds said gears in intermittent step-by-step fashion, a chamfering unit operatively connected to said conveyor means and including: workpiece-centering and clamping means for retaining workpiece means during a chamfering operation, said workpiece-clamping means having opposed centering means for retaining workpiece means therebetween and means for varying the pressure exerted on workpiece means by said opposed centering means to allow rotational movement of workpiece means relative to said clamping means during the indexing of workpiece means and to maintain workpiece means in a fixed position during the chamfering of the tooth means of the workpiece means; chamfering means for chamfering tooth means of said workpiece means held by said clamping means; and means for operating said chamfering means during periods when the conveyor means is stationary.
Claim 21
Dependent Claim
43 words
In the combination of claim 15 workpiece-indexing means for properly aligning said tooth means of said workpiece means with said chamfering means, said workpiece-indexing means effecting the alignment of said tooth means through the engagement of said tooth means by said indexing means.
Claim 22
Dependent Claim
36 words
In the chamfering unit of claim 16 control means for automatically regulating the operating sequence of said workpiece-centering and clamping means, said chamfering means and said workpiece-indexing means to effect the chamfering of a workpiece means.
Claim 23
Dependent Claim
30 words
In the combination of claim 15 said workpiece-indexing means having finger means for engaging said tooth means and drive means for moving said finger means relative to said workpiece means.
Claim 24
Dependent Claim
48 words
In the combination of claim 15 said workpiece-indexing means having finger means for engaging said tooth means and drive means for moving said finger means relative to said tootH means of said workpiece means in a direction substantially parallel to an axis of rotation of said workpiece means.
Claim 25
Dependent Claim
32 words
In the chamfering unit of claim 15 said workpiece-clamping means having means for frictionally engaging workpiece means when the workpiece means is clamped between said opposed centering means to help prevent rotation.
Claim 26
Dependent Claim
30 words
In the chamfering unit of claim 15 means for adjusting said chamfering means along the three major axes and for angularly positioning said chamfering means about one of said axes.
Claim 27
Dependent Claim
26 words
In the chamfering unit of claim 21 scale means on said adjusting means to facilitate the adjustments of said chamfering means along and about said axes.
Claim 28
Dependent Claim
37 words
In the chamfering unit of claim 15 control means for automatically regulating the operating sequence of said workpiece-centering and clamping means, said chamfering means and said workpiece indexing means to effect the chamfering of a workpiece means.
Claim 29
Dependent Claim
30 words
In the chamfering unit of claim 15 means for adjusting said chamfering means along the three major axes and for angularly positioning said chamfering means about one of said axes.
Claim 30
Dependent Claim
26 words
In the chamfering unit of claim 24 scale means on said adjusting means to facilitate the adjustments of said chamfering means along and about said axes.
Claim 31
Dependent Claim
30 words
In the chamfering unit of claim 15 means for adjusting said chamfering means along the three major axes and for angularly positioning said chamfering means about one of said axes.
Claim 32
Dependent Claim
26 words
In the chamfering unit of claim 26 scale means on said adjusting means to facilitate the adjustments of said chamfering means along and about said axes.
Claim 33
Dependent Claim
36 words
In the chamfering unit of claim 15 control means for automatically regulating the operating sequence of said workpiece-centering and clamping means, said chamfering means and said workpiece-indexing means to effect the chamfering of a workpiece means.
Claim 34
Dependent Claim
170 words
In combination with a conveyor means for roughed gears which conveyor feeds said gears in intermittent step-by-step fashion, a chamfering unit operatively connected to said conveyor means and including: workpiece-centering and clamping means for retaining workpiece means during a chamfering operation, said workpiece-clamping means having means for frictionally engaging workpiece means when the workpiece means is clamped between opposed centering means to help prevent rotation; said workpiece-clamping means further having opposed centering means for retaining workpiece means therebetween and means for varying the pressure exerted on workpiece means by said opposed centering means to allow rotational movement of workpiece means relative to said clamping means during the indexing of workpiece means and to maintain workpiece means in a fixed position during the chamfering of the tooth means of the workpiece means; and including workpiece-indexing means for properly aligning said tooth means of said workpiece means with said chamfering means, said workpiece-indexing means effecting the alignment of said tooth means through the engagement of said tooth means by said indexing means.
Claim 35
Dependent Claim
170 words
In combination with a conveyor means for roughed gears which conveyor feeds said gears in intermittent step-by-step fashion, a chamfering unit operatively connected to said conveyor means and including: workpiece-centering and clamping means for retaining workpiece means during a chamfering operation, said workpiece-clamping means having means for frictionally engaging workpiece means when the workpiece means is clamped between opposed centering means to help prevent rotation; said workpiece-clamping means further having opposed centering means for retaining workpiece means therebetween and means for varying the pressure exerted on workpiece means by said opposed centering means to allow rotational movement of workpiece means relative to said clamping means during the indexing of workpiece means and to maintain workpiece means in a fixed position during the chamfering of the tooth means of the workpiece means; and including workpiece-indexing means for properly aligning said tooth means of said workpiece means with said chamfering means, said workpiece-indexing means effecting the alignment of said tooth means through the engagement of said tooth means by said indexing means.
Claim 36
Dependent Claim
149 words
A chamfering unit in combination with a gear generating machine comprising: conveyor means of said gear-generating machine for feeding workpieces to be chamfered to said chamfering unit and removing workpieces which have been chamfered from said chamfering unit; workpiece-centering and clamping means for retaining workpieces in fixed positions when said workpieces are being chamfered, said workpiece-centering and clamping means having opposed centering means for retaining workpiece means therebetween and means for varying the pressure exerted on workpiece means by said opposed centering means to allow rotational movement of workpiece means relative to said centering and clamping means during the indexing of workpiece means and to maintain workpiece means in a fixed position during chamfering of a tooth means of the workpiece means; chamfering means for chamfering tooth means of workpieces held By said centering and clamping means; and indexing means for properly aligning tooth means with said chamfering means.
Claim 37
Dependent Claim
149 words
A chamfering unit in combination with a gear generating machine comprising: conveyor means of said gear-generating machine for feeding workpieces to be chamfered to said chamfering unit and removing workpieces which have been chamfered from said chamfering unit; workpiece-centering and clamping means for retaining workpieces in fixed positions when said workpieces are being chamfered, said workpiece-centering and clamping means having opposed centering means for retaining workpiece means therebetween and means for varying the pressure exerted on workpiece means by said opposed centering means to allow rotational movement of workpiece means relative to said centering and clamping means during the indexing of workpiece means and to maintain workpiece means in a fixed position during chamfering of a tooth means of the workpiece means; chamfering means for chamfering tooth means of workpieces held By said centering and clamping means; and indexing means for properly aligning tooth means with said chamfering means.
Claim 38
Dependent Claim
25 words
In the chamfering unit and gear-generating machine of claim 30 means to prevent the advance of said conveyor means during the chamfering of a workpiece.
Claim 39
Dependent Claim
39 words
In the chamfering unit of claim 30 said workpiece-indexing means having finger means for engaging said tooth means and drive means for moving said finger means relative to said workpiece means to effect the alignment of said tooth means.
Claim 40
Dependent Claim
34 words
In the chamfering unit of claim 30 said workpiece-centering and clamping means having means for frictionally engaging workpiece means when the workpiece means is clamped between said opposed centering means to help prevent rotation.
Claim 41
Dependent Claim
30 words
In the chamfering unit of claim 30 means for adjusting said chamfering means along the three major axes and for angularly positioning said chamfering means about one of said axes.
Claim 42
Dependent Claim
26 words
In the chamfering unit of claim 34 scale means on said adjusting means to facilitate the adjustments of said chamfering means along and about said axes.
Claim 43
Dependent Claim
36 words
In the chamfering unit of claim 30 control means for automatically regulating the operating sequence of said workpiece-centering and clamping means, said chamfering means and said workpiece-indexing means to effect the chamfering of a workpiece means.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-01-11 | 1974-07-13 | 1975-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-11 | 1978-07-13 | 1979-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-11 | 1982-07-13 | 1983-01-12 | $7700.00 | Window Closed / Lapsed |