US3924754A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for transporting workpieces
Assignee: Individual
•
Filing: 1974-05-29
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Granted: 1975-12-09
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Expires: 1994-05-29
Abstract
Abstract The present workpiece transporting apparatus is arranged between two operating stations such as a die casting machine and a trimming press. A transport arm is journaled at one end to an axis extending substantially horizontally to the axis of at least one of the operating stations. A tilting arm is journaled to the free end of the transport arm about a second axis extending in parallel to the first mentioned axis. A tool means such as grippers are secured to the free end of the tilting arm. Drive means are connected to the transport arm and to the grippers. The apparatus may be controlled in response to the work sequence of one or the other or both operating stations.
Inventors
- 👤 Walter Reis
- 👤 Dietmar Boll
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:20
CPC Classifications
B; B65; B65G; B65G47/00; B65G47/74; B65G47/90; B22; B22D; B22D17/00
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
250 words
An arrangement for transporting workpieces from one operating station to another, comprising base frame means, guide means supported on said base frame means, carriage means supported on said guide means for movement substantially parallel to at least one of said operating stations, means for moving said carriage on said guide means, a transport arm having first and second ends, means journaling said first end of said transport arm to said carriage means for supporting said arm for rotation about a first axis substantially parallel to said one operating station, drive means positioned on said first axis and operatively coupled to said first end of said transport arm, a tilting arm having one end journaled to said second end of said transport arm about a second axis parallel to said first axis, workpiece gripping means pivoted to the other end of said tilting arm, whereby a workpiece held by said gripping means is movable through an angle of more than 180* about said first axis, tilt control means for said gripping means comprising a first sprocket mounted coaxially on said First axis, a second sprocket affixed to said tilting arm coaxially at said second axis, said first and second sprockets having equal diameter, chain means interconnecting said first and second sprockets and means independent of the position of said transport arm for fixing the angular position of said first sprocket with respect to said frame means, and drive means coupled to said workpiece gripping means and mounted on said frame means.
Claim 2
Dependent Claim
250 words
An arrangement for transporting workpieces from one operating station to another, comprising base frame means, guide means supported on said base frame means, carriage means supported on said guide means for movement substantially parallel to at least one of said operating stations, means for moving said carriage on said guide means, a transport arm having first and second ends, means journaling said first end of said transport arm to said carriage means for supporting said arm for rotation about a first axis substantially parallel to said one operating station, drive means positioned on said first axis and operatively coupled to said first end of said transport arm, a tilting arm having one end journaled to said second end of said transport arm about a second axis parallel to said first axis, workpiece gripping means pivoted to the other end of said tilting arm, whereby a workpiece held by said gripping means is movable through an angle of more than 180* about said first axis, tilt control means for said gripping means comprising a first sprocket mounted coaxially on said First axis, a second sprocket affixed to said tilting arm coaxially at said second axis, said first and second sprockets having equal diameter, chain means interconnecting said first and second sprockets and means independent of the position of said transport arm for fixing the angular position of said first sprocket with respect to said frame means, and drive means coupled to said workpiece gripping means and mounted on said frame means.
Claim 3
Dependent Claim
39 words
The apparatus according to claim 1, wherein said means for fixing the angular position of said first sprocket comprises further drive means operatively connected to said first sprocket for rotating the first sprocket relative to said base frame means.
Claim 4
Dependent Claim
24 words
The apparatus according to claim 2 wherein said further drive means are arranged on said first axis about which said transport arm is rotable.
Claim 5
Dependent Claim
41 words
The apparatus according to claim 1, further comprising a second transport arm, tool means secured to said second transport arm, and means on said frame means journaling said second transport arm about a third axis substantially parallel to said first axis.
Claim 6
Dependent Claim
19 words
The apparatus according to claim 4, wherein said tool means comprise spraying means secured to said second transport arm.
Claim 7
Dependent Claim
37 words
The apparatus according to claim 1, wherein the first axis extends at a slant relative to the horizontal whereby an angle between said first axis and the horizontal may be within the range of 0* to 20*.
Claim 8
Dependent Claim
17 words
The apparatus according to claim 1, further comprising motion control means in the form of limit switches.
Claim 9
Dependent Claim
33 words
The apparatus according to claim 1, further comprising motion control means responsive to at least one of said operating stations and operatively connected to said apparatus for controlling the motions of said arms.
Claim 10
Dependent Claim
84 words
The arrangement of claim 1, wherein said guide means comprises a pair of parallel spaced apart guide rails for slidably supporting said carriage means, said drive means for said transport arm comprises a motor mounted on said carriage means and having a shaft extending coaxially with said first axis, said one end of said transport arm being affixed to said shaft, and wherein said means for fixing the angular position of said first sprocket comprises a further drive motor mounted at said first axis.
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) | 1978-12-08 | 1979-06-09 | 1979-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-12-08 | 1983-06-09 | 1983-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-12-08 | 1987-06-09 | 1987-12-09 | $7700.00 | Window Closed / Lapsed |