Patent US3765545A successfully refreshed from Google Patents.
US3765545A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Loader with reversing means
Assignee: Okuma Corp
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Filing: 1972-09-18
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Granted: 1973-10-16
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Expires: 1992-09-18
Abstract
Abstract A loader having means for gripping a material processed in a lathe and the like and reversing the direction of the material so that the different portion of the material may be processed by the lathe.
Inventors
- 👤 M Iwata
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:45
CPC Classifications
B; B23; B23Q; B23Q7/00; B23Q7/16; B23Q7/04; B25; B25J; B25J9/00; B25J9/10; B25J9/14; B25J9/146; B25J9/148; Y; Y10; Y10T; Y10T82/00; Y10T82/25; Y10T82/2514
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
215 words
A reversing means in a loader which reverses a material to be processed so that the material may be processed of its residual portion when a part thereof has been processed by a processing machine such as a lathe or the like comprising: at least two pair of gripper fingers, a differential means for differentially operating said pairs of gripper fingers, a gripper finger operating means for opening and closing said pairs of grippers by way of said differential means, a rotating means for rotating said gripper fingers so that the position of the pairs of fingers may be reversed thereby reversing the material to be processed gripped by the fingers, a first movable member for horizontally moving said pairs of gripper fingers, a second movable member on said first movable member provided with said pairs of gripper fingers, said differential means, said operating means, and said rotating means, an up and down feed device for moving up and down said second movable member, a fluid pressure working means fixed to a base which horizontally moves said first movable member provided with said up and down feed device, and a position regulating means for stopping the horizontal movement of said first movable member and regulating the position of said gripper fingers at a predetermined position.
Claim 2
Dependent Claim
215 words
A reversing means in a loader which reverses a material to be processed so that the material may be processed of its residual portion when a part thereof has been processed by a processing machine such as a lathe or the like comprising: at least two pair of gripper fingers, a differential means for differentially operating said pairs of gripper fingers, a gripper finger operating means for opening and closing said pairs of grippers by way of said differential means, a rotating means for rotating said gripper fingers so that the position of the pairs of fingers may be reversed thereby reversing the material to be processed gripped by the fingers, a first movable member for horizontally moving said pairs of gripper fingers, a second movable member on said first movable member provided with said pairs of gripper fingers, said differential means, said operating means, and said rotating means, an up and down feed device for moving up and down said second movable member, a fluid pressure working means fixed to a base which horizontally moves said first movable member provided with said up and down feed device, and a position regulating means for stopping the horizontal movement of said first movable member and regulating the position of said gripper fingers at a predetermined position.
Claim 3
Dependent Claim
48 words
A reversing means in a loader as defined in claim 1 wherein said position regulating means comprises a stop member mounted to an end of the piston rod of said fluid pressure working device, and a stopper mounted to said base for stopping the movement of said member.
Claim 4
Dependent Claim
78 words
A reversing means in a loader as defined in claim 2 wherein said member mounted to an end of the piston rod is a second piston rod which slides in a cylinder which has a larger cross section than that of said fluid pressure working device and said movable portion is further moved from a first position at which it was position regulated by said stopper to a second position by supplying a pressure fluid into said cylinder.
Claim 5
Dependent Claim
77 words
A reversing means in a loader as defined in claim 3 wherein said cylinder is provided at the rear side thereof with a screw for restricting the length of slide of the second piston rod thereby controlling the movement of the movable portion in the horizontal direction when the piston rod of the fluid pressure working device is moved further than the first position where the second piston rod abuts on said stopper to the second position.
Claim 6
Dependent Claim
68 words
A reversing means in a loader as defined in claim 2 further comprising a means for controlling the position of the stopper and a position detecting means wherein the position regulating end of said stopper is made movable, and said stopper is driven by said position controlling means until said position detecting means detects a position corresponding to a terminal position predetermined by instructions from a controlling device.
Claim 7
Dependent Claim
77 words
A reversing means in a loader as defined in claim 5 wherein said member mounted to an end of the piston rod is a second piston rod which slides in a cylinder which has a larger cross section that of said fluid pressure working device and said movable portion is further moved from a first position at which it was position regulated by said stopper to a second position by supplying a pressure fluid into said cylinder.
Claim 8
Dependent Claim
77 words
A reversing means in a loader as defined in claim 6 wherein said cylinder is provided at the rear side thereof with a screw from restricting the length of slide of the second piston rod thereby controlling the movement of the movable portion in the horizontal direction when the piston rod of the fluid pressure working device is moved further than the first position where the second piston rod abuts on said stopper to the second position.
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) | 1976-10-15 | 1977-04-16 | 1977-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-10-15 | 1981-04-16 | 1981-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-10-15 | 1985-04-16 | 1985-10-16 | $7700.00 | Window Closed / Lapsed |