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US4506441A Expired / Lapsed US ⏱️ 0.0 years remaining

Workpiece attaching and detaching apparatus

Assignee: Honda Motor Co Ltd
•
Filing: 1983-09-26
•
Granted: 1985-03-26
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Expires: 2003-09-26
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Abstract

Abstract Workpiece attaching and detaching apparatus comprising a supporting column having on one side of the periphery thereof a first station for a pallet to be charged or discharged, and on another side thereof a second station for a workpiece to be charged or discharged. Annular rails are attached to the column surrounding the same. Plural heads are supported on the rails. An indexing device is provided for selecting a desired one of the heads and moving the selected head between its first working position opposite the first station and its second working position located opposite the second station. Each of the heads is provided with both a holding mechanism for the workpiece and a device for operating fasteners on the pallet.

Inventors

  • 👤 Junichi Yamanaga
  • 👤 Shiro Naito

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 21:40
CPC Classifications
B; B23; B23P; B23P21/00; B23P21/004; B23P19/00; B23P19/04; B23Q; B23Q7/00; B23Q7/04; B23Q7/14; B23Q7/1426; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5196; Y10T29/53; Y10T29/53313; Y10T29/53383

Claims Analysis

Total Claims: 9
Claim 1
Independent Claim 164 words
A workpiece attaching and detaching apparatus for attaching a workpiece to a pallet by fastening a fastening means provided on the pallet or detaching the workpiece from the pallet by unfastening the fastening means, characterized in that the apparatus comprises a supporting column having on one side of the periphery thereof a first station for a pallet to be charged or discharged and on another side thereof a second station for a workpiece to be charged or discharged, an annular rail means attached to the supporting column so as to surround the same, plural heads supported on the annular rail means, and an index means for selecting any desired one of the heads and moving the selected one between its first working position located opposite to the first station and its second working position located opposite to the second station, each of the heads being provided with both a holding means for holding the workpiece and a fastening-and-unfastening means for the foregoing fastening means.
Claim 2
Dependent Claim 164 words
A workpiece attaching and detaching apparatus for attaching a workpiece to a pallet by fastening a fastening means provided on the pallet or detaching the workpiece from the pallet by unfastening the fastening means, characterized in that the apparatus comprises a supporting column having on one side of the periphery thereof a first station for a pallet to be charged or discharged and on another side thereof a second station for a workpiece to be charged or discharged, an annular rail means attached to the supporting column so as to surround the same, plural heads supported on the annular rail means, and an index means for selecting any desired one of the heads and moving the selected one between its first working position located opposite to the first station and its second working position located opposite to the second station, each of the heads being provided with both a holding means for holding the workpiece and a fastening-and-unfastening means for the foregoing fastening means.
Claim 3
Dependent Claim 30 words
The apparatus of claim 1, provided at the starting end portion of a conveying line for conveying the workpiece under the condition that the workpiece is attached to the pallet.
Claim 4
Dependent Claim 31 words
The apparatus of claim 1, provided at the terminal end portion of the conveying line for conveying the working piece under the condition that the workpiece is attached to the pallet.
Claim 5
Dependent Claim 55 words
The apparatus of claim 1, wherein the index means comprises a Geneva pin driven by an electric motor, a Geneva gear type index table engaged with the Geneva pin, an engaging pin provided on a forward end position of an arm protruding from the index table, and an air cylinder for moving the engaging pin.
Claim 6
Dependent Claim 28 words
The apparatus of claim 1, wherein the holding means comprises plural clamp members for holding the workpiece and an air cylinder for opening and closing the clamp members.
Claim 7
Dependent Claim 29 words
The apparatus of claim 1, wherein the fastening means comprises a setting member which is enagageable with a stepped engaging portion of the workpiece, and a fastening bolt thereof.
Claim 8
Dependent Claim 26 words
The apparatus of claim 1 wherein the fastening-and-unfastening means comprises an air-driven nut runner adapted to be engageable with the fastening bolt of the fastening means.
Claim 9
Dependent Claim 26 words
The apparatus of claim 6, wherein the fastening-and-unfastening means comprises an air-driven nut runner adapted to be engageable with the fastening bolt of the fastening means.

References Cited (Backward Citations)

US2982004A Cited
US4309600A Cited
US3931882A Cited
US4291797A Cited
US4373840A Cited
US4343073A Cited
US4456418A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1988-03-25 1988-09-24 1989-03-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1992-03-25 1992-09-24 1993-03-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1996-03-25 1996-09-24 1997-03-26 $7700.00 Window Closed / Lapsed

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