# US 4,396,107 A · Equipment for the transport of flexible workpieces

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- Number: US 4,396,107 A
- Document ID: US4396107A
- Status: Granted
- Kind: A
- Application number: 06/232,560
- Filed: 1981-02-09
- Granted: 1983-08-02
- Earliest claimed: 1980-03-26
- Assignees: Pfaff Industriemaschinen GmbH
- Inventors: Stanislaw Krawczyk; Jerzy Nowak; Tadeusz Pawlowski; Jerzy Nowak
- Web page: https://patentgrep.com/patent/US4396107A

## CPC

- B65G 9/002: {Load-carriers, rollers therefor}
- B65G 2201/0229: Clothes, clothes hangers
- B65G: TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS (packaging B65B; handling thin or filamentary materials, e.g. paper sheets or thread, B65H; cranes B66C; portable mobile or lifting or hauling appliances, e.g. hoists, B66D; devices for lifting or lowering goods for loading or unloading purposes, e.g. fork-lift trucks, B66F9/00; emptying bottles, jars, casks, barrels or similar containers, not otherwise provided for, B67C9/00; delivering or transferring liquids B67D; filling or discharging vessels for liquefied, solidified or compressed gases F17C; pipe-line systems for fluids F17D)

## Abstract

A device for transporting flexible workpieces comprises one or more carrying brackets for holding the flexible workpieces having a substantially horizontal receiving rod for receiving the workpieces and a clamping lever movably mounted to the receiving rod having a spring connected thereto for biasing the clamping lever into a closed position to hold the workpieces. The clamping lever has an end portion which extends downwardly beyond the receiving rod so that when the carrying bracket is placed on a holding apparatus which has a support surface, the free end of the clamping lever causes the clamping lever to move into an open position, releasing the workpieces.

## Claims

### Claim 1

A device for transporting flexible workpieces for a work station for work on the flexible workpieces, comprising, at least one carrying bracket for holding flexible workpieces having a substantially horizontal receiving rod for receiving the workpieces and a clamping lever movably mounted to the receiving rod for clamping the workpieces to the receiving rod in a closed position of the clamping lever, the clamping lever having a free end portion extending downwardly beyond the receiving rod when the clamping lever is in its closed position, and holding means for holding the carrying bracket, the holding means being attached to the workstation and having a horizontal support surface against which the free end portion bears to move the clamping lever into an open position for unclamping the workpieces on the receiving rod, the holding means including a portion for supporting flexible workpieces of a carrying bracket held by the holding means.

### Claim 2 (depends on 1)

A device according to claim 1, including biasing means connected between the receiving rod and the clamping lever for biasing the clamping lever into its closed position.

### Claim 3 (depends on 2)

A device according to claim 2, wherein the receiving rod includes an obliquely upwardly extending portion to which the clamping lever is pivotally mounted, the carrying bracket including a handle portion connected to the obliquely upwardly extending portion of the receiving rod and roller means connected to the handle, said device including a rail on which the roller means is removably engaged for supporting the carrying bracket when the carrying bracket is not supported on the holding means.

### Claim 4 (depends on 3)

A device according to claim 3, including a fishplate connected between the roller means and the handle and at least one resilient flexible band connected to the fishplate for carrying additional workpieces between the flexible band and the fishplate.

### Claim 5 (depends on 1)

A device according to claim 1, including biasing means connected between the receiving rod and the clamping lever for biasing the clamping lever into its closed position, the holding means comprising a U-shaped holding track having a narrowed end region, the receiving rod including an outwardly extending foot member having a width substantially the same as that of the narrowed end region of the holding track, the receiving rod and foot supported on the U-shaped holding track and narrowed end region thereof which defines the support surface.

### Claim 6 (depends on 5)

A device according to claim 5, including a guideplate connected to said holding track defining said narrowed end region thereof including a portion which gradually reduces the width of the holding track toward the narrow end region thereof.

### Claim 7 (depends on 5)

A device according to claim 5, including a cross beam connected to the holding track and a table connected to the cross beam forming said work station adapted for work on the flexible workpieces, the table top including an edge spaced from the holding track to accomodate flexible workpieces brought to the holding track by the carrying bracket.

### Claim 8 (depends on 5)

A device according to claim 5, including eye means connected to the holding bracket and a tray connected to the eye means extending outwardly from the holding track.

### Claim 9 (depends on 5)

A device according to claim 5, including telescoping stand means connected to the holding track adjacent an end thereof opposite the narrow end region for supporting the holding track.

### Claim 10 (depends on 1)

A device according to claim 1, including biasing means connected to the clamping lever for biasing the clamping lever into its closed position, the receiving rod including an upwardly obliquely extending portion to which the clamping lever is connected, the holding means comprising a U-shaped holding track for receiving the receiving rod and an arched member connected to the holding track and extending thereover having an arched passage for receiving the upwardly obliquely extending portion of the receiving rod and for receiving the clamping lever.

### Claim 11

A device for transporting flexible workpieces comprising, at least one carrying bracket for holding flexible workpieces having a substantially horizontal receiving rod for receiving the workpieces and a clamping lever movably mounted to the receiving rod for clamping the workpieces to the receiving rod in a closed position of the clamping lever, the clamping lever having a free end portion extending downwardly beyond the receiving rod when the clamping lever is in its closed position, holding means for holding the carrying bracket, the holding means having a support surface against which the free end portion bears to move the clamping lever into an open position for unclamping the workpieces on the receiving rod, and biasing means connected between the receiving rod and the clamping lever for biasing the clamping lever into its closed position, the receiving rod including an obliquely upwardly extending portion to which the clamping lever is pivotally mounted, the carrying bracket including a handle portion connected to the obliquely upwardly extending portion of the receiving rod and roller means connected to the handle, said device including a rail on which the roller means is removably engaged for supporting the carrying bracket when the carrying bracket is not supported on the holding means.

### Claim 12 (depends on 11)

A device according to claim 11, including a fishplate connected beween the roller means and the handle and at least one resilient flexible band connected to the fishplate for carrying additional workpieces between the flexible band and the fishplate.

### Claim 13 (depends on 11)

A device according to claim 11, including biasing means connected between the receiving rod and the clamping lever for biasing the clamping lever into its closed position, the holding means comprising a U-shaped holding track having a narrowed end region, the receiving rod including an outwardly extending foot member having a width substantially the same as that of the narrowed end region of the holding track, the receiving rod and foot supported on the U-shaped holding track and narrowed end region thereof which defines the support surface.

### Claim 14 (depends on 13)

A device according to claim 13, including a guideplate connected to said holding track defining said narrowed end region thereof including a portion which gradually reduces the width of the holding track toward the narrow end region thereof.

### Claim 15 (depends on 13)

A device according to claim 13, including a cross beam connected to the holding track and a table connected to the cross beam forming a work station adapted for work on the flexible workpieces, the table top including an edge spaced from the holding track to accommodate flexible workpieces brought to the holding track by the carrying bracket.

### Claim 16 (depends on 13)

A device according to claim 13, including eye means connected to the holding bracket and a tray connected to the eye means extending outwardly from the holding track.

### Claim 17 (depends on 13)

A device according to claim 13, including telescoping stand means connected to the holding track adjacent an end thereof opposite the narrow end region for supporting the holding track.

### Claim 18 (depends on 11)

A device according to claim 11, including biasing means connected to the clamping lever for biasing the clamping lever into its closed position, the holding means comprising a U-shaped holding track for receiving the receiving rod and an arched member connected to the holding track and extending thereover having an arched passage for receiving the upwardly obliquely extending portion of the receiving rod and for receiving the clamping lever.
