Granted Patent B2

US 6,913,137 · App. 10/464,103 · Granted Jul 5, 2005

Assignee: Turkington APV USA, LLC

Abstract

Claims (36)

1. A method of retrofitting a magnetic guide to an existing grid, the grid being of the type for connection to a conveyor and structured to provide a support surface for carrying pans around a path defined by the conveyor, the method comprising steps of:

(a) providing a guide support having a bifurcated construction on at least one end thereof,

(b) maneuvering the bifurcated construction around a portion of the grid to place the guide support in a partly assembled state on the grid,

(c) securing the guide support to the grid and a magnet to the guide support,

(d) at least part of step (c) involving making a connection through the bifurcated construction,

(e) retrofitting the guide in such a manner by steps (a)-(d) that an operative upper surface of the magnet is positioned with respect to the support surface to cause the magnet to be attracted to a pan when placed on the grid.

2. The method of claim 1 , wherein the bifurcated construction is at the base of the guide support and is configured to fit around a grid support plate which mounts the grid to the conveyor, and the step Cd) utilizes at least one fastener through the bifurcated construction and the grid support plate for securing the guide support and the grid to the conveyor.

3. The method as set forth in claim 1 , wherein the guide support includes a bifurcated spring arm, the bifurcated construction being at free ends of the spring arm, the step (d) involving making a connection through the free ends of the spring arm and the magnet.

4. The method of claim 3 , wherein the connection is made in such a way as to allow the magnet to pivot with respect to the guide support.

5. The method as set forth in claim 1 , wherein the bifurcated construction comprises:

a pair of independent spring arms, the spring arms having coils at a mounting end thereof for securing to the grid and a mounting feature at an opposite free end;

the step (d) including forcing the coil springs around a support bar of the grid mounting structure to attach the support ends of the spring arms to the grid and connecting a magnet to both mounting features of the free ends of the spring arms.

6. A method of retrofitting a magnetic centerguide to an existing grid comprising the steps of:

starting with an existing grid having a support surface for a pan and a mounting structure for attachment to a conveyor,

providing a centerguide having a pair of spring arms, first ends of the spring arms having a mounting structure, arid second ends of the spring arms being unattached to each other,

maneuvering the spring arms around a portion of the grid to achieve a partly assembled state,

connecting the mounting structure to the grid, and

connecting a magnet to both free ends of the spring arms in such a way that the spring arms bias the magnet upwardly at the support surface.

7. The method of claim 6 , wherein the mounting structure has a base, first ends of the spring arms being attached to the base, and the method includes the step of attaching the base to the grid.

8. The method of claim 7 , wherein the step of maneuvering includes separating the free ends of the spring arm to insert the centerguide over the grid prior to attachment of the base to the grid.

9. The method of claim 6 , wherein the spring arms comprise a pair of wire springs, coils formed at the first ends of the wire springs having a diameter which corresponds to a diameter of a grid bar to which the spring arms are to be attached, and the method includes the steps of manipulating the coils to slide the spring arms over and onto the bars of the grid.

10. The method of claim 6 , wherein the step of connecting the magnet comprises making the connection such that the magnet can pivot about the free ends of the spring arms to orient itself with respect to the underside of a pan.

11. A method of retrofitting a magnetic guide to a grid, the grid being of the type connected to a conveyor and structured to provide a support surface for carrying pans around a path defined by the conveyor, the method comprising the steps of:

providing a guide support having two spring arms having free ends for receiving the magnet,

attaching the spring arms to the grid with the free ends of the arms projecting toward the support surface, and

connecting a magnet to the free ends of the spring arms to provide a unitary guide member capable of attaching to pans when placed on the support surface.

12. A method of retrofitting an existing grid with a guide, the grid defining a support surface for carrying a pan along a conveyor defining a path of travel, the grid including a grid mounting plate structured for attachment to the conveyor and a first support bar attached to the grid mounting plate, the method comprising:

attaching a guide mounting plate to one of the grid mounting plate and the first support bar;

mounting a magnetic guide member to the guide mourning plate for vertical movement relative to the support surface; and

wherein the step of attaching the guide mounting plate includes attaching the guide mounting plate to the grid mourning plate.

13. The method of claim 12 , wherein the step of mounting the guide member includes providing a spring arm connected at a first end to the mounting plate and connecting the opposing second end to the guide member.

14. The method of claim 12 , wherein the step of attaching the guide mounting plate includes attaching the guide mounting plate to the grid mounting plate using the same attachment structure affixing the grid mounting plate to the conveyor.

15. The method of claim 12 , wherein the step of attaching the guide mounting plate includes the steps of:

disassembling the attachment structure linking the grid mounting plate to the conveyor;

positioning the guide mounting plate proximate the grid mounting plate; and

re-assembling the attachment structure to link the guide mounting plate to the grid mounting plate together and to the conveyor.

Assignments (12)

Continuity (1)