# US 6,810,562 B1 · Hinge connection

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- Number: US 6,810,562 B1
- Document ID: US6810562B1
- Status: Granted
- Kind: B1
- Application number: 09/889,685
- Filed: 2002-03-25
- Granted: 2004-11-02
- Earliest claimed: 1999-01-19
- Assignees: APW Electronics Limited
- Inventors: David Horne; John David Schnabel
- Web page: https://patentgrep.com/patent/US6810562B1

## CPC

- E05D 7/1044: {in an axial direction (E05D7/1005 takes precedence)}
- H02B 1/38: Hinged covers or doors
- E05Y 2900/208: for metal cabinets
- E05D: HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS (pivotal connections in general F16C11/00)
- H02B: BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- E05Y: INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF

## Abstract

A spacing member (15) on a hinge arm (1) bears against guide surfaces (22, 231)and locates a hinge pin (16) generally beneath a hinge pin hole in a recess (2) to be mounted on a door to be hingedly mounted on a cabinet which has a frame mounting the hinge arm. Lowering of the recess when so generally located cause a chamfer (161) on the end of the hinge pin (16) to accurately align the hinge pin with the hinge pin hole as the hinge pin (16) enters the hinge pin hole to move the spacing member (15) out of engagement with the guide surfaces (22, 231).

## Claims

### Claim 1

An electrical cabinet for electronic and electrical components, comprising:
a frame;
a hinge arm extending from the frame, the hinge arm having a hinge pin at an end thereof;
a removable door including a hinge recess, the hinge recess having an end surface and a hinge hole disposed in the end surface for receiving the hinge pin and having guide surfaces forming a corner for guiding the hinge arm to a first position at which the hinge arm is seated in the corner and from which the hinge arm is slidable relative to the hinge recess along the corner towards a second position in which second position the hinge pin is inserted in the hinge hole while unseating the hinge arm from the corner; and
wherein the end of the hinge pin has a chamfer and the hinge hole is disposed in the end surface at an end of the corner and is arranged relative to the corner such that, during movement from the first position to the second position, the chamfer guides the hinge arm out of seated engagement with the corner of the recess.

### Claim 2 (depends on 1)

The electrical cabinet as defined in claim 1, wherein the hinge arm includes a spacing member which:
protrudes radially beyond the hinge pin;
in the first position, is in seated engagement with the corner of the recess; and
in the second position, is no longer in seated engagement with the corner.

### Claim 3 (depends on 2)

An electrical cabinet according to claim 2, wherein the spacing member has a cylindrically curved surface.

### Claim 4 (depends on 2)

An electrical cabinet according to claim 2, wherein the spacing member is contiguous with the hinge pin.

### Claim 5 (depends on 2)

The electrical cabinet as defined in claim 2, wherein the spacing member is contiguous with the hinge pin.

### Claim 6 (depends on 2)

An electrical cabinet according to claim 2, wherein the spacing member has a surface which is circumferentially a complete cylinder.

### Claim 7 (depends on 6)

An electrical cabinet according to claim 6, wherein the hinge arm includes a main arm portion, and the spacing member and the hinge pin are integrally formed and rotatably mounted at an end of the main arm portion.

### Claim 8 (depends on 1)

An electrical cabinet according to claim 1, wherein the guide surfaces are planar.

### Claim 9 (depends on 8)

An electrical cabinet according to claim 8, wherein the guide surfaces are generally orthogonal.

### Claim 10 (depends on 9)

An electrical cabinet according to claim 9, wherein the end surface is orthogonal to the guide surfaces.