Hinge Pivot Mount Assembly

Inactive Publication Date: 2012-05-17
ASSA ABLOY LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0028]The bush is preferably rigid and, acts as a bearing for the two links. Phosphor bronze is a very good bearing material, which also has good strength and rigidity. Other suitable materials can, of course, alternatively be used. As will

Problems solved by technology

Although these systems work, it has been noted that the weight of a sash can cause a certain amount of dropping and falling out of the upper part of the sash relatively to the fixed frame.
This can result in the vent opening out of parallel and being unsightly, and is certainly not ideal.
Once again, this is

Method used

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Examples

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Example

[0038]With reference to FIGS. 1 and 2 of the accompanying drawings, a parallel opening hinge system 1 is shown. As will be seen, the hinge system effectively incorporates two parallel hinge arrangements in a single product. The new parallel hinge includes a pair of parallel tracks 3, 5 each having essentially a C-shaped cross-section with a base and two side walls having inwardly facing flanges substantially parallel to the base. The hinge 1 further includes two pairs of crossing links 7, 9, wherein each pair of crossing links 7, 9 is pivotally connected at a pivot 11 and to each track 3, 5. The links 7 are attached to track 3 at fixed pivot points 13 and to track 5 at movable pivot points 15. Similarly, the links 9 are attached to track 5 at fixed pivot points 17 and to track 3 at movable pivot points 19. Thus, as the parallel tracks 3, 5 are moved together or apart, the movable pivots 15, 19 travel along the tracks whereas the fixed pivots 13, 17 remain fixed.

[0039]As will be seen...

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Abstract

A parallel opening hinge includes tracks pivotally connected crossing links, wherein each pair of crossing links is mounted to the tracks via a fixed pivot and a movable pivot in each track. A connector joins two movable pivots in a track such that the movable pivots move together. Improved opening of a parallel opening vent can thereby result. A pivot mount for a link of the hinge includes a support block and a pivot pin engaging the support block, wherein the pivot pin includes a cam surface for abutting a link of a hinge in use to move the link relative to the support block.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS[0001]This application claims the benefit of and is a continuation of U.S. application Ser. No. 12 / 293,007, filed Sep. 15, 2008, which was filed through a National Phase Entry from International Patent Application PCT / GB2007 / 000817, having an international filing date of Mar. 12, 2007 which itself claims the benefit of GB0605364.9, filed Mar. 16, 2006 and GB0613380.5, filed Jul. 5, 2006, the disclosures of which are hereby incorporated by reference herein in their entireties, and all commonly owned.FIELD OF THE INVENTION[0002]The present invention generally relates to hinges for vents and parts therefor, and in particular relates to parallel opening hinges and improvements thereto.BACKGROUND OF THE INVENTION[0003]Parallel opening hinges are well known, as illustrated by way of example to European Patent No. 0968349 for a vent, the disclosure of which is herein incorporated by reference in its entirety.[0004]When a heavy window sash, say perhaps...

Claims

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Application Information

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IPC IPC(8): E05D5/12
CPCE05D15/30Y10T16/5476E05F11/24F16C11/04E05D15/00E05Y2900/148E05D15/34E05D15/1013Y10T16/5474Y10T16/54Y10T16/558Y10T403/32073Y10T16/553Y10T16/547E05D15/44E05F11/10E05F11/12E05D15/46
Inventor LAMBERT, JOHN F.
Owner ASSA ABLOY LTD
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