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Main tee splice

A technology of main body and tongue, applied in the field of improvement of ceiling grid parts, can solve the problems of exhaustion, uncertainty of installation grid, distraction of technicians, etc., and achieve the effect of improving automatic alignment performance

Inactive Publication Date: 2011-08-24
USG INTERIORS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this case, the force required to connect the ends of the individual carriages varies, and the mechanic who installed the grid was not sure if it was connected properly
In addition, assembling parts that are close to tolerance in size requires more force and can distract or exhaust the mechanic

Method used

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Examples

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Embodiment Construction

[0025] Referring now to the drawings, there is shown the end of a main carriage or tee 10 of the type commonly used in ceiling grid systems well known in the art. Typically such main carriages or T-pieces 10 are connected to intersecting carriages or T-pieces (not shown) to form a ceiling grid. In the embodiment shown, the main tee 10 is formed from two metal profiles 12, 13, typically steel, although other materials such as aluminum could be used. One of the metal strips 12 is made into an upper hollow spherical flat tube 14, a double-walled web 16 and a flange 17 extending in the opposite direction, which are integrally connected. The thickness of the metal profile 12 can be, for example, between 0.012 and 0.027 inches depending on the application. Another metal strip 13 is positioned under the flange 17 and encases its distal edge to fix the metal strip 12 into a T-shape, and conceals the seam between the flanges 17 and makes the bottom of the T-shaped piece 10 The surfac...

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PUM

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Abstract

A connector for a main tee of a suspended ceiling grid that has improved self-aligning and connection force properties. The connector has an end tab (21) with a forward portion bent at a lead angle and a receiving pocket (22) with an outwardly flared entrance that, with an opposed identical connector, cooperate to provide smooth horizontal alignment. The end portion, additionally, includes an edge profile that vertically aligns itself with the receiving pocket (22) of the opposed connector. The receiving pocket (22) includes a spring-like resilient wall that limits the assembly force to overcome interference with projecting lock lances even when the connectors are nearly out of dimensional tolerance. The spring-like pocket wall, shape of the lock lance, and reinforcing beads contribute toan improved audible click signaling that a connection has been completed. The lock lance works with a relief groove to augment self-alignment of the connectors.

Description

technical field [0001] This invention relates to improvements in ceiling grid elements and, in particular, to end fittings for master carriages or tees of ceiling grid systems. Background technique [0002] It is very difficult to produce joints of the main tee grid which are always easy to assemble on the job site and interconnect reliably reliably with the designs currently in use. The various existing end fittings of the main carriage or tee can be somewhat difficult to install for various reasons. These connectors may not be self-aligning, and if they are provided with self-aligning devices, their alignment performance may be marginal at best. The structurally raised surfaces or protrusions of the parts of these fittings interfere with the advancement of the mating end fittings, whereby smooth engagement and connection between the end fittings is hindered. [0003] Typically, the master carriage is 12 feet long and is installed during installation by a mechanic who gra...

Claims

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Application Information

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IPC IPC(8): E04B2/00E04B9/10
CPCE04B9/10E04B9/122E04B9/068Y10T403/7001Y10T403/7003E04B9/06E04B9/22
Inventor 杰拉尔德·L·科斯基约翰·M·哈克拉布洛克·R·卡瓦纳
Owner USG INTERIORS INC
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