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PostPosted: Wed Dec 12, 2018 9:12 am 
Nhóm I
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Joined: Thu Sep 24, 2009 10:24 am
Posts: 1538
Location: HCMC
Seat stability standard EN 1022 has been updated and the new version is now available. The update may have some impact for your product development.

EN 1022:2005 has been updated and superseded by EN 1022:2018.

On November 14, 2018 CEN published the new version and all European countries have until May 2019 to publish the standard and rescind any previous or conflicting standards.

The primary objective of the update is to merge the work office seating and all other seating test methods.

The new standard also supersedes EN 1335-3.

Main modifications are the following:

- The additional definition has been included to consider the specifics of work seats. As work seats are now included in the standard, the definition of a work chair has been specified as a swiveling chair, with or without arm rests, for use by one adult in the office, whose upper part (which includes the seat and back) is supported on a single column and can rotate in the horizontal plane, and is at least adjustable in height

- To reduce confusion about some designs, the raised edge side definition has been added as a seat where the side edge of the item of seating is higher than 50 mm above the height of the seat loading point, and the test method will be adapted for this design

As the loading point for a swiveling chair including domestic use chair, is defined for the seat loading point as the point at which the swiveling seat's axis of rotation intersects with the seat surface. Moreover, the back loading point is defined as the point on the center line of the backrest, 300 mm above the seat loading point measured when the seat is loaded with 640 N

-A new testing position is defined for the forward stability test for rigid seats with a large radius

-A corner stability test has been added. This is a new test for seats other than office chairs. This new test will have an impact on swiveling domestic chairs that have never been tested that way before.

-The definition clarifies the difference between a leg rest and footrest. The footrest is designed to support the user to access the seat of a bar stool, as the leg rest is intended mainly to support the leg. If the leg rest is designed in a way that a user may sit on it, the forward test remains applicable
-Rocking chairs will also be subject to all stability tests and only the rearward stability test will have to be changed, according to an adapted test
Here under please find a memo to remind what is applicable when:

Here under please find a memo to remind what is applicable when:


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