{"id":362652,"date":"2024-10-20T01:41:31","date_gmt":"2024-10-20T01:41:31","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-iso-16840-22018-tc\/"},"modified":"2024-10-26T02:40:11","modified_gmt":"2024-10-26T02:40:11","slug":"bs-iso-16840-22018-tc","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-iso-16840-22018-tc\/","title":{"rendered":"BS ISO 16840-2:2018 – TC"},"content":{"rendered":"

PDF Catalog<\/h4>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
PDF Pages<\/th>\nPDF Title<\/th>\n<\/tr>\n
1<\/td>\ncompares BS ISO 16840\u20112:2018 <\/td>\n<\/tr>\n
2<\/td>\nTRACKED CHANGES
Text example 1 \u2014 indicates added text (in green) <\/td>\n<\/tr>\n
3<\/td>\nNational foreword
Compliance with a British Standard cannot confer immunity from legal obligations.
This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 August 200731 January2018.
Amendments\/corrigenda issued since publication <\/td>\n<\/tr>\n
4<\/td>\nWheelchair seating \u2014 <\/td>\n<\/tr>\n
5<\/td>\nCOPYRIGHT PROTECTED DOCUMENT <\/td>\n<\/tr>\n
8<\/td>\nForeword <\/td>\n<\/tr>\n
9<\/td>\nIntroduction <\/td>\n<\/tr>\n
10<\/td>\nWheelchair seating \u2014
1 Scope
2 Normative references <\/td>\n<\/tr>\n
11<\/td>\n3 Terms and definitions
3.1
3.1.1
3.1.2
3.23.1.2.1 <\/td>\n<\/tr>\n
12<\/td>\n3.2
4 Symbols and abbreviated terms
l overall length
t time for the recording period (associated units: s = seconds; d = days)
hth cushion thickness
5 Apparatus
5.1 Loading rig <\/td>\n<\/tr>\n
13<\/td>\n5.2 Rigid cushion loading indenter (RCLI)
5.3 Impact damping rigid cushion loading indenter (IDRCLI)
5.4 Force application rig
5.5 Displacement gauge
5.6 Impact damping rig <\/td>\n<\/tr>\n
16<\/td>\nFigure 1 \u2014 Loading rig showing the reference plane on the top surface of the RCLI in plain view and a displacement gauge <\/td>\n<\/tr>\n
18<\/td>\nFigure 2 \u2014 Impact damping rig <\/td>\n<\/tr>\n
19<\/td>\n5.7 Loaded contour indenter (LCI) <\/td>\n<\/tr>\n
20<\/td>\n5.8 Seat cushion thickness measurement rig
65.9 Test environment <\/td>\n<\/tr>\n
21<\/td>\nFigure 3 \u2014 Loaded contour indenter
7.16.1 Choice of cushion
7.26.2 Preconditioning the cushion
7.36.3 Setup <\/td>\n<\/tr>\n
22<\/td>\n87 Sequence of testing
8 Frictional properties
8.1 Rationale
8.2 Test method
8.3 Test report
9 Load-deflection and hysteresis test
9 Impact damping under normal loading conditions
9.1 Rationale <\/td>\n<\/tr>\n
23<\/td>\n9.2 Test method <\/td>\n<\/tr>\n
25<\/td>\nFigure 4 \u2014 Typical result for impact damping test, plotting acceleration against time in milliseconds
9.3 Method of calculation <\/td>\n<\/tr>\n
26<\/td>\n9.4 Test report <\/td>\n<\/tr>\n
27<\/td>\n10 Frictional properties
10.1 Rationale
10.2 Test method
10.3 Test report
11 Impact damping under normal loading conditions
11.1 Rationale
11.2 Test method <\/td>\n<\/tr>\n
29<\/td>\n1210 Recovery
12.110.1 Rationale
12.210.2 Test method <\/td>\n<\/tr>\n
30<\/td>\n12.310.3 Test report <\/td>\n<\/tr>\n
31<\/td>\n1311 Loaded contour depth and overload deflection
13.111.1 Rationale
13.211.2 Test method <\/td>\n<\/tr>\n
32<\/td>\nFigure 5 \u2014 Measurement method for concave and convex seat cushion top surfaces <\/td>\n<\/tr>\n
33<\/td>\n13.311.3 Method of calculation
13.411.4 Test report
1412 Water spillage
14.112.1 Rationale
14.212.2 Test method
14.312.3 Test report
1513 Biocompatibility
15.113.1 Rationale
15.213.2 Test method <\/td>\n<\/tr>\n
34<\/td>\n15.313.3 Test report
14.1 Rationale
14.2 Test method
14.3 Method of calculation <\/td>\n<\/tr>\n
35<\/td>\n14.4 Test report
1615 Test report
1716 Disclosure requirement <\/td>\n<\/tr>\n
36<\/td>\n(normative) <\/td>\n<\/tr>\n
37<\/td>\nFigure A.1 \u2014 Assembly of components for RCLI <\/td>\n<\/tr>\n
38<\/td>\nTable A.1 \u2014 Cone and sphere dimensions <\/td>\n<\/tr>\n
40<\/td>\nTable B.1 \u2014 Typical ranges <\/td>\n<\/tr>\n
42<\/td>\nAnnex C
(informative)
C.1 Apparatus
C.1.1 Lateral and forward stiffnessmovement rig <\/td>\n<\/tr>\n
44<\/td>\nFigure C.1 \u2014 Apparatus to measureLateral and forward movement rig ready for testing lateral and forward stiffness <\/td>\n<\/tr>\n
47<\/td>\nC.3 Sliding resistance
C.3.1 Rationale
C.3.2 Test method <\/td>\n<\/tr>\n
48<\/td>\nAnnex D
(informative)
Table D.1 \u2014 Dimensional properties RCLI for alternatively sized cushions
Table D.2 \u2014 Key parameters for use of RCLI for alternatively sized cushions <\/td>\n<\/tr>\n
49<\/td>\nBibliography <\/td>\n<\/tr>\n
52<\/td>\nNational foreword <\/td>\n<\/tr>\n
57<\/td>\nForeword <\/td>\n<\/tr>\n
58<\/td>\nIntroduction <\/td>\n<\/tr>\n
59<\/td>\n1 Scope
2 Normative references
3 Terms and definitions <\/td>\n<\/tr>\n
60<\/td>\n4 Symbols and abbreviated terms
5 Apparatus
5.1 Loading rig <\/td>\n<\/tr>\n
61<\/td>\n5.2 Rigid cushion loading indenter (RCLI)
5.3 Impact damping rigid cushion loading indenter (IDRCLI)
5.4 Force application rig
5.5 Displacement gauge
5.6 Impact damping rig <\/td>\n<\/tr>\n
64<\/td>\n5.7 Loaded contour indenter (LCI)
5.8 Seat cushion thickness measurement rig
5.9 Test environment <\/td>\n<\/tr>\n
65<\/td>\n6 Preparation of test cushion
6.1 Choice of cushion
6.2 Preconditioning the cushion <\/td>\n<\/tr>\n
66<\/td>\n6.3 Setup
7 Sequence of testing
8 Frictional properties
8.1 Rationale
8.2 Test method
8.3 Test report
9 Impact damping under normal loading conditions
9.1 Rationale
9.2 Test method <\/td>\n<\/tr>\n
68<\/td>\n9.3 Method of calculation
9.4 Test report
10 Recovery
10.1 Rationale
10.2 Test method <\/td>\n<\/tr>\n
69<\/td>\n10.3 Test report <\/td>\n<\/tr>\n
70<\/td>\n11 Loaded contour depth and overload deflection
11.1 Rationale
11.2 Test method <\/td>\n<\/tr>\n
71<\/td>\n11.3 Method of calculation <\/td>\n<\/tr>\n
72<\/td>\n11.4 Test report
12 Water spillage
12.1 Rationale
12.2 Test method
12.3 Test report
13 Biocompatibility
13.1 Rationale
13.2 Test method
13.3 Test report
14 Hysteresis test
14.1 Rationale <\/td>\n<\/tr>\n
73<\/td>\n14.2 Test method
14.3 Method of calculation
14.4 Test report
15 Test report <\/td>\n<\/tr>\n
74<\/td>\n16 Disclosure requirement <\/td>\n<\/tr>\n
75<\/td>\nAnnex A (normative) Tapered uniform geometry RCLI <\/td>\n<\/tr>\n
77<\/td>\nAnnex B (informative) Typical ranges for ISO 16840\u20112 tests and indicative cushion implications <\/td>\n<\/tr>\n
79<\/td>\nAnnex C (informative) Horizontal stiffness and sliding resistance <\/td>\n<\/tr>\n
83<\/td>\nAnnex D (informative) RCLIs for testing of alternatively sized cushions <\/td>\n<\/tr>\n
84<\/td>\nBibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

Tracked Changes. Wheelchair seating – Determination of physical and mechanical characteristics of seat cushions intended to manage tissue integrity<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
BSI<\/b><\/a><\/td>\n2020<\/td>\n86<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":362662,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[174,2641],"product_tag":[],"class_list":{"0":"post-362652","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-11-180-10","7":"product_cat-bsi","9":"first","10":"instock","11":"sold-individually","12":"shipping-taxable","13":"purchasable","14":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/362652","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/362662"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=362652"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=362652"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=362652"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}