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1. (WO2018127436) ÉLÉMENT DE FIXATION ET SYSTÈME
Note: Texte fondé sur des processus automatiques de reconnaissance optique de caractères. Seule la version PDF a une valeur juridique

CLAIMS:

1. Attachment member (1) for interconnection of a first board (51) and a second board (52), wherein at least one of the boards (51, 52) is a circuitry board, the attachment member (1) comprising

a base portion (30) extending along a base plane (31),

a first pair of legs (11, 12) extending from the base portion (30) in a first direction (Dl), wherein the first pair of legs (11, 12) are configured to resiliently flex along a respective flexing direction (DFl 1, DFl 2) away from each other thereby allowing a portion of a first board (51) to be inserted between and to lockingly engage the first legs (11, 12), a second pair of legs (21, 22) extending from the base portion (30) in a second direction (D2), the second direction (D2) being opposite the first direction (Dl), wherein the second pair of legs (21, 22) are configured to resiliently flex along a respective flexing direction (DF21, DF22) away from each other thereby allowing a portion of a second board (52) to be inserted between and to lockingly engage the second legs (21, 22), and

a pair of abutment protrusions (41, 42), each abutment protrusion (41, 42) extending along said base plane (31) from the base portion (30) or from the first or second legs (11, 12, 21, 22) to form an abutment surface (41a, 42a) outside respective leg of the second pair of legs (21, 22) and with the abutment surface (41a, 42a) being configured to abut directly or indirectly the second board (52) on a first surface (52a) of the second board (52), the first surface (52a) of the second board (52) facing the base portion (30) of the attachment member (1), and

wherein each leg (11, 12) of the first pair of legs is provided with an outer shoulder portion (11c, 12c) forming a shoulder surface (l id, 12d) facing in the second direction (D2).

2. Attachment member according to claim 1 , wherein the first pair of legs (11,

12) are positioned at a first distance (Dl 112) from each other and the second pair of legs (21, 22) are positioned at a second distance (D2122) from each other, wherein the first distance (Dl 112) is greater than the second distance (D2122).

3. Attachment member according to claim 1 or 2, wherein each leg (11, 12) of the first pair of legs is provided with an inner shoulder portion (11a, 12a) forming a shoulder surface (1 lb, 12b) facing in the first direction (Dl) and positioned at a distance (D311 lb, D3112b) from the base portion (30) and at a distance (D41al lb, D42al2b) from the abutment surfaces (41a, 42a) as seen along the first direction (Dl).

4. Attachment member according to any one of claims 1-3, wherein the abutment protrusions (41, 42) are connected to the base portion (30) or the first or second legs (11, 12, 21, 22) at a junction (41c, 42c) provided at a distance (D41, D42) from the abutment surfaces (41a, 42a) as seen in the first direction (Dl), wherein the abutment protrusions (41, 42) have an extension from said junction (41c, 42c) along the base plane (31) and also along the second direction (D2) thereby forming a gap (D41 ', D42') between the abutment surface (41a, 42a) and respective leg (21, 22) of the second pair of legs as seen along the base plane (31).

5. Attachment member according to any one of claims 1-4, wherein the abutment protrusions (41, 42) extend along the second direction (D2) such that the abutment surfaces (41a, 42a) are positioned at a distance (D41, D42) from the base portion (30) as seen along the second direction (D2).

6. Attachment member according to any one of claims 1-5, wherein the abutment protrusions (41, 42) extend outwardly from the base portion (30).

7. Attachment member according to any one of claims 1-6, wherein the body portion (30), the first and second pairs of legs (11, 12, 21, 22) and the abutment protrusions

(41, 42) are integrally formed in a polymeric material.

8. Attachment member according to any one of claims 1-7, wherein the abutment surfaces (41a, 42a) have an extension (W41, W42) in a transverse direction (T) being greater than the extension (W21, W22) of the second legs (21, 22) in the transverse direction (T), the transverse direction (T) being transverse to a longitudinal direction (L), extending in the base plane (31) between the legs of the second pair of legs (21, 22), and extending along said base plane (31).

9. Attachment member according to any one of claims 1-8, wherein each of the legs (11, 12, 21, 22) of the first and second pair of legs are provided with a retaining bulge (l ie, 12e, 21e, 22e) facing the other leg (12, 11, 22, 21) of respective pair of legs.

10. System comprising:

an attachment member (1) according to any one of claims 1-9, a first board (51) retained between the first pair of legs (11, 12), and a second board (52) retained between the second pair of legs (21, 22).

11. System according to claim 10, wherein the first board (51) is a driver PCB and the second board (52) is an LED PCB.

12. System according to claim 10 or 11, wherein the legs (21, 22) of the second pair of legs extend through through-going openings in the second board (52).

13. System according to any one of claims 10-12, wherein an insulation layer (52a') is provided on the first surface (52a) of the second board (52) facing the first board (51) and being in contact with the abutment surfaces (41a, 42a) of the abutment protrusions (41, 42).