US 11,667,411 B2
Flap folding unit, flap folding apparatus, flap folding method and systems and methods using the same
Olaf de Jong, Drachten (NL); and Melle Jonker, Drachten (NL)
Assigned to SPARCK TECHNOLOGIES B.V., Drachten (NL)
Filed by Sparck Technologies B.V., Drachten (NL)
Filed on Aug. 13, 2021, as Appl. No. 17/401,751.
Claims priority of application No. 10 2020 121 483.9 (DE), filed on Aug. 14, 2020.
Prior Publication US 2022/0048651 A1, Feb. 17, 2022
Int. Cl. B65B 5/02 (2006.01); B65B 59/00 (2006.01); B65B 43/10 (2006.01)
CPC B65B 5/024 (2013.01) [B65B 43/10 (2013.01); B65B 59/001 (2019.05); B65B 2210/04 (2013.01)] 14 Claims
OG exemplary drawing
 
1. A flap folding unit for folding flaps of lids of boxes, comprising:
a hinged guiding element adapted for contacting a flap to be folded upon relative movement of the guiding element and the flap and guiding the flap towards a final position of the flap, and
an extendable pusher adapted for pushing the flap into the final position of the flap, wherein the hinged guiding element comprises an opening, through which the extendable pusher is extendable to push the flap.