US 12,092,832 B2
Device for adjusting degree of tightness and head-mounted display including the same
Chun-Feng Yeh, Taoyuan (TW); Chun-Lung Chen, Taoyuan (TW); Chun-Nan Huang, Taoyuan (TW); Bing-Kai Huang, Taoyuan (TW); and Jia-Cheng Chang, Taoyuan (TW)
Assigned to QUANTA COMPUTER INC., Taoyuan (TW)
Filed by Quanta Computer Inc., Taoyuan (TW)
Filed on Jun. 21, 2022, as Appl. No. 17/845,040.
Claims priority of application No. 111202395 (TW), filed on Mar. 10, 2022.
Prior Publication US 2023/0288709 A1, Sep. 14, 2023
Int. Cl. G02B 27/01 (2006.01)
CPC G02B 27/0176 (2013.01) [G02B 27/0149 (2013.01); G02B 2027/0154 (2013.01)] 15 Claims
OG exemplary drawing
 
1. A device for adjusting degree of tightness and for a first strap element and a second strap element, comprising:
an outer adjustment element;
an inner adjustment element disposed inside the outer adjustment element;
an intermediate adjustment element disposed between the inner adjustment element and the outer adjustment element;
a support element in contact with at least one of the first strap element and the second strap element; and
a securing element, wherein the inner adjustment element is affixed to the support element by the securing element;
wherein the first strap element comprises a first hollow region, the second strap element comprises a second hollow region, the inner adjustment element passes through the first hollow region and the second hollow region to adjust degree of overlapping of the first hollow region and the second hollow region;
wherein the outer adjustment element and the intermediate adjustment element are able to change to a separation state from an in-contact state, and a positional relationship between the support element and the securing element is changed correspondingly.