Head-mounted fixing device
OwnerStephen Cheninventor
Life of this patent
Estimating the term…
Abstract
A head-mounted fixing device includes: a head frame including two side frame portions, and a front frame portion located between the two side frame portions and connected to the two side frame portions, and the two side frame portions and the front frame portion being made of rigid materials; an elastic piece including one end connected to the front frame portion; a headgear including an arc portion and a top portion, wherein two ends of the arc portion are respectively connected to the two side frame portions, one end of the top portion is connected to another end of the elastic piece, and another end of the top portion is connected to the arc portion; it is characterized in that the front frame portion is used to abut against a user's forehead to provide a fulcrum.
Claims16
A head-mounted fixing device comprising:
- a head frame including two side frame portions, and a front frame portion located between the two side frame portions and connected to the two side frame portions, and the two side frame portions and the front frame portion being made of rigid materials;
- a headgear including an arc portion and a top portion, wherein two ends of the arc portion are respectively connected to the two side frame portions, one end of the top portion is connected to the front frame portion, and another end of the top portion is connected to the arc portion;
- wherein the front frame portion is used to abut against a user's forehead to provide a fulcrum, the top portion supports the fulcrum, and the arc portion is used to surround and abut against the back of the user's head;
- and the two side frame portions are pivotally connected to the front frame portion, and a first pivot is provided at each pivoting connection between each of the two side frame portions and the front frame portion.
A head-mounted fixing device comprising:
- a headgear configured to be worn on a user's head;
- an arm assembly connected to the headgear and including a first pivot group and a second pivot group;
- a reflection assembly mounted on the first pivot group and including a reflection sheet for reflecting a projected image, and the reflection sheet being a convex mirror;
- and
- a magnifying assembly mounted on the second pivot group, wherein the reflection assembly is located between the magnifying assembly and the user's head, the magnifying assembly includes a magnifying sheet for receiving, magnifying and projecting the projected image to the user's eyes, and the magnifying sheet is a concave mirror.
A head-mounted fixing device comprising:
- a head frame including two side frame portions, and a front frame portion located between the two side frame portions and connected to the two side frame portions, and the two side frame portions and the front frame portion being made of rigid materials;
- a headgear including an arc portion and a top portion, wherein two ends of the arc portion are respectively connected to the two side frame portions, one end of the top portion is connected to the front frame portion, and another end of the top portion is connected to the arc portion;
- an arm assembly connected to the head frame;
- a reflection assembly mounted on the arm assembly and including a reflection sheet for reflecting a projected image;
- and
- a magnifying assembly connected to the arm assembly so that the reflection assembly is located between the magnifying assembly and the user's head, and the magnifying assembly includes a magnifying sheet for receiving, magnifying and projecting the projected image to the user's eyes;
- wherein the front frame portion is used to abut against a user's forehead to provide a fulcrum, the top portion supports the fulcrum, the arc portion is used to surround and abut against the back of the user's head, the reflection sheet is a convex mirror, and the magnifying sheet is a concave mirror.
Dependencies are inferred from the claim text.