Patent ID: 11920726
Assignee: NINGBO TUOTUO RIVER DESIGN COMPANY
Field: Audio-visual technology (Electrical engineering)
Classification: CPC F  A  H | IPC A  F  H

Claim 7:
8. A mounting bracket, comprising: a base, a connecting head, an upper arm, a lower arm and a balance mechanism comprising:
a mounting part;
a sliding part, which is slidably connected to the mounting part, wherein the sliding part slides on the mounting part such that a total length of the balance mechanism is changed;
a spring, a first end of which is fixed to the sliding part;
an adjuster, which has a third end and a fourth end opposite to the third end, the third end is connected to the mounting part, and the fourth end is connected to a second end of the spring, the adjuster is configured to adjust the spring, so as to stretch and compress the spring,
the upper arm and the lower arm both are connected between the base and the connecting head, a parallelogram quadrilateral structure is formed between the base, the connecting head, the upper arm and the lower arm, the first end of the spring of the balance mechanism is connected to the base or the upper arm, and an end of the mounting part of the balance mechanism away from the sliding part is connected to the lower arm.