Patent ID: 11867355
Assignee: HUMANSCALE CORPORATION
Field: Mechanical elements (Mechanical engineering)
Classification: CPC F | IPC F

Claim 19:
20. An adjustable support arm comprising:
a) a base assembly;
b) an arm assembly comprising:
i) a first arm having a first end and a second end, wherein the first end is coupled to the base;
ii) a second arm comprising a first end, a second end, and a parallelogram linkage, wherein the first end of the second arm is mated to the second end of the first arm;

c) a connector shaft, wherein a first end of the connector shaft is positioned within a channel of the first arm, and wherein a second end of the connector shaft is positioned within a central chamber of the second arm;
d) a first quick-release joint for releasably connecting the arm assembly to the base assembly, the first quick-release joint comprising:
i) a latch comprising a protrusion;
ii) an axle extending through an aperture formed in the latch to pivotally connect the latch to the base assembly, the axle defining a fulcrum about which the latch pivots;
iii) a spring for biasing the protrusion into engagement with an indentation formed in the first end of the connector shaft;

e) a second quick-release joint for releasably connecting the second arm to the first arm, the second quick-release joint comprising:
i) a latch comprising a protrusion;
ii) an axle extending through an aperture formed in the latch to pivotally connect the latch to the second end of the first arm, the axle defining a fulcrum about which the latch pivots;
iii) a spring for biasing the protrusion into engagement with an indentation formed in the first end of the connector shaft.