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Arm Linkage

Assembly

Five-joint exoskeleton linkage aligned with the patient’s shoulder, elbow, and wrist axes. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

Arm Linkage parts and their functions

6 top-level parts · 162 parts in total · full bill of materials below
Arm Linkage parts diagram: 1 shoulder gimbal, 2 upper-arm link, 3 elbow joint, 4 forearm link, 5 wrist module, 6 gravity compensation spring. 162 parts in 6 top-level items.
Arm Linkage parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 Shoulder Gimbal 3 parts 1× 3-DOF shoulder cluster
2 Upper-Arm Link 1× Upper-arm segment
3 Elbow Joint 3 parts 1× Elbow flexion joint
4 Forearm Link 1× Forearm segment
5 Wrist Module 3 parts 1× Wrist rotation stage
6 Gravity Compensation Spring 2× Passive gravity offset

3D model

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Build & assembly graph

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Bill of materials for Arm Linkage

6 top-level lines · 30 rows shown · 162 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Shoulder Gimbal 3 parts rehabilitation-robot-arm-shoulder-gimbal 1× 1 93 assembly
1.1 Series-Elastic Joint Drive 5 parts rehabilitation-robot-arm-joint-drive 3× 3 29 assembly
1.1.1 Servo Motor 4 parts + deeper › servo-motor 1× 3 24 assembly
1.1.2 Helical Gear Pair gear-pair 1× 3 · part
1.1.3 Torsion Spring Element rehabilitation-robot-arm-torsion-spring 1× 3 · part
1.1.4 Encoder encoder 2× 6 · part
1.1.5 Gearbox Housing gearbox-housing 1× 3 · part
1.2 Gimbal Ring rehabilitation-robot-arm-gimbal-ring 2× 2 · part
1.3 Ball Bearing ball-bearing 4× 4 · part
2 Upper-Arm Link rehabilitation-robot-arm-upper-link 1× 1 · part
3 Elbow Joint 3 parts rehabilitation-robot-arm-elbow-joint 1× 1 33 assembly
3.1 Series-Elastic Joint Drive 5 parts rehabilitation-robot-arm-joint-drive 1× 1 29 assembly
3.1.1 Servo Motor 4 parts + deeper › servo-motor 1× 1 24 assembly
3.1.2 Helical Gear Pair gear-pair 1× 1 · part
3.1.3 Torsion Spring Element rehabilitation-robot-arm-torsion-spring 1× 1 · part
3.1.4 Encoder encoder 2× 2 · part
3.1.5 Gearbox Housing gearbox-housing 1× 1 · part
3.2 Range-of-Motion Stop rehabilitation-robot-arm-range-stop 2× 2 · part
3.3 Ball Bearing ball-bearing 2× 2 · part
4 Forearm Link rehabilitation-robot-arm-forearm-link 1× 1 · part
5 Wrist Module 3 parts rehabilitation-robot-arm-wrist-module 1× 1 32 assembly
5.1 Series-Elastic Joint Drive 5 parts rehabilitation-robot-arm-joint-drive 1× 1 29 assembly
5.1.1 Servo Motor 4 parts + deeper › servo-motor 1× 1 24 assembly
5.1.2 Helical Gear Pair gear-pair 1× 1 · part
5.1.3 Torsion Spring Element rehabilitation-robot-arm-torsion-spring 1× 1 · part
5.1.4 Encoder encoder 2× 2 · part
5.1.5 Gearbox Housing gearbox-housing 1× 1 · part
5.2 Rotation Ring rehabilitation-robot-arm-rotation-ring 1× 1 · part
5.3 Ball Bearing ball-bearing 2× 2 · part
6 Gravity Compensation Spring rehabilitation-robot-arm-gravity-spring 2× 2 · part

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Where the arm linkage is used

1 product across 1 domain contain it, directly or inside a sub-assembly

Used in 1 assembly

Sourcing: possible vendors

Browse the supplier directory → Prices, MOQ, and lead times are algorithmic estimates, not quotes, and not claims about these companies. Company mappings are curated by keyword; est. price band $0.50–$100. How estimates work
VendorHQSpecialtyMOQLead time
🇨🇳Foxconn
foxconn.com ↗
Shenzhen, CN Electronics contract mfg 1,000 pcs 6–10 wks
flex.com ↗ Singapore Electronics contract mfg 1,000 pcs 6–10 wks
dixoninfo.com ↗ Noida, IN Electronics contract mfg 1,000 pcs 6–10 wks
bydelectronic.com ↗ Shenzhen, CN Electronics contract mfg 1,000 pcs 6–10 wks
🇸🇬Venture Corp
venture.com.sg ↗
Singapore Electronics contract mfg 1,000 pcs 6–10 wks