Film Transport Mechanism
AssemblyMechanical system advancing film one frame per crank, with frame counter and automatic shutter cocking. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Film Transport Mechanism parts and their functions
7 top-level parts · 7 parts in total · full bill of materials below
| # | Part | Qty | What it does |
|---|---|---|---|
| 1 | Film Advance Lever | 1× | Large crank lever advancing film ~50 mm per pull |
| 2 | Sprocket Wheels | 1× | Precision sprockets engaging film perforations |
| 3 | Film Advance Ratchet | 1× | One-way ratchet preventing backward film motion |
| 4 | Frame Counter | 1× | Dial counting exposures (12, 24, or 36 frames) |
| 5 | Counter Reset Mechanism | 1× | Mechanical button resetting counter to zero |
| 6 | Shutter Cock Coupling | 1× | Automatic coupling advancing film and cocking shutter |
| 7 | Fastener Set | 1× | Transport mechanism fasteners |
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Build & assembly graph
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Bill of materials for Film Transport Mechanism
7 top-level lines · 7 rows shown · 7 parts total · indented to 3 levels| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Film Advance Lever | twin-lens-reflex-film-advance-lever | 1× | 1 | · | part |
| 2 | Sprocket Wheels | twin-lens-reflex-sprocket-wheels | 1× | 1 | · | part |
| 3 | Film Advance Ratchet | twin-lens-reflex-film-advance-ratchet | 1× | 1 | · | part |
| 4 | Frame Counter | twin-lens-reflex-frame-counter | 1× | 1 | · | part |
| 5 | Counter Reset Mechanism | twin-lens-reflex-frame-counter-reset | 1× | 1 | · | part |
| 6 | Shutter Cock Coupling | twin-lens-reflex-shutter-cock-mechanism | 1× | 1 | · | part |
| 7 | Fastener Set | fastener-set | 1× | 1 | · | part |
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Where the film transport mechanism is used
1 product across 1 domain contain it, directly or inside a sub-assemblyUsed 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| Vendor | HQ | Specialty | MOQ | Lead time |
|---|---|---|---|---|
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🇨🇳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.com.sg ↗ | Singapore | Electronics contract mfg | 1,000 pcs | 6–10 wks |