Labels:door | plant | polygon | sky | stairs OCR: LINKAGES 4-baror parallel ogram linkage. The bar linkage is wide spread throughout the world of machines albeit sonK times he avily disguised. Ex amples are windscreen wipers, todbor car jack few of the more commen link cages are shown The linkages are easier to Und erstand 11 you have few pieces of Mecano perforated plasticstrips strips of card with drawing pins and sf board and to model linkages. ou can then discwer the relationship the moement the different ams sides the linkage 4 bar linkage 4 bar linkage XXXX La7 poi Diamond frame FiIe poin Pantograph spreal wold sometimes amule windsaren toobox biecs Meano perforatel asft make moemen Fired point
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