MECHANICAL CHARACTERISTICS OF PARALLEL FOUR-BAR MECHANISM AND DESIGN OF A NEW TYPE STRETCHER[J]. MECHANICS IN ENGINEERING, 2009, 31(6): 63-66. DOI: 10.6052/1000-0879-2008-562
Citation: MECHANICAL CHARACTERISTICS OF PARALLEL FOUR-BAR MECHANISM AND DESIGN OF A NEW TYPE STRETCHER[J]. MECHANICS IN ENGINEERING, 2009, 31(6): 63-66. DOI: 10.6052/1000-0879-2008-562

MECHANICAL CHARACTERISTICS OF PARALLEL FOUR-BAR MECHANISM AND DESIGN OF A NEW TYPE STRETCHER

  • Stretcher is an important medical apparatus in fieldrescue operations, but for a common stretcher, it is not easy to keep its boardhorizontal when used on slopes (such as on stairs or steep mountain roads). Thispaper studies the parallel four-bar mechanism and its mechanicalcharacteristics. Based on the analysis, a new type medical stretcher canbe designed. This new type stretcher can keep itsboard and handles horizontal not only on a plain ground, but also on slopesituations, with easy operations. This apparatus holds a bright prospectfor its applications in the field rescue operations.
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