8/28/2023 0 Comments Supertab rubber tapping knifeThis study was conducted among thirty rubber tappers in Kerala, India, to assess their working postures and evaluate their susceptibility to MSDs. Such a cyclic and monotonous work activity involving numerous ergonomic risk factors exposes rubber tappers to great risks of musculoskeletal disorders (MSDs). Typically, workers tap at least 300 trees in a day, consequently subjecting them to these hazardous postures repeatedly. In performing this operation, workers have to assume awkward postures, including extending of arms, side bending, twisting, flexion and/or extension of the neck, trunk, and wrists. It is commercially produced by extracting the latex of certain tree species that contain significant amounts of rubber and the process is called rubber tapping. the detachable Reusability tapping knife of blade according to claim 3 is characterized in that: described handle of a knife (1) edge is provided with steel pipe or the stainless steel tube (5) that connects the glue tongue for beaing.Natural rubber is a vital raw material for modern-day industries. 5, the present embodiment is the detachable Reusability tapping knife of a kind of blade, comprises blade 2 and the blade 3 of handle of a knife 1, V-type, and blade is plugged on the blade removably Blade is die cast as one by upper T shape part 31 and lower T shape part 32, consists of on the blade under alar part 31A, the blade plug pin portion 31B in the middle of the alar part 32B and blade by staggering about the reaching up and down of upper T shape part and lower T shape part Blade offers grafting opening 21 and the grafting notch 22 with the middle plug pin portion form fit of blade, and blade is provided with button and establishes alar part 23 on the blade of alar part under the blade, and blade is provided with button and establishes alar part 24 under the blade of alar part on the blade Be provided with blade removal mouth 25 between the grafting notch 22 of plug pin portion 31B and blade in the middle of the blade Keep the screwdriver 4 for removal of inserts in the handle of a knife 1 Handle of a knife 1 edge is provided with the stainless steel tube 5 that connects the glue tongue for beaing.Ĥ. The reusable rubber tapping knife has the advantages of simple structure, convenience in machining and manufacturing, easiness in demounting, stability and durability. The body is provided with a body upper fin portion for fastening the blade lower fin portion and a body lower fin portion for fastening the blade upper fin portion. An insertion opening and an insertion slot matched with the middle bolt portion in terms of shape are reserved on the body. The upper portion, lower portion, left potions and right portion of the upper T-shaped member are staggered with those of the lower T-shaped member to form a blade upper fin portion, a blade lower fin portion and a blade middle bolt portion. The blade is formed by integrally casting an upper T-shaped member with a lower T-shaped member. The blade is detachably inserted on the body. The reusable rubber tapping knife comprises a handle, a body and the blade. The utility model relates to a reusable rubber tapping knife with a detachable blade. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Application filed by Individual filed Critical Individual Priority to CN 201220511286 priority Critical patent/CN202763855U/en Application granted granted Critical Publication of CN202763855U publication Critical patent/CN202763855U/en Anticipated expiration legal-status Critical Status Expired - Fee Related legal-status Critical Current Links Original Assignee Individual Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.) Inventor 林锭海 Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Fee Related Application number CN 201220511286 Other languages Chinese ( zh) Google Patents CN202763855U - Reusable rubber tapping knife with detachable blade CN202763855U - Reusable rubber tapping knife with detachable blade
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