世界一受けたい授業|カートごと乗れるエスカレーター滑らない理由!生活を便利にする工夫を解明!

※世界一受けたい授業 2014年1月25日放送分より

街で見つけたナゾ図鑑
生活を便利にする工夫を解明!

実はあまり知られていないが、
街中には我々が便利に暮らせるように、
見えない工夫が溢れている。

その秘密を楽しく教えてくれるのが、
東北芸術工科大学・教授である、
志村直愛先生

前回は「券売機の工夫」の記事に掲載。

カートごと乗れるエスカレーター
滑らない理由

ホームセンターで、
大型スーパーで見掛ける、
カートごと乗れる段差のないエスカレーター。

どうして坂道なのに、
カートが滑らないかと言えば、
その理由はカートの車輪にある。

実は車輪の側面にパットが付いていて、
エスカレーターにのると、
パットが溝にはまるようになっている。

これがスイッチとなり、
車輪がロックされる仕組みになっている。

続きは「値引きシールの工夫」の記事に掲載。

レビュー

欧米型のスーパーでは、
必ずといって良いほど、
カートがのせられる、
エスカレーターは設置されております。

普段気には留めませんが、
確かに言われてみれば、
不思議ではありますよね。

さり気ない工夫が、
不慮の事故を防止しているという、
典型例ではありますね。

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