Trowel with ergonomically designed handle - has flat area to suit thumb with rounded section for fingers

• 1. 一种带切圆角带直线切刀的过塑机 [P] . 中国专利： CN215246018U . 2021-12-21
• 2. 带圆角燕尾退刀槽剃齿刀 [P] . 中国专利： CN204183046U . 2015.03.04
• 3. Trowel with ergonomically designed handle - has flat area to suit thumb with rounded section for fingers [P] . 德国专利： DE2904898A1 . 1980-08-14

  机译： 符合人体工程学设计的刀-平坦的区域适合拇指，带圆角的手指

• 4. PEN GRIP COMPENSATOR DESIGNED IN A SYSTEMIC, ERGONOMIC MANNER SO AS TO SOFTLY DISTRIBUTE A FORCE EXERTED FROM A THUMB AND FINGERS [P] . 韩国专利： KR20040076475A . 2004-09-01

  机译： 笔夹式补偿器，以系统的，符合人体工程学的方式设计，可软分配来自拇指和手指的力

• 5. Knife handle with elliptical cross-section - has three different area segments to suit thumb and fingers [P] . 德国专利： DE2800796A1 . 1979-07-12

  机译： 椭圆形截面的刀柄-具有三个不同的区域段，适合拇指和手指

• 1. Basic research on handling flexible materials by cooperative sensing of touch and vision (6th report, on thumb finger tips shape of a robot hand consulting human hands) [C] . Eiichi Ono, Nobuyuki Kita, Kosei Kitagaki 日本ロボット学会学術講演会 . 1998
• 2. Cable Actuated Finger Exoskeleton development and examination of index finger and thumb coupling. [D] . Jones, Christopher L. 2014
• 3. Thumbs up: movements made by the thumb are smoother and larger than fingers in finger-thumb opposition tasks [O] . Dhanush Rachaveti, Niranjan Chakrabhavi, Vaisakh Shankar, -1
• 4. Thumbs up: movements made by the thumb are smoother and larger than fingers in finger-thumb opposition tasks [O] . Dhanush Rachaveti, Niranjan Chakrabhavi, Vaisakh Shankar, 2018