作者: Alvin R Pottern
DOI:
关键词: Computer graphics (images) 、 Spring (mathematics) 、 Mechanical engineering 、 Base (geometry) 、 Ratchet 、 Engineering
摘要: A body with a projectable top releasably disposed thereon, the resting on spring-loaded trigger which, when cocked, extends into path of rotatable cam movable upon manipulation in indexing movements concert ratchet wheel, contact uncocking so as to project from body. The is by wheel. Indexing wheel accomplished pivoted base that located at bottommost part