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Their first hit, Scraper Bike, [3] introduced mainstream America to scraper bikes, a distinct type of bicycle (inspired by the scraper car style) ridden in Oakland, California, specifically East Oakland, and became one of the earliest internet viral videos, with the YouTube video "Scraper Bike" racking up millions of views by September 2008. [4]
A quick-return mechanism is a subclass of a slider-crank linkage, with an offset crank. Quick return is a common feature of tools in which the action is performed in only one direction of the stroke, such as shapers and powered saws , because it allows less time to be spent on returning the tool to its initial position.
This scraper type is common at Paleo-Indian sites in North America. Scrapers are one of the most varied lithic tools found at archaeological sites. Due to the vast array of scrapers there are many typologies that scrapers can fall under, including tool size, tool shape, tool base, the number of working edges, edge angle, edge shape, and many more.
The Fresno scraper is a machine pulled by horses used for constructing canals and ditches in sandy soil. The design of the Fresno scraper forms the basis of most modern earthmoving scrapers , having the ability to scrape and move a quantity of soil, and also to discharge it at a controlled depth, thus quadrupling the volume which could be ...
Cleavers, found in many Acheulean assemblages such as Africa, were similar in size and manner of hand axes. The differences between a hand axe and a cleaver is that a hand axe has a more pointed tip, while a cleaver will have a more transverse "bit" that consists of an untrimmed portion of the edge oriented perpendicular to the long axis of the tool.
The Terex THS15 Motorscraper was a concept machine scraper displayed for the first time at Minexpo 2000.This machine features some unusual design concepts, including an adjustable cutting edge on the bowl to reduce friction when loading.
Scraper (biology), grazer-scraper, a water animal that feeds on stones and other substrates by grazing algae, microorganism and other matter; Scrape, a depression in the ground, bare of soil, which is used as a bird nest; Cloud scraper, birds of the genus Cisticola; scrapers, a group of cyprinid fish in the genus Capoeta
A grindstone, also known as grinding stone, is a sharpening stone used for grinding or sharpening ferrous tools, used since ancient times. Tools are sharpened by the stone's abrasive qualities that remove material from the tool through friction in order to create a fine edge.