Ad
related to: history of drill brace template pdf fillable print printable coupons
Search results
Results From The WOW.Com Content Network
A brace and bit can be used to drill wider and deeper holes than can a geared hand-powered drill. The cost of the greater torque is lower rotational speed; it is easy for a geared hand drill to achieve a rotational speed of several hundred revolutions per minute , while it would require considerable effort to achieve even 100 rpm with a brace.
This included the drill bit (well) and tool joint product lines critical for oil and gas drilling, some of the first technologies for ram blast bits for drilling in mines, geothermal drilling, and a hydraulic powered jackhammer known as the Hughes Impactor. [7]
In 1919 the Pennimans filed an unfair trade lawsuit against Eames (Atlas Press Co. v. Eames), claiming rights over the trademark, patent and improved design.The case was argued in front of the Michigan Supreme Court, which ruled that Eames had to cease use of the trademark, but refusing the transfer of the improved press to the Atlas company.
Eventually the success of the Yankee line of tools led the Stanley Works tool company to acquire the North Bros. in 1946, chiefly to improve their own product lines. Stanley was primarily interested in their bit and brace designs, which continued to be produced unchanged at Stanley for decades, and the spiral ratchet "Yankee" screwdrivers. The ...
A wide array of edge and boring tools provides a broad survey of hand tool-making from prehistory to today. Writing in The Times, Huon Mallalieu encapsulated the function of the book: "Over the past 35 years [David Russell] has amassed probably the world’s largest collection of antique woodworking tools from the Stone Age to the 20th century ...
Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!
Previous logo. Irwin Industrial Tools is an American manufacturer and distributor of hand tools and power tool accessories. It is owned by Stanley Black & Decker.It is best known for producing Vise-Grip locking pliers.
A pin chuck is a specialized chuck designed to hold small drills (less than 1 mm (0.039 in) in diameter) that could not be held securely in a normal drill chuck. The drill is inserted into the pin chuck and tightened; the pin chuck has a shaft which is then inserted into the larger drill chuck to hold the drill securely.