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This is a trapped-key interlock on the door of an electrical switchgear cabinet. It is attached with one-way security screws to discourage casual removal, which would defeat the interlock scheme. Trapped-key interlocking utilizes locks and keys for sequential control of equipment and machinery to ensure safe operation. Trapped-key interlocks ...
Merrick Machine Company specializes in custom automated housing machinery, including Panel Fabrication Machines, Fastening Equipment, Sub-Component Machines and custom build equipment. In 1990 Merrick Machine purchased Ruvo Automation Corp which manufactured machinery for the production of pre-hung doors.
Quarry Bank Mill was established by Samuel Greg, and was notable for innovations both in machinery and also in its approach to labour relations, the latter largely as a result of the work of Greg's wife, Hannah Lightbody. The family took a somewhat paternalistic attitude toward the workers, providing medical care for all and limited education ...
The key prevents relative rotation between the two parts and may enable torque transmission. For a key to function, the shaft and rotating machine element must have a keyway and a keyseat, which is a slot and pocket in which the key fits. The whole system is called a keyed joint. [1] [2] A keyed joint may allow relative axial movement between ...
The company was founded as CMC (Computer Machinery Company Limited) on 18 September 1969 by Ray Parry. They were originally distributors and subsequently manufacturers of key-to-disk computer systems made by the US-based Computer Machinery Corporation. The systems were used by companies and government departments for data capture.
[1] While generally not considered to be a machine element, the shape, texture and color of covers are an important part of a machine that provide a styling and operational interface between the mechanical components of a machine and its users. Machine elements are basic mechanical parts and features used as the building blocks of most machines ...
KABA key. dormakaba Holding AG (former Kaba Holding AG) is a global security group based in Rümlang, Switzerland.It employs more than 15,000 people in over 50 countries. It formed as the result of a merger between former Kaba and former Dorma in September 2015 and is publicly traded on the SIX Swiss Exchange.
The American system contributed to efficiency gains through division of labor. Division of labor helped manufacturing transition from small artisan's shops to early factories. Key pieces of evidence supporting efficiency gains include increase in firm size, evidence of returns to scale, and an increase in non-specialized labor.