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To separate cars, a worker must use a lever to move the locking pin that keeps the coupler closed. In Europe, some operators experimented with making fully automatic tightlock couplers by adding integral pneumatic and electric connectors, but these connections proved unreliable, and most have switched to the more common fully automatic ...
A car ramp is a structure or device used to raise an automobile from the ground in order to access its undercarriage. [1] [2] An alternative method to using a jack or jack stands. Car ramps are simple to use and relatively inexpensive. Car ramps also offer safety for mechanics by providing vehicle stability during car maintenance and repairs. [3]
Initially a linkspan was a ramp that was attached to the pier at one end and was suspended above the water at the other. The height above the water was controlled either by hydraulic rams or cables, these types of linkspans were less well designed for the various conditions of the tide, wave and current and so were superseded by underwater tank linkspans that through compressed air can be ...
The electro-kinetic road ramp is a method of generating electricity by harnessing the kinetic energy of automobiles that drive over the ramp. In June 2009, one of the devices was installed in the car park at a Sainsbury's supermarket in Gloucester, United Kingdom, where it provides enough electricity to run all of the store's cash registers.
A slim jim (more technically known as a lockout tool) is a thin strip of metal (usually spring steel) roughly 60 centimetres (24 in) long and about 2–4 centimetres (0.79–1.57 in) wide originally marketed under that name by HPC Inc., a manufacturer and supplier of specialty locksmithing tools.
To release the coupling, it was sufficient to release the locking bar by pulling on a chain or a handle, which released the rotation of the disk hook. The coupler was mainly used on narrow gauge railways of the British colonies, like e.g. the Bauchi Light Railway in Nigeria , Ceylon , Honduras or the Kalka-Shimla Railway in India .
Pontiac Trans Am burnout with line locks. A line lock is a device that allows the front brakes to lock independently of the rear brakes via a switch. [1] [2] [3] The device is an electric solenoid that controls a valve which allows the brakes to be controlled individually. This allows the front brakes to be locked and the rear brakes to be open ...
An early invention were locking wheel clamps or chocks that owners could shackle onto one of the car's road wheels as a hobble, making it impossible to roll the vehicle unless the entire wheel was removed. Between 1914 and 1925 there were at least 25 patents related to wheel locks that attached on the tire and spoke wheel. [5]