Sudbury Scissor Lift Safety Training - A scissor lift is a kind of platform lift that moves vertically. The lift table is moved in a vertical motion due to criss-cross folding supports that are linked in what is called a pantograph. The platform could propel vertically because of the application of pressure to the outside of the lowest set of supports. This elongates the crossing pattern and causes the equipment to rise. Some types of scissor lift even have an extending "bridge" that allows operators to have closer access to the work area as the vertical only movement can have some inherent restrictions.
There are many various types of scissor lifts on the market. They could be powered by a variety of ways like for example mechanical, via a lead screw or rack and pinion system, or pneumatic or hydraulic. Various models might need no power to enter "descent" mode but instead depend on a simple release of pneumatic or hydraulic pressure which depends on the power system employed. These pneumatic and hydraulic methods of powering these lifts are preferred because releasing a manual valve gives a fail-safe choice of returning the platform to the ground.