scissor jack

scissor jack

[′siz·ər ‚jak]
(mechanical engineering)
A lifting jack driven by a horizontal screw; the linkages of the jack are parallelograms whose horizontal diagonals are lengthened or shortened by the screw.
References in periodicals archive ?
Tenders are invited for defect rectification of scissor jack of ke module boat-3
I had the spare, had the crowbar, had the handle to turn a scissor jack, didnt have a jack.
It works just like a scissor jack. Simply turn the adjustment screw to raise or lower the platform from 2.75 inches to 12.75 inches.
If you have a scissor jack (image a), insert the rod or wrench over the knob, and then crank.
Optional equipment consists of 12" side rail extension kit to expand the the lift table to 48" width, allowing the lift to accept ATV's, Snowmobiles, Riding Mowers, Jet Ski, and Power Equipment; a scissor jack for use on the table capable of lifting from 3 1/-2" to 17 1/2"; and the roller plate which fits into the rear wheel drop out to allow wheel cleaning and service without jacking the bike off the table.
The inquest was told the scissor jack Terence had used to prop up the van had likely given way.
Unlike sandbags that take time to deploy and can be dislodged when flood water rises, the Floodgate system uses a scissor jack mechanism attached to the frame to lock it in place.
If your shelter expands to only one side, use one scissor jack. If it expands to two sides, use two scissor jacks, one under each I-beam.
Where required, a variable pressure regulator can be fitted so that pouring curve can be programmed The Dosotherm is mounted on a scissor jack so that the dose height can be adjusted and the furnace can be back tilted for emptying and alloy changes.
Adjustments are made via a scissor jack attached to the bottom of the polypropylene gate.
Included in the package is a free scissor jack, valued at $99.95, or roller plate, valued at $59.95, to be chosen by the customer.
Unlike unreliable sand bags that take time to deploy and can be dislodged when flood water rises, the Floodgate system uses a scissor jack mechanism attached to the frame to lock it in place.