A device to pull off boots.
A lever for depressing the sinkers which push the loops down on the needles.
A hood or other device placed over a chimney or vent pipe, to prevent a back draught.
A portable machine variously constructed, for exerting great pressure, or lifting or moving a heavy body such as an automobile through a small distance. It consists of a lever, screw, rack and pinion, hydraulic press, or any simple combination of mechanical powers, working in a compact pedestal or support and operated by a lever, crank, capstan bar, etc. The name is often given to a jackscrew, which is a kind of jack.
To move or lift, as a house, by means of a jack or jacks. See 2d Jack, n., 5.
a) A mechanical or hydraulic device used to tip over an undercut tree in a desired direction, usually counter to the natural lean of the tree. See " Directional felling". b) A hanger to support a skyline or other line. AKA "J-bar".
The leveling and elevation device located at the front (tongue) end of the trailer. On most mobile offices and modulars, this jack is rated at 10,000 pounds capacity.
A wheeled device with lifting capabilities, used to move pallets or heavy loads of product (often onto skids or pallets).
a device used to suspend a portion of your vehicle off of the weight of the tire in order to make repairs, also can be used to help get a vehicle 'unstuck' (popular brand name is "HiLift")
1. A blade having high and/or low butts used to actuate the movement of latch knitting needles. 2. Part of a dobby head designed to serve as a lever in the operation of the harness of a loom.
The device which pushes the hydraulic elevator.
tool for exerting pressure or lifting
lift with a special device; "jack up the car so you can change the tire"
a lifting device only, once the vehicle is up off the ground it should be held up by appropriate supports
a mechanical device designed to lift heavy loads
Device for raising and lowering the hitch portion of a towed unit.
Heber: A combination of a cylinder and a ram forming a hydraulic actuating the unit.
1] A device for lifting the vehicle, or part of the vehicle, off the ground to facilitate repairs. The most common jacks are the body jack, bottle jack, bumper jack, garage jack, hydraulic jack, jib-jack, pillar jack, scissors jack, side-lift jack, tire jack, tower jack, tripod jack, and trolley jack.  A characteristic of swing-axle rear suspensions. Cornering forces can act on these suspensions to lift the body of the vehicle so that the outer wheel tucks or jacks under the vehicle. When carried to the extreme, jacking forces could tip the vehicle over.
A device for lifting taking advantage of leverage and hydraulic action to allow a few tens of pounds to lift a few hundred to a few thousand pounds. Types include screw jacks where a revolving screw raises a platform, ratchet jacks where a long lever movement raises the object only a half inch or so, but a ratchet keeps it from falling, and hydraulic where pumping fluid with a small piston raises a lot of weight with a large piston. All three types have been provided on cars for changing tires. 2003-02-27
Lifting device for, among other things automobiles, so they can be raised to a higher level temporarily while repairs are being done. Most are the hydraulic type or the screw type.
Mechanical, hydraulic, or pneumatic lifting device to raise chassis for repairs or tire changes.
A device for lifting the car, or part of the car, off the ground to facilitate repairs. The most popular jacks are the tripod, scissors, and hydraulic jacks.
A lifting apparatus. A mechanical device, appliance, or part of a machine. To pry up or lift; with a jack.
A mechanical device for lifting heavy objects.