rack and pinion


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rack and pinion

n.
A device for the conversion of rotary and linear motion, consisting of a pinion and a mated rack.

rack′-and-pin′ion adj.

rack1

(ræk)

n.
1. a framework of bars, pegs, etc., on which articles are arranged or deposited: a clothes rack.
2. a fixture containing tiered shelves, often affixed to a wall: a spice rack.
3. a framework set up on a vehicle to carry loads.
4.
a. a triangular wooden frame in which balls are arranged before a game of pool.
b. the balls so arranged.
5. Mach.
a. a bar, with teeth on one of its sides, adapted to engage with the teeth of a pinion (rack and pinion) or the like, as for converting circular into rectilinear motion or vice versa.
b. a bar having a series of notches engaging with a pawl or the like.
6. a former instrument of torture on which a victim was slowly stretched.
7. a cause or state of intense suffering of body or mind.
8. violent strain.
9. a pair of antlers.
v.t.
10. to torture; distress acutely; torment.
11. to strain in mental effort: to rack one's brains.
12. to strain by physical force or violence.
13. to stretch the body of (a person) on a rack.
14. rack up,
a. Pool. to put (the balls) in a rack.
b. to gain, achieve, or score: The new store is racking up profits.
[1250–1300; Middle English rakke, rekke (n.) < Middle Dutch rac, rec, recke]

rack2

(ræk)

n.
wreckage or destruction; wrack: to go to rack and ruin.
[1590–1600; variant of wrack1]

rack3

(ræk)

n.
1. the fast pace of a horse in which the legs move in lateral pairs but not simultaneously.
v.i.
2. (of horses) to move in a rack.
[1570–80; perhaps alter. of rock2]

rack4

(ræk)

n.
1. a group of drifting clouds.
v.i.
2. to drive or move, esp. before the wind.
[1350–1400; Middle English rak]

rack5

(ræk)

v.t.
to draw off (wine, cider, etc.) from the lees.
[1425–75; < Old French]

rack6

(ræk)

n.
1. the neck portion of mutton, pork, or veal.
2. the rib section of a foresaddle of lamb, veal, etc.
[1560–70; orig. uncertain]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.rack and pinion - a wheel gear (the pinion) meshes with a toothed rack; converts rotary to reciprocating motion (and vice versa)
cogwheel, gear, gear wheel, geared wheel - a toothed wheel that engages another toothed mechanism in order to change the speed or direction of transmitted motion
Translations
References in periodicals archive ?
0kN and two rack and pinion types with capacities of 1.
Alimak Hek has been supplying rack and pinion elevators to the oil and gas industry since 1974 when the first offshore elevator was installed on a semi-submersible platform in the North Sea.
I'm not saying it's not needed, but with only 52,000 miles on the car, it would surprise me if the rack and pinion were gone.
Full service joint, rack and pinion and starter motors rebuilding and general mechanic center.
Rack and pinion technology is commonly used in linear motion systems to convert rotary motion into linear motion.
Preloaded Double Pinions (PDP) from Andantex (Wanamassa, NJ) are designed to provide a cost-effective method of eliminating backlash between the rack and pinion in high-precision, linear motion applications.
The track-mounted DD-6 features a rack and pinion carriage design that is capable of 60,000 pounds of thrust/pullback.
The Series 79P pneumatic actuator is a 90 degree (quarter-turn) rack and pinion design available in both double-acting (air-to-air) and single-acting (air-to-spring) models.
A few years later he was asked by Don Hardin to help build the first rack and pinion HDD rigs for BERCO, which was an adaptation of Baker Manufacturing's jack-up work boat.
A helical rack and pinion is employed with the drive motor parallel to the rack's major axis.
While it's not in the car business, that saying now also applies to Freightliner Trucks, which used what it learned in a truck racing venue to develop its new rack and pinion steering system available as an option on the Century Class S/T, Coronado, Columbia, Classic and Classic XL Class 8 models later this year.
Posirack rack and pinion drives are used for mold locking in all-electric injection molding machines.