Stick (object)
A rod is a narrow, long, mostly massive object with a mostly round or approximately square cross-section. As handset rods used, especially coarser type, are also called stick or stick called.
etymology
The noun stab is etymologically related to the adjective stiff . Linguistically related is also the or Steven (stem and stern) of the hull. The dictionary of origin of the Duden refers to an Indo-European word stem stabh ... with the range of meanings “to set up”, “support”, “stiffen”, the etymological dictionary Kluge suspects “support” as the basic meaning.
Definitions
A rod is a rigid and mostly straight body, the length of which is large compared to its other dimensions and the resulting cross-sectional area .
It is not uncommon for there to be overlaps between the delimitation from other bodies and the definition of special forms:
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Stiffness / flexibility:
- A wire , like a rod, is largely stable in length and cross-section at low temperatures, but unlike it, it is flexible. Two metal parts of the same dimensions can be used as a rod (e.g. made of bronze ) or as a wire (e.g. made of copper ) , depending on the material .
- With the same cross-section and the same material, each metal rod becomes a wire with increasing length.
- A rod is a particularly thin rod (or thinner than a rod) and has high elasticity , but low axial compressive strength.
- Solidity / cavity: Basically, the hollow tube is differentiated from the solid rod. But there is also the term hollow bar , and because of the favorable ratio of (low) mass and high axial load-bearing capacity, the bars are no less modern, half-timbered structures, actually tubes. It is the same with many handles and tools and poles for other items of equipment.
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Straightness / curvatures :
- Basically, a hook is also a rod.
- The center of the cross section of a rod can "rotate" around an (imaginary) axis.
- If this imaginary axis runs within the rod, it is called a rotated rod
- If the imaginary axis lies outside the cross-section or the cross-section is next to the axis over the entire course, this rod is also a spiral .
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Shape of the cross section:
- Square bars mostly have a square or rectangular cross-section .
- In the case of a circular cross-section, one speaks of a round bar or a rod, in the case of a 90 ° sector as a cross-section, of a quarter bar.
- Bars with a flat, rectangular or predominantly convex cross-section, suitable for attachment to a base, are called strips if the cross-sectional area or its larger diameter is not too large (in contrast to board and plate).
- As rail bars are designated with a complicated cross-section, and rectangular, are well suited to the cantilever mounting. The terms profile, profile strip or profile steel also include bars with a defined cross-sectional shape used in craft and technology.
- Surface: A round rod with a thread cut in its surface is called a bolt .
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Size:
- Such sticks are primarily referred to colloquially as "stick" or almost synonymous as "stick" that can be grasped and lifted with one hand.
- Outside of buildings , larger bars are called posts , masts or trees , as part of the building, horizontal beams or girders, vertical stands or supports. A post is also a vertical bar, both as part of a building ( pile structure , pile grid ), as part of a light construction ( fence post ) or as a free-standing ( border post )
- Small sticks, more likely to be grasped with the fingertips, are called pen (possibly pointed) or needle (necessarily pointed).
Functions
Basically, bars are and have been used
- as a component or component
- as a simple support in construction, see rod (statics)
- in vehicle construction , e.g. B. as spokes and as part of the suspension
- as part of machines
- as the handle of various tools
- in furniture
- in horticulture and agriculture :
- Hop poles and string beans (now usually replaced by a wire structure with a few bars)
- supporting posts for tree planting (also in fruit growing, now often wire structures with a few posts)
- as a portable device with practical use - designation stick:
- White cane for touching
- Walking stick: walking stick and walking stick (including the knot stick )
- Cane
- Short stick or long stick as a weapon in martial arts , e.g. B. the Japanese Bō
- Cane
- Baton
- Baton (conductor's baton )
- Ski and Nordic walking sticks
- Drum stick
- Pointer (nowadays often by the Pointer replaced)
- historical folding rule (today the " folding rule " is a foldable bar with metric scaling)
- as a portable device with practical use - designation wand and others:
- fishing rod
- Guide rod in medical puncture devices and probes, see stylet
- Jacob's staff , historical device for simple astronomical measurements
- Knobkierrie , a traditional African weapon
- Dipstick
- Pole at the pole vault
- Probe (measuring device)
- as a portable symbolic device:
- The crook of Catholic bishops , derived from the shepherd's crook
- Marshal's baton , originally used as a signal transmitter on battlefields, was named after theManagement staff
- Magic wand
- Scepter of secular monarchs
- Emblems derived from devices that are no longer used :
- Aesculapian staff as an emblem of medicine
- Caduceus , according to various earlier meanings, the last symbol of trade