Stick (object)

from Wikipedia, the free encyclopedia
Wooden spokes are also bars
Bicycle spokes can withstand a lot of tension, but neither lateral nor axial pressure - wire rather than rod

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:

  • 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.
  • 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 .
Quarter of a
stick on the edge of a parquet floor
The profile of the
bars of a steel framework (here the mast of a high-voltage line ) is often rails or pipes .
  • 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 .
  • 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

  • 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)
  • Emblems derived from devices that are no longer used :

See also

Web links

Wiktionary: Staff  - explanations of meanings, word origins, synonyms, translations