Chapter LXX: Section 80: Springs

=1460. Open spiral spring= for tension.

=1461. Close spiral spring.=

=1462. Open spiral spring= for compression.

=1463. Open spiral spring= (square thread) for compression.

=1464. Double volute chair spring.=

=1465. Spindle-shaped open or close spiral spring= for tension.

=1466. Parallel open or close spiral spring= with coned ends.

=1467 & 1468. Volute springs.=

=1469. Torsional spiral spring.=

=1470. Wire staple torsional spiral spring,= used for hinging; the ends of the wire are bent at a right angle and driven into the wood.

=1471. Fixed spring.=

=1472 & 1473. Sear springs.=

=1474. Flat spiral spring.=

=1475. Plate spring.=

=1476. Indiarubber spring= for tension.

=1477. Wire spring.=

=1478. Ribbon spring= for torsion.

=1479. Compound rubber disc spring.=

=1480. Air cushion or spring piston.=

=1481. Laminated plate wagon spring.=

=1482. Compound dished disc or bent plate spring.=

=1483. Loop spring.=

=1484. Flat spiral spring, clock spring or coil spring.=

=1485. Split ring spring.=

=1486. Spring pole= for foot hammer motion, &c.

=1487 to 1489. Spring washers.=

=1490. Spindle-shaped compression spring.=

=1491. Flat spiral spring= for piston rings.

See also Nos. 1729, 630, 1501, 1503, 11, 767, 768; and Section 35
(Elastic Wheels) for other forms of springs and applications of them.

For equalising the tension of a spring, see No. 1592 and 1602.