IPC 7 English version F16H 9/00-F16H 21/54

IPC ⁷ English version

F16H - F16H 7/24

F16H00900-F16H02154

F16H 23/00 - F16H 39/42

SECTION F – MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING

F 16

ENGINEERING ELEMENTS OR UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL

F 16 H

GEARING

Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by endless flexible members (control of change-speed or reversing-gearings conveying rotary motion F16H 59/00 to F16H 63/00)

without members having orbital motion

using belts, V-belts, or ropes (with toothed belts F16H 9/24; pulleys of adjustable construction F16H 55/52)

engaging a stepped pulley

engaging a conical drum (F16H 9/12 takes precedence)

engaging a pulley provided with radially-actuatable elements carrying the belt

engaging a pulley built-up out of relatively axially-adjustable parts in which the belt engages the opposite flanges of the pulley directly without interposed belt-supporting members

using only one pulley built-up out of adjustable conical parts

using two pulleys, both built-up out of adjustable conical parts

only one flange of each pulley being adjustable

both flanges of the pulleys being adjustable

specially adapted for ropes

using chains, toothed belts, belts in the form of links; Chains or belts specially adapted to such gearing (toothed belts F16G 1/28; V-belts in the form of links F16G 5/18; toothed V-belts F16G 5/20)

with members having orbital motion

Other friction gearing for conveying rotary motion

13/

Gearing for conveying rotary motion with constant gear ratio by friction between rotary members (specific for conveying rotary motion with variable gear ratio or for reversing rotary motion F16H 15/00)

13/

without members having orbital motion

13/

with balls or with rollers acting in a similar manner

13/

with members having orbital motion

13/

with balls or with rollers acting in a similar manner

13/

Means for influencing the pressure between the members

13/

by magnetic forces

13/

for automatically varying the pressure mechanically

15/

Gearings for conveying rotary motion with variable gear ratio, or for reversing rotary motion, by friction between rotary members (control of change-speed or reversing-gearings conveying rotary motion F16H 59/00 to F16H 63/00)

15/

characterised by the use of a magnetisable powder or liquid as friction medium between the rotary members [2]

15/

without members having orbital motion

15/

Gearings providing a continuous range of gear ratios

15/

in which a member A of uniform effective diameter mounted on a shaft may co-operate with different parts of a member B

15/

in which the member B is a disc with a flat or approximately-flat friction surface

15/

in which the axes of the two members cross or intersect

15/

in which one or each member is duplicated, e.g. for obtaining better transmission, for lessening the reaction forces on the bearings

15/

in which the axes of the members are parallel or approximately parallel

15/

in which the member B has a conical friction surface

15/

externally

15/

co-operating with the outer rim of the member A, which is perpendicular or nearly perpendicular to the friction surface of the member B

15/

the axes of the members being parallel or approximately parallel

15/

internally

15/

in which the member B has a spherical friction surface centered on its axis of revolution

15/

with external friction surface

15/

with internal friction surface

15/

in which the member B has a curved friction surface formed as a surface of a body of revolution generated by a curve which is neither a circular arc centered on its axis of revolution nor a straight line

15/

with convex friction surface

15/

with concave friction surface, e.g. a hollow toroid surface

15/

with two members B having hollow toroid surfaces opposite to each other, the member or members A being adjustably mounted between the surfaces

15/

in which two members co-operate by means of balls, or rollers of uniform effective diameter, not mounted on shafts

15/

in which two members co-operate by means of rings or by means of parts of endless flexible members pressed between the first-mentioned members

15/

in which two members of non-uniform effective diameter directly co-operate with one another

15/

Gearings providing a discontinuous or stepped range of gear ratios

15/

with members having orbital motion

15/

Gearings providing a continuous range of gear ratios

15/

in which a member of uniform effective diameter mounted on a shaft may co-operate with different parts of another member

15/

in which two members co-operate by means of rings or by means of parts of endless flexible members pressed between the first-mentioned members

15/

Gearings providing a discontinuous or stepped range of gear ratios

19/

Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion (with intermittently-driving members F16H 27/00 to F16H 31/00; rope or like tackle for lifting or haulage B66D 3/00)

19/

for interconverting rotary motion and reciprocating motion

19/

comprising a rack

19/

comprising an endless flexible member

19/

for interconverting rotary motion and oscillating motion

Gearing for conveying or converting motion by means of levers, links, or cams (combinations of gearings of different types F16H 37/00)

21/

Gearings comprising primarily only links or levers, with or without slides

21/

the movements of two or more independently-moving members being combined into a single movement

21/

Guiding mechanisms, e.g. for straight-line guidance (for drawing-machines B43L)

21/

which can be made ineffective when desired

21/

by pushing a reciprocating rod out of its operative position

21/

all movement being in, or parallel to, a single plane

21/

for conveying rotary motion

21/

by means of cranks, eccentrics, or like members fixed to one rotary member and guided along tracks on the other

21/

for interconverting rotary motion and reciprocating motion

21/

Crank gearings; Eccentric gearings

21/

with adjustment of throw (adjustable cranks or eccentrics F16C 3/28; adjustable connecting-rods F16C 7/06)

21/

with one connecting-rod and one guided slide to each crank or eccentric

21/

without further links or guides

21/

with toggle action

21/

with cams or additional guides

21/

with members having rolling contact

21/

with additional members comprising only pivoted links or arms

21/

with two or more connecting-rods to each crank or eccentric

21/

without swinging connecting-rod, e.g. with epicyclic parallel motion, slot-and- crank motion

21/

with means for temporary energy accumulation, e.g. to overcome dead-centre positions

21/

for interconverting rotary motion and oscillating motion

21/

with adjustable throw

21/

for conveying or interconverting oscillating or reciprocating motions

21/

with movements in three dimensions

21/

for conveying rotary motion

21/

for interconverting rotary motion and reciprocating motion (F16H 23/00 takes precedence)

21/

for interconverting rotary motion and oscillating motion

21/

for conveying or interconverting oscillating or reciprocating motions

F16H - F16H 7/24

F16H 23/00 - F16H 39/42