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Class Number: 200
Class Title: ELECTICITY: CIRCUIT MAKERS AND BREAKERS
Subclass Subclass
Number Title
1 R MULTIPLE CIRCUIT CONTROL
2 .Loop
3 .Combined thermal current
4 .Combined pivoted and reciprocating contact
5 R .Multiple switch
5 A ..With independent operators
5 B ..Independent operators interlocked
5 C ..Independent operators sequence locked
5 D ..Multiple push-button subsequent release
5 E ..Multiple push-button only one operable at a time
5 EA ...Discrete and identical geometric shaped interlocking
slider means
5 EB ...Laminated locking slider arrangement
5 F ..Starter switches for fluorescent lights
175 .Automatic multiple contact selective means
176 ..With multidirectional selector means
177 ...In different planes
178 ..With motion in a single plane
179 ...Rotary
180 ....With clutch
6 R .Pivoted contact
7 ..Combined types
8 R ..Radial contact pressure
9 ...Plural switch
10 ...Arc extinguishing and preventing
8 A ...Axial bridging
11 R ..Dial type
12 ...Electromagnetic release
13 ....Plural switch
14 ...Plural switch
11 A ...With axial bridging
11 B ...Clamping contacts
11 C ....With circuit
11 D ...Wafer
11 DA ....Printed circuit
11 E ...Common bias
11 EA ....With lift
11 G ...Leaf spring bias
11 H ...Laminated leaf spring
11 J ...Coil spring bias
11 K ...Diverse individual bias
11 TC ...Tap changers
11 TW ...Thumbwheel
15 ..Knife blade
6 A ..Universally pivoted handle
6 B ..Cam actuated
6 BA ...Lever borne contacts
6 BB ...Leaf spring contacts
6 C ..Leaf spring contacts
16 R .Reciprocating contact
16 A ..Face or normal bridging contact
16 B ..Plunger typee
16 C ..Spring-biased
16 D ..Flexible, self-biasing
16 E ..Plug type
16 F ..Knife blade, contact clip
17 R .Operating means
18 ..Plural switch
17 A ..Retarded
17 B ..Step-by-step
1 A .Bank of leaf spring contacts
1 B .Sequential operations
1 TK .Telephone key, leaf spring
1 V .Reversing
600 CAPACITIVE SWITCH
181 ELECTROSTRICTIVE OR ELECTROSTATIC
19 R PERIODIC
20 .Combined
21 ..Rotary and cam
22 ...Adjustable
23 .Multiple contact
24 ..Rotary
25 ...Adjustable
26 ...Radial contact pressure
27 R ..Cam operated
27 A ...Automotive (e.g., distributor)
27 B ...Programming timer
27 BA ....Sign display
27 BB .....Traffic control signs
28 .Rotary
29 ..Adjustable
30 R .Cam operated
31 R ..Adjustable
31 A ...Contact breaker assemblies
31 CA ...Centrifugal advance mechanism
31 DP ...Distributor plate
31 V ...Vacuum or suction controlled advance mechanism
30 A ..Automotive distributor contact breaker assembly
30 AA ...Contact breaker lever
19 A .Contact breaker assembly
19 DC .Distributor cap
19 DR .Distributor rotor
19 EL .Elevated
19 L .Locks
19 M .Magnet
19 TS .Traffic signal
19 WG .Wire guard
33 R RETARDED
34 .Dashpot
35 R .Clock train
36 ..Rotary
37 R ...Multiple contact
37 A ....Cam operated
38 R ..Cam operated
38 A ...Dial manually set
38 F ...Resettable with automatic return
38 FA ....Resettable interval timer for oven, range
38 FB ....Resettable interval timer for radio or clock
38 B ...Sequential program actuated by cam disc
38 BA ....Individually adjustable cam discc
38 C ...Drum or pattern surface actuated
38 CA ....Adjustable surface
38 D ...Continuous cycle timer
38 DA ....Twenty-four-hour cycle
38 DB ....Sunday cutout
38 DC ....Adjustable cycle for seasonal change
38 E ...Longitudinally movable
39 R ..Latch trip
40 ...Motor release
41 ...Weight release
39 A ...Range timer
35 H ..Hand operated
35 B ..Radio
35 EQ ..Seasonal change
35 A ..Automobile or radio
35 W ..Rewinding for clock
33 A .Mercury
33 B .Cam operated
33 C .Chain or flexible drive
33 D .Longitudinally movable carriage
42.01 PLURAL SWITCHES CONTROL SINGLE CIRCUIT
42.02 .Coded removable actuator
43.01 SWITCH ACTIVATION INHIBITOR (E.G., UNAUTHORIZED/INADVERTENT
USE PREVENTION)
43.02 .Combined with connector coupling
43.03 .Engine starter protector
43.04 .Removable actuator
43.05 ..Actuator is circuit completing element
43.06 ..Plural switches actuated by a single coded element
43.07 ..Reciprocating actuator activates switch
43.08 ..By rotation of actuator
43.09 .Combination automatically actuates switch
43.11 .Actuator locking device
43.12 ..Combination lock controls actuator
43.13 ..Reciprocating actuator (e.g., push button)
43.14 ..Circuit breaker handle type (i.e., padlock)
43.15 ...Including attachments to lock handle
43.16 .Actuator blocking device (e.g., latch)
43.17 ..Hand grip type (e.g., power tool)
43.18 ..Push button type
43.19 ..Removable blocking element
43.21 ...Mounted on actuator
43.22 .Locked cover prevents access to actuator
46 PATTERN-SHEET CONTROLLED
47 LIMIT SWITCH
48 R HIGH-POTENTIAL TYPE
48 P .Pivoted insulator
48 A .Rotating and pivoted
48 KB .Knife blade
48 V .Vertical reach
48 SB .Side break
48 CB .Center break
49 POLE SWITCH
50 R INTERLOCKING
50 A .Interlock between cover and switch
50 AA ..Draw-out type
50 B .Interlock between plug and switch
50 C .Interlock between two or more switchess
51 R COMBINED WITH OR ACTUATED BY CONNECTOR COUPLING
51.01 .Candle-simulating assembly
51.02 .Multiple coupling
51.03 ..Multiple circuit control, selective
51.04 ...Plural switch
51.05 .Multiple circuit control, selective
51.06 ..Three-or-more contact coupling
51.07 .Plural-position coupling
51.08 ..Bayonet-coupling
51.09 .Coupling-actuated switch
51.1 ..Switch closing on coupling separation
51.11 .Switch in parallel with coupling contacts
51.12 .Meeting contacts of coupling members forming switch
contacts
51.13 .Bayonet-coupling
51.14 .Screw-coupling
51.15 ..Pull-chain switch
51.16 ..Push-button switch
51.17 ..Rotatable-key switch
51 LM .Lazy man
52 R SPECIAL APPLICATION
56 R .Indicating instrument
56 A ..Movable contact beater type
60 .Portable light
61 .Incubator
61.01 .Sound wave responsive
61.02 .Light responsive
61.03 .Gas or smoke responsive
61.04 .Liquid or moisture responsive
61.05 ..Conducting liquid
61.06 ..Humidity responsive
61.07 ...Weight of absorbed water
61.08 .Frangible or destructible type
61.09 .Tramp metal actuated
61.1 .Game or amusement piece operated
61.11 ..Ball (e.g., pin ball)
61.12 .Bicycle chain, sprocket or brake actuated
61.13 .Running length, web or strand actuated
61.14 ..Actuator attached to or part of web or strand
61.15 ..Spooled or reeled quantity
61.16 ...Diameter sensing
61.17 ..Spool, reel or idler rotation
61.18 ..Absence or loss of tension (e.g., breakage or
misalignment)
61.19 .Movable or removable interposed non-conductor
61.2 .Container contents level responsive
61.21 ..Fluent solid bin or hopper
61.22 .Pneumatic tire inflation responsive
61.23 ..Casing deformation feeler
61.24 ..Ground engaging feeler
61.25 ..Fluid pressure actuated
61.26 ...Biased tube engaging member
61.27 .Turn indicator type switches
61.28 ..Gear shift lever mounted
61.29 ..Pedal controlled or mounted
61.3 ..Reset by completed turn
61.31 ...Set by turning
61.32 ....With pre-turning setting meanss
61.33 ....Steering arm, draglink or tie rod actuated
61.34 ...Controller moves reset dog into operative position
61.35 ...By movement of steering wheel or post relative to
column
61.36 ....Wheel or wheel attached member engages controller or
rigid extension
61.37 ....Through gearing
61.38 ....Wheel carried switch unit
61.39 .Control by direction of rotation of shaft or spindle
61.4 .Diameter responsive (e.g., wear)
61.41 .Stationary feeler detects transient object
61.42 .Feeler moves into detecting contact with object
61.43 ..Sensitive edge type closure
61.44 ..Vehicle attached or carried
61.45 R .Change of inclination or of rate of motion responsive
(e.g., inertia and tilt switches)
61.46 ..Rotary motion
61.47 ..Conducting fluid type
61.48 ..Oscillating controller
61.49 ...Resilient support arm
61.5 ...Restrained against return to normal
61.51 ...Conducting
61.52 ..Tilt responsive
61.53 ..Linearly moving controller
61.45 M ..Magnetic holding means
61.54 .Steering wheel, shaft or column mounted
61.55 ..Wheel hub spring biased type
61.56 ...With radially extending operator (e.g., horn ring)
61.57 ..On or in wheel rim
61.58 R .Actuated concurrently with operation or use of art device
61.59 ..Article inserted type (e.g., pencil sharpener)
61.6 ..Coupling of fluid conduit
61.61 ..Drawer
61.62 ..Closure, closure operator or accessory
61.63 ...Letter slot or box
61.64 ...Lock, bolt or keeper actuated
61.65 ....Elevator bar lock type
61.66 ....Improper key or mere presence of key in lock
61.67 ....By movement of bolt
61.68 .....In keeper
61.69 ...Plural closures or plural closure cycles
61.7 ...Hinge member actuated
61.71 ...Sliding closure
61.72 ....Closure-dragged switch actuator
61.73 ....Abutment type switch actuator
61.74 ....Spring-biased switch actuator
61.75 .....With modified closure
61.76 ...Spring-biased switch actuator
61.77 ....Pull chain operator
61.78 ....Spring contact
61.79 ....Manually disabled
61.8 ....Manually reset
61.81 ....Mounted on closure frame or enclosure wall
61.82 .....In recess
61.83 ...Gravity actuated
61.84 ...Window accessory (e.g., shades and blinds)
61.85 ..Manipulating, operating or carrying handle
61.86 ...For fluid controlling valvee
61.87 ...Hand brake lever
61.88 ...Gear shift lever
61.89 ..Vehicle pedal
61.9 ...Engine governed over-riding means
61.91 ..Transmission controlled
61.58 B ..Seat belt
61.93 .Anti-intrusion type
52 A .Tilting vehicle operated
* SNAP
400 CONTACT MOVED BY SUDDEN RELEASE OF STORED ENERGY, (E.G., SPRING
CHARGER)
401 TOGGLE MECHANISMS
402 SNAP
403 .Mercury snap
404 .Magnetic snap
405 .Double snap
406 ..Including raised flexible snap element (e.g., dome)
407 ..Blade element stressed to twisted configuration
408 ..Spring Buckle
409 ...Spring compressed between two points at a fixed distance from
each other
410 ..Rotating contact
411 ...Contact movement blocked until spring is charged (e.g.,
latch)
412 ....Push button actuated
413 ....Pull cord actuated
414 ....Including radial motion
415 ...Contact restrained until spring is charged (e.g., detent)
416 ...Cam actuated contact
417 ....Push button actuated
418 ....Pull cord actuated
419 ...Ratchet controlled
420 ....Pull cord actuated
421 ....Pawl carries contact
422 .....Push button actuated
423 .....Pull cord actuated
424 ..Contact movement is blocked until spring is charged
425 ...Blocked by distinct latch
426 ....Driving and driven element oscillate about a common axis
427 .....With reciprocating contact
428 ....Including cam or wedge release
429 ....Including reciprocating contact
430 ..Contact movement is restrained until spring is charged (e.g.,
detent)
431 ..Cam or wedge release
432 ...Roller contact acts as cam
433 ...Contact slides over pivot point
434 ...Reciprocating contact
435 ....Contact carrier snaps in opposite direction from actuator
436 ...Including lost motion coupling to cam
437 ...Spring biased element slides over pivoted element
438 ...Spring biased pivoted element snapped when cam follower
crossed pivot
439 ...Wedge on reciprocating actuator
440 ..With mechanism to insure positive separation of contacts
(i.e., positive kick)
441 ...Contact moved by separate lever
442 ...Actuator moves contact near limit of travell
443 ..Contact driven by impact element
444 ...Having weight drive
445 ..Snap spring system using multiple diverse springs
446 ..Systems having lost motion connections between the actuator,
an intermediate snapped element and the contact
447 ..Double ended type (e.g., reciprocating bridging contacts)
448 ...Contact pivots moved by actuator
449 ..Reciprocating contacts
450 ...Compression spring type
451 ..End of blade pivotally carries element compressing blade
452 ..Both ends of blade are freely floating
453 ..Compression spring (e.g., push force)
454 ...Both ends of spring move
455 ....Having roller contact
456 ....Both ends of spring are carried by blade (e.g., leaf
spring)
457 ....Axially compressed coil spring
458 ....One end of spring is carried by actuator
459 ...One end of spring is fixed
460 ....Central portion of spring is moved to cause snap
461 ....Blade is moved to cause snap
462 ..Tension spring (e.g., pull force)
463 ...Contact pivot point is moved to cause snap
464 ....Pivot point is carried by actuator
465 ...Both ends of spring move
466 ....One end of spring is carried by actuator
467 ...One end of spring is fixed
468 .Single snap
469 ..Including lost motion coupling to cam
470 ..Contact movement is blocked by latch until spring is charged
471 ..Contact restrained before snap spring is charged (e.g.,
detent)
472 ...Detent function performed by spring biased contact (e.g.,
knife blade)
79 SUSPENDED-WIRE CONTROLLED
80 R CENTRIFUGAL
80 A .Liquid contact
80 B .Reed-type contact
81 R FLUID PRESSURE
81.4 .Plural switch
81.5 .With plural operators
81.6 .Operable to cause liquid contact flow
81.8 .Bourdon tube type
81.9 R .Flow-responsive type
81.9 M ..Magnet
81.9 HG ..Mercury
82 R .Piston
82 B ..High voltage
82 C ..Micro-switch
82 D ..Automobile
82 DA ...Starter
82 A ..Adjustable piston stroke
82 E ..Magnet
83 R .Diaphragm
83 WM ..Washing machine
83 A ..Differential pressure
83 B ..Special diaphragm
83 C ..Aneroid bellowss
83 D ..Differential and plural bellows
83 F ..Liquid contact
83 J ..Piston and diaphragm
83 L ..Magnetically operated
83 N ..Contacts on diaphragm
83 P ..Snap action
83 Q ..Combined switch and valve actuator
83 S ..Adjustment means
83 SA ...Differential and range adjustment
83 T ..Time delay
83 V ..Miniature
83 Y ..Multiple diaphragms or multi-ply diaphragms
83 W ..Overpressure protection means
83 Z ..Manual actuating means
81 H .Hand operated
84 R FLOAT
84 A .Battery float switch
84 B .Float and pressure
84 C .Magnet
85 R WEIGHT
86 R .Treads
86 A ..Roadway
85 A .Seat operated
86.5 FOOT OPERATED
144 R ARC PREVENTING AND EXTINGUISHING
145 .Multiple break
146 R .Auxiliary shunt
146 A ..Tubular interrupter
146 AA ...Vacuum type, gas filled
147 R .Magnetic blow-out
147 A ..Permanent magnet
147 B ..With combined insulation and metal plates
148 R .Air current blow-out
148 A ..Puffer piston
148 B ..Sealed chamber
148 C ..Arc chutes
148 D ..Identical units back-to-back
148 E ..Recirculating systems
148 F ..Mechanical operator
148 G ..Arc extinguishing medium
148 H ..Low pressure cut-off valve means
148 J ..Magnetic synchronous
148 BV ..Blast valve with contacts
149 R .Interposed non-conductor
150 R ..Liquid
150 A ...Insulating liquid
150 H ...Vents, mufflers, separators
150 J ...Tank
150 JA ....Raising and lowering means
150 L ...Bridge bar contact
150 M ...Explosion pot
150 N ...Waterbreak expansion
150 B ...Oil poor breaker
150 C ...Rotary contact arm
150 D ...Pressure generating break
150 E ....Plural series
150 F ...Horizontally disposed multiple break
150 G ...Puffer pistonn
151 ..Solid
149 A ..Gas-evolving chambers
149 B ..Interposed shield
144 A .Rotating arc
144 B .Vacuum switch
144 C .Arc chute materials
144 AP .Resistance inserting
182 LIQUID CONTACT
183 .Combined
184 ..With illumination means
185 ..With electrical resistance
186 .Time delay
187 .Plural switches (in same housing)
188 ..With common electrical connection (solid or liquid)
189 ..Progressive contacts
190 .Liquid level responsive
191 .Having capillary tube means
192 ..With electro-capillary action
193 .Having electrolytic conductive-liquid means
194 ..With significant electrolyte
195 .Spray or jet by centrifugal force and/or by other
pressure-producing means
196 ..Periodic
197 ...Oscillating jet
198 ...Contact dips (moves relative to container) into the
conductive liquid
199 .Contact dips (moves relative to container) into the conductive
liquid
200 ..Periodic
201 ...Progressive contacts
202 ...Cam actuated
203 .Cam actuated
204 ..Gyratory movement
205 ..Periodic
206 ...Plural switches (switches not in same housing)
207 ...Eccentric switch movement (wobble)
208 .Periodic
209 .Piston or plunger means
210 ..Contact attached to or unitary with piston or plunger
211 .Pressure-deformable (flexible) means
212 ..With progressive contacts
213 ..With movably attached contact means
214 .With movable liquid-separating or shifting means
215 .With external support or external housing
216 ..With hermetic or resin sealing
217 ..Dual function support
218 ...With actuator securing means
219 ..With actuation means
220 .Tiltable or rotatable
221 ..Container has plural major conductive-liquid containing
chambers or spaces connected by a passageway
222 ...Container forms at least one contact
223 ..Having position sensitive ring, disk or conical contact
224 ..Multi-throw or multi-position
225 ...Single pole-double throw
226 ..Container forms at least one contact
227 ...Chamber contains insulative restrictive element or means to
form at least one conductive-liquid-containing recesss
228 ..Chamber contains insulative restrictive element or means to
form at least one conductive-liquid-containing recess
229 ..Container includes at least one integral recess
230 ..Float actuated
231 ..With significant contact-sealing means
232 ..With anti-splash means
233 .Particular conductive liquid
234 ..Having contact wetting agent
235 .Particular contact structure or material
236 ..Mounting or attaching means
500 HELICAL DRIVE MECHANISM
501 GEAR DRIVEN
502 SOLID CONTACT
503 .Rolamite-type
504 .Coaxial switch
505 .Hand held squeeze actuated switch
506 .Interposed nonconductor
507 .Screw used as moving contact
508 .Both contacts are moved
509 .Bimodal (e.g., single stroke make/break-no make on return)
510 ..Push button actuator
511 .Compressible elastomer
512 .Membrane type
513 ..Specific dome shape
514 ..Specitic nonconductive materials
515 ..Pressure equalizing means
516 ..Including auxiliary dome/disc type spring
517 ..Including additional actuator
518 .Plural actuators operate single switch
519 .Push and/or pull with 3 or more positions
520 .Push button operated
521 ..Including tactile feedback mechanism
522 ..Trigger actuator
523 ..Including alternate action mechanism (e.g., push-push)
524 ...With heart-shape cam
525 ...With w-shape rocking element
526 ...With rotating member (e.g., ball point pen type)
527 ....Including rotating contact
528 ....Rotating cam moves contact
529 ..Mechanism to transfer reciprocating to rotary or rocking
530 ..Contact carried by push button
531 ...Sliding contact
532 ...Leaf spring contact
533 ..Cam actuated contact
534 ..Abutting contact
535 ...Leaf spring contact
536 ..Sliding contact
537 .Reciprocating actuator
538 ..Push/pull rod
539 ...Specific detent structure
540 ...Contact carried by rod
541 ....Sliding contact
542 ...Cam actuated contact
543 ..Pull cord
544 ...Rotating contact
545 ...Cam actuated contact
546 ...Leaf spring contact
547 ..Slide switch (handle projects perpendicular to motion))
548 ...Housing and actuator form detent
549 ...Contact carried by slide
550 ....Sliding contact
551 ...Cam actuated contact
552 ..Two button switches - (noncoaxial parallel buttons)
553 .Rocking actuator (e.g., rocker, lever)
554 ..Knife blade contact
555 ...With catch
556 ..Housing and actuator form detent
557 ..Actuator biasing mechanism
558 ..Cam actuated contact
559 ...Leaf spring contact
560 ..Rotating contact
561 ..Reciprocating contact in straight-line motion
562 ..Contact carried by actuator
563 ...Sliding contact
564 .Rotating actuator (e.g., dial)
565 ..Housing and actuator form detent
566 ..Auxiliary motion required to actuate or release (e.g., push to
rotate)
567 ..Rotation about a longitudinal axis of tool or appliance
568 ..Contact actuated by cam
569 ...Leaf spring contact operated by cam on actuator
570 ..Rotating contact
571 ...Sliding contact
572 ..Linear moving contact
573 CAM OPERATES CONTACT OR MICROSWITCH
574 .Peripheral cam
237 ELECTRIC SWITCH DETAILS
238 .Contact
239 ..Abutting type
240 ...With subsequent rolling
241 ...With subsequent sliding
242 ....Having contact cleaning structure
243 ...Bridging contacts
244 ...With rigid pivoted member carrying the moving contact
245 ...With resilient mounting
246 ....With spring blade support
247 ....Within supporting guides
248 ...Self-aligning contacts
249 ...Having contact adjusting means
250 ...Having biasing means
251 ....Means for adjusting contact pressure
252 ..Sliding type
253 ...Having contact cleaning structure
253.1 ...Plug type contacts
254 ...Knife and clip contacts
255 ....Having biasing means
256 .....Means for adjusting contact pressure
257 ...With resilient mounting
258 ...Self-aligning contacts
259 ...Having contact adjusting means
260 ...Having biasing means
261 ....Means for adjusting contact pressure
262 ..Material
263 ...Cooperating contacts of different material
264 ...Infiltrated porous substance
265 ...Compositionss
266 ...Alloys
267 ...One layer (i.e., additional to its mounting)
268 ...Two layers
269 ...Three layers or more
270 ...Elements
271 ..Blade or pole-plate
272 ...With support
273 ...Rotary
274 ....With support
275 ..Particular shape or structure of the contact
276 ...Coil spring contact
276.1 ....With push button actuator
277 ...Roller contact
277.1 ....With push button actuator
277.2 ....With rocker actuator
278 ...Laminated
279 ...Contact making surface (e.g., grooved)
280 ..Interchangeable and reversible
281 ..Replaceable or renewable
282 ..Spring clip
283 ..Leaf spring support
284 ..Integral contact and terminal structure
285 ..Lubricated
286 ..Adjustment means
287 ...Self-adjusting
288 ..Buffer, rebound preventing
289 ..Cooler
290 ..Spring biasing means
291 ..Detent
292 ..Printed circuit
293 .Cases and bases
293.1 ..Unitary switch mounted in handle or handgrip
294 ..Surface
295 ..With flexible mounting means
296 ..Panel
297 ..Outlet box
298 ..Pendant
299 ...With lamp socket
300 ..Frangible element
301 ..Vibration dampening means
302.1 ..Dust, dirt, or moisture excluding
302.2 ...Seal for push button actuator
302.3 ...Seal for rocker or lever actuator
303 ..Split housing
304 ..With shield
305 ...Electrical shield
306 ..Venting means
307 ..Stacked
308 .Indicators
309 ..Interchangeable inserts
310 ..Illuminated
311 ...Having light-filtering means
312 ...Having additional indicating means
313 ...Light visible through actuator
314 ....Push button type
315 ....Rocker or toggle
316 ....Rotatable
317 ...Light visible through housingg
318 .Latches
318.1 ..Mechanism to hold push button down
318.2 ...Auxiliary motion of actuator required to release (e.g.,
turn or slide)
319 ..Shockproof
320 ..Plural latches
321 ..Manually operated latching means
322 ...Plate or lever
323 ..Self-operating latching means
324 ...Cam (plate, lever, etc.)
325 ....Spring biased
326 ...Gravity operated
327 ..Positioning or stop member
329 .Actuators
330 ..Auxiliary
331 ...Extension or remote
332 ...Lever
332.1 ...Having auxiliarly housing
332.2 ....Housing is a handle or handgrip for tool or appliance
333 ..Covers
334 ..Safety
335 ..Lever
336 ..Rotatable
337 ..With linkages
338 ..With attachment
339 ..Rocker
341 ..Push button
342 ...Including lost motion connection
343 ...Hinged button (e.g., piano key)
344 ...Mechanism to keep key level
345 ...Cap/stem and stem/housing details
* *****************************
* DIGESTS
* *****************************
DIG 2 Body attached switches
DIG 3 Coin operated
DIG 4 High potential type insulation
DIG 5 Fluid pressure: fluid amplifier
DIG 6 Tie bar
DIG 7 Molded drum
DIG 8 Disturbance
DIG 9 Momentum
DIG 10 Curb, bumper and fender
DIG 11 Web or thread actuated
DIG 12 Burglar screens
DIG 13 Shaft bearing and armature wear indicator switches
DIG 14 Rail or leak indicator
DIG 15 Bin alarm
DIG 16 Gas detector
DIG 17 Gas engine and motor vehicle
DIG 18 Gravity
DIG 19 Gyroscope
DIG 20 Sound and vibration operated
DIG 21 Pencil, counter or dispenser operated
DIG 22 Strain relief, shear pin
DIG 23 Game
DIG 24 Plug holder
DIG 26 Slack cable operatedd
DIG 27 Thermal magnetic snap
DIG 28 Thermal spring snap
DIG 29 Ball
DIG 30 Fluid conductor
DIG 31 Fluid flow
DIG 32 Speed responsive
DIG 33 Speed synchronizing switch
DIG 34 Recording and reproducing
DIG 35 Weight operated tread/treadless switch
DIG 36 Light operated switches
DIG 37 Hose
DIG 38 Money till drawer operated
DIG 39 Motor vehicle-steering column
DIG 40 Moisture
DIG 41 Liquid contact
DIG 42 Contact welding considerations
DIG 43 Fluid-operated matrix switches
DIG 44 Lubrication-periodic switches
DIG 46 Separators and/or insulators for stacked leaf spring
contacts
DIG 47 Light guides for switch indicators (prisms, reflectors,
cables, etc.)