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Class Information
Number: 267
Name: Spring devices >
Description: This class includes vehicle-springs, elastic extension devices, reciprocating-bed-cushioning devices, and miscellaneous spring structures which are not peculiar to any particular art.










Class Number Class Name No. of Patents
267/158

Bendable along flat surface (e.g., leaf spring)

216
267/164

Bow spring or superposed spring elements

65
267/165

Zigzag or plural

68
267/160

Flexural support

216
267/163

Including tang or spider

44
267/161

Ring or annular spider

150
267/162

Pair or pack

77
267/159

Snap spring

31
267/150

Centering device

112
267/166

Coil

153
267/167

Circular

81
267/166.1

Conical

32
267/170

Including end thrust member

71
267/177

Adjustable

126
267/171

Equilibrium or over-center

6
267/174

For dynamic or work environment

42
267/175

Adjustable

67
267/176

Reset

8
267/172

Including cam

18
267/173

Including lever

21
267/179

Particular end connection

197
267/178

Support type

40
267/169

Including internal brace

68
267/180

Irregular

121
267/168

Plural, one within another

78
267/151

Compound

37
267/152

Rubber

166
267/147

Compressed wire mesh

16
267/DIG.2

Constant height, self-pumping

23
267/DIG.1

Constant height

18
267/142

Cushion for human comfort

34
267/143

Compound

14
267/146

Fibrous pad

4
267/145

Rubber

27
267/144

Zigzag

21
267/69

Elastic extension devices

42
267/70

Compression spring

57
267/71

Single

51
267/72

Drawbars inclosed

20
267/73

Tension spring

39
267/74

Single

71
267/148

Fibrous

120
267/149

Glass fiber

74
267/113

Fluid

36
267/116

Bumper

72
267/117

Cushion for person

13
267/115

Draft gear

1
267/118

Expansible-contractible chamber device

40
267/121

Compound

24
267/122

Diaphragm or bellows

209
267/123

For valve or throttle control

11
267/124

Piston

100
267/125

For use in well drilling or operating

52
267/128

Rigid-material-spring impelled

3
267/129

Seal

25
267/126

System

30
267/127

Trans-piston passage

33
267/119

Press cushion

125
267/120

Vehicle; for non-support or accessory support cushioning

115
267/114

Time delay

19
267/181

Foraminated

37
267/134

Friction snubber

46
267/135

Snubbed coil spring or ring pack

10
267/182

Miscellaneous

94
267/1.5

Packing expander or constrictor

65
267/130

Press cushion

62
267/75

Reciprocating-bed-cushioning devices

15
267/136

Resilient shock or vibration absorber

558
267/139

Bumper

113
267/140

Rubber

209
267/140.5

Diverse resistance to vibration along different axes

114
267/138

Draft gear

28
267/140.3

Having diverse resilient element

96
267/140.4

Metallic and nonmetallic

102
267/140.11

Including energy absorbing means or feature (e.g., supplemental vehicle equipment, such as motor mount, seat, etc., including additional fluid or friction energy absorber)

274
267/140.13

Axial

704
267/140.14

With electronic or magnetic control

383
267/140.12

Having concentric coaxial spring between plural confining means for radial force

375
267/140.15

With electronic or magnetic control

208
267/141

Nonmetallic, resilient element

328
267/141.2

Confined between coaxial, vibrating annular members

224
267/141.3

Including radial contact surface, e.g., tapered or shouldered member

93
267/141.4

Annular flange or collar embedded in resilient element

112
267/141.5

Flanged or collared innermost member

43
267/141.7

Arcuate or tapered contact surface

51
267/141.6

Collapsible wall

22
267/141.1

Plural resilient elements with rigid spacer

241
267/137

Tool movement dampening

109
267/140.2

Variably preloaded

60
267/153

Rubber

416
267/131

Seat support

106
267/133

Flexural

16
267/132

Velocipede or motorcycle

40
267/DIG.3

Spring buckle

0
267/80

Spring panel

24
267/81

Composite springs of diverse material, e.g., metal and non-metal

19
267/83

Superposed layers; metal and non-metal

4
267/84

Metal layer is compressible coil spring

3
267/82

Vented fluid chamber modifies action of metallic spring

3
267/86

Diverse types of superposed metallic springs

6
267/88

Compressible coil spring loading surface supported by other spring

5
267/87

Sinuous spring loading surface supported by other spring

8
267/85

Multistage springs

7
267/110

Panel secured peripherally to supporting frame

43
267/111

Panel secured to tension frame inwardly

6
267/112

Secured by resilient connectors

13
267/103

Spring means spacing loading surface vertically from plane of supporting frame

134
267/107

By inwardly bowed portion, i.e., "fishmouth" type

30
267/108

With coiled apex, i.e., "safety pin" type

7
267/109

By outwardly bowed portion

5
267/106

Multiple sections span frame

17
267/105

Stiffener or bracer for loading surface

20
267/104

With supplementary spacing means intermediate ends of surface

2
267/91

Spring panel comprises vertically oriented compressible coil springs

56
267/95

Loading surface includes component other than coil spring

23
267/100

Mounted on frame spanning strips

21
267/93

Panel comprises spring of varying capacities

14
267/92

Plural superposed coils

6
267/99

Resiliently mounted on frame by tensile springs

4
267/101

Spring rows supported by row separating stringers

6
267/98

With diagonal surface-to-frame brace

0
267/94

With padding protector on spring end

4
267/97

With reinforcement or extension for border wire

15
267/96

With resilient side or end, e.g., edge roll

4
267/102

With cantilevered surface extension, i.e., "soft edge"

21
267/90

With means to dampen vibration of springs, e.g., sound deadening

8
267/89

With means to vary preliminary tension of spring

25
267/154

Torsion

165
267/155

Coil

111
267/157

Also compressible or expansible

19
267/156

Volute

59
267/2

Vehicle

9
267/6

Bolster

4
267/7

Leaf

9
267/66

Braces

14
267/68

Sliding

5
267/67

Yielding

10
267/286

Coil

62
267/288

Conical

6
267/287

Having stiffener

33
267/289

Plural coils

18
267/291

Having guide rods extending through coils

28
267/290

Nested

14
267/259

Compound

28
267/34

Coil and fluid pressure

143
267/33

Coil and rubber type

132
267/28

Leaf and coil

10
267/29

Leaf-end-connecting

2
267/31

Leaf and fluid pressure

43
267/32

Leaf-end-connecting

15
267/30

Leaf and rubber type

37
267/25

Leaf and torsion

14
267/26

Torsion coil

3
267/27

Leaf-end-connecting

3
267/23

Leaf, coil, and fluid pressure

2
267/24

Leaf, fluid pressure and liquid

2
267/35

Rubber type and fluid pressure

184
267/64.11

Comprising compressible fluid

226
267/64.27

Having flexible wall

287
267/64.12

Having lockable strut

183
267/64.14

Including chamber at sub-atmospheric pressure

17
267/64.13

Including compressible liquid

67
267/64.28

Including means for charging or discharging spring

275
267/64.15

With retarder

214
267/64.23

Having flexible wall

100
267/64.24

Including rolling lobe between telescoping members

191
267/64.22

Having metering pin for varying spring rate

42
267/64.25

Having plural compressible fluid springs

88
267/64.26

Having telescoping cylinders

169
267/64.16

Leveling device

155
267/64.19

Having flexible wall

92
267/64.21

Including rolling lobe between telescoping members

131
267/64.18

Having metering pin for varying spring rate

19
267/64.17

Self-pumping

90
267/292

Elastomeric

230
267/294

Having rigid spacer plate between plural elastomeric segments

124
267/293

Including central guide rod or tube through spring

301
267/272

Flat spiral

15
267/36.1

Leaf

59
267/37.1

And covering

8
267/37.4

Having lubricant reservoir or pad

1
267/37.2

Spiral or elastic covering

4
267/37.3

Three serially arranged metallic segments

2
267/51

Broken-spring supports

12
267/41

Cantilever

36
267/53

Clips

11
267/43

Elliptic and leaf

2
267/42

Elliptic

6
267/260

Having specific end connection

68
267/261

For elliptic spring

5
267/268

Having lubrication feature

6
267/267

Having rolling antifriction elements (e.g., ball bearing)

11
267/269

Including elastomeric material

35
267/270

Including tapered bushing or inner and outer sleeve for cylindrical bushing

21
267/271

Including shackle pivoted to spring and to vehicle

29
267/263

Including spring for biasing pivotal connection

14
267/265

Including spring position adjustment or geared connection

14
267/264

Including threaded or grooved bearing surface

3
267/262

Sliding

25
267/266

Universal joint

4
267/52

Intermediate supports

71
267/40

Longitudinal

10
267/45

Semielliptic and leaf

15
267/46

End-to-end connected

8
267/44

Semielliptic

9
267/39

Side bar

0
267/47

Structure

95
267/49

Antifriction

13
267/48

Auxiliary tensioning elements

19
267/50

Lubrication

0
267/38

Twin, axle interposed

1
267/228

Lever and nontorsion spring

5
267/248

Coil spring

43
267/249

Enclosed spring

15
267/250

Plural coaxial coils in enclosure

5
267/255

Including adjustment for spring loading

16
267/251

Plural nontorsion coil springs

12
267/252

Coaxial

4
267/253

Differentially deflected by lever

4
267/254

Quadrilateral suspension

13
267/257

Elastomeric spring

32
267/258

Annular or spherical

26
267/256

Fluid spring

44
267/229

Leaf spring

22
267/231

And coil spring

3
267/233

And "overload" bumper

1
267/232

And roller

1
267/239

Having leaf-end-connecting lever

1
267/240

Coil spring between lever and vehicle part

2
267/234

Including adjustment for spring loading

2
267/235

Adjusting screw coaxial with coil spring

0
267/237

Plural coaxial coils

0
267/238

Nested coils

0
267/236

Plural coils between vertically spaced leaf springs

1
267/241

And fluid pressure spring

11
267/243

And roller or bearing to accommodate deflection of spring

2
267/247

Center acting or resiliently biased lever

4
267/245

Having serially pivoted levers at end of spring

0
267/242

Including adjustment for spring loading

12
267/230

Quadrilateral suspension

2
267/246

Transverse leaf spring

7
267/244

Vertically spaced leaf springs (e.g., elliptic)

5
267/195

Mechanical spring and nonresilient retarder (e.g., shock absorber)

48
267/217

Fluid retarder

45
267/219

Elastomeric spring

520
267/220

Mounted at end of retarder

295
267/221

Helical coil spring

233
267/223

And rocking actuator arm or rotary fluid displacement member

3
267/224

Plural mechanical springs for biasing vehicle parts

4
267/225

Plural mechanical springs for biasing vehicle parts

47
267/222

Quadrilateral suspension

7
267/226

Spring within coaxial fluid chamber

104
267/227

Leaf spring

19
267/218

With separate pump or adjustment for spring loading

68
267/196

Friction (e.g., "snubber")

30
267/216

Coil spring for biasing vehicle parts and friction surfaces

20
267/201

Elastomeric spring or friction element

59
267/202

And helical coil spring

30
267/203

Plural coil springs

10
267/214

Friction surface formed on or biased by additional spring

10
267/215

Relatively rotating friction surfaces (e.g., drum type)

5
267/204

Friction surface on helical spring

22
267/200

Having lubricating feature

6
267/205

Including cam or wedge friction element or actuator therefor

29
267/206

Helical cam surface

1
267/209

Including helical coil spring

10
267/212

Nested coil springs

5
267/213

Inside friction shell

1
267/211

Plural laterally spaced coils (e.g., spring group)

15
267/210

Transversely oriented coil for biasing friction surfaces

1
267/208

Including relatively rotating friction surfaces (e.g., drum type)

3
267/207

Plural axially spaced expandable friction rings

9
267/197

Including flexible strap connector

3
267/199

Flat spiral spring

3
267/198

Strap forms friction element

1
267/183

Parallel depression (e.g., having stabilizer bar)

11
267/184

Duplex

1
267/185

Single pivot

0
267/186

Fluid stabilizer

22
267/187

Including torque bar or pump

13
267/192

Leaf spring stabilizer

8
267/193

Leaf spring acting between pivoted links

0
267/194

Plural nontorsion coil springs

1
267/188

Torque bar or tube stabilizer

52
267/190

And coil spring

19
267/189

And elastomeric member

28
267/191

And retarder

12
267/5

Perambulator

5
267/3

Railway

67
267/4

Coil

17
267/273

Torsion

131
267/277

And adjustment for varying spring loading

56
267/278

Screw threaded adjustment

15
267/284

And housing enclosing spring

21
267/276

And separate elastomeric member (e.g., bushing)

62
267/279

Elastomeric torsion spring

81
267/281

And attached inner and outer metallic sleeves

65
267/282

Plural concentric elastomeric rings

17
267/280

Plural axially spaced elastomeric elements

18
267/275

Helical torsion coil

31
267/283

Multilayer leaf

8
267/285

Plural torsion spring

25
267/274

Quadrilateral suspension

14
 
 
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