Class   267	SPRING DEVICES
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1.5

PACKING EXPANDER OR CONSTRICTOR

80

SPRING PANEL

81

. (1 indent ) Composite springs of diverse material, e.g., metal and non-metal

82

.. (2 indent ) Vented fluid chamber modifies action of metallic spring

83

.. (2 indent ) Superposed layers; metal and non-metal

84

... (3 indent ) Metal layer is compressible coil spring

85

. (1 indent ) Multistage springs

86

. (1 indent ) Diverse types of superposed metallic springs

87

.. (2 indent ) Sinuous spring loading surface supported by other spring

88

.. (2 indent ) Compressible coil spring loading surface supported by other spring

89

. (1 indent ) With means to vary preliminary tension of spring

90

. (1 indent ) With means to dampen vibration of springs, e.g., sound deadening

91

. (1 indent ) Spring panel comprises vertically oriented compressible coil springs

92

.. (2 indent ) Plural superposed coils

93

.. (2 indent ) Panel comprises spring of varying capacities

94

.. (2 indent ) With padding protector on spring end

95

.. (2 indent ) Loading surface includes component other than coil spring

96

.. (2 indent ) With resilient side or end, e.g., edge roll

97

.. (2 indent ) With reinforcement or extension for border wire

98

.. (2 indent ) With diagonal surface-to-frame brace

99

.. (2 indent ) Resiliently mounted on frame by tensile springs

100

.. (2 indent ) Mounted on frame spanning strips

101

.. (2 indent ) Spring rows supported by row separating stringers

102

. (1 indent ) With cantilevered surface extension, i.e., "soft edge"

103

. (1 indent ) Spring means spacing loading surface vertically from plane of supporting frame

104

.. (2 indent ) With supplementary spacing means intermediate ends of surface

105

.. (2 indent ) Stiffener or bracer for loading surface

106

.. (2 indent ) Multiple sections span frame

107

.. (2 indent ) By inwardly bowed portion, i.e., "fishmouth" type

108

... (3 indent ) With coiled apex, i.e., "safety pin" type

109

.. (2 indent ) By outwardly bowed portion

110

. (1 indent ) Panel secured peripherally to supporting frame

111

.. (2 indent ) Panel secured to tension frame inwardly

112

... (3 indent ) Secured by resilient connectors

2

VEHICLE

3

. (1 indent ) Railway

4

.. (2 indent ) Coil

5

. (1 indent ) Perambulator

6

. (1 indent ) Bolster

7

.. (2 indent ) Leaf

183

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

184

.. (2 indent ) Duplex

185

... (3 indent ) Single pivot

186

.. (2 indent ) Fluid stabilizer

187

... (3 indent ) Including torque bar or pump

188

.. (2 indent ) Torque bar or tube stabilizer

189

... (3 indent ) And elastomeric member

190

... (3 indent ) And coil spring

191

... (3 indent ) And retarder

192

.. (2 indent ) Leaf spring stabilizer

193

... (3 indent ) Leaf spring acting between pivoted links

194

.. (2 indent ) Plural nontorsion coil springs

195

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

196

.. (2 indent ) Friction (e.g., "snubber")

197

... (3 indent ) Including flexible strap connector

198

.... (4 indent ) Strap forms friction element

199

.... (4 indent ) Flat spiral spring

200

... (3 indent ) Having lubricating feature

201

... (3 indent ) Elastomeric spring or friction element

202

.... (4 indent ) And helical coil spring

203

....• (5 indent ) Plural coil springs

204

... (3 indent ) Friction surface on helical spring

205

... (3 indent ) Including cam or wedge friction element or actuator therefor

206

.... (4 indent ) Helical cam surface

207

.... (4 indent ) Plural axially spaced expandable friction rings

208

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

209

.... (4 indent ) Including helical coil spring

210

....• (5 indent ) Transversely oriented coil for biasing friction surfaces

211

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

212

....• (5 indent ) Nested coil springs

213

....•. (6 indent ) Inside friction shell

214

... (3 indent ) Friction surface formed on or biased by additional spring

215

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

216

... (3 indent ) Coil spring for biasing vehicle parts and friction surfaces

217

.. (2 indent ) Fluid retarder

218

... (3 indent ) With separate pump or adjustment for spring loading

219

... (3 indent ) Elastomeric spring

220

.... (4 indent ) Mounted at end of retarder

221

... (3 indent ) Helical coil spring

222

.... (4 indent ) Quadrilateral suspension

223

.... (4 indent ) And rocking actuator arm or rotary fluid displacement member

224

....• (5 indent ) Plural mechanical springs for biasing vehicle parts

225

.... (4 indent ) Plural mechanical springs for biasing vehicle parts

226

.... (4 indent ) Spring within coaxial fluid chamber

227

... (3 indent ) Leaf spring

228

. (1 indent ) Lever and nontorsion spring

229

.. (2 indent ) Leaf spring

230

... (3 indent ) Quadrilateral suspension

231

... (3 indent ) And coil spring

232

.... (4 indent ) And roller

233

.... (4 indent ) And "overload" bumper

234

.... (4 indent ) Including adjustment for spring loading

235

....• (5 indent ) Adjusting screw coaxial with coil spring

236

.... (4 indent ) Plural coils between vertically spaced leaf springs

237

.... (4 indent ) Plural coaxial coils

238

....• (5 indent ) Nested coils

239

.... (4 indent ) Having leaf-end-connecting lever

240

....• (5 indent ) Coil spring between lever and vehicle part

241

... (3 indent ) And fluid pressure spring

242

... (3 indent ) Including adjustment for spring loading

243

... (3 indent ) And roller or bearing to accommodate deflection of spring

244

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

245

... (3 indent ) Having serially pivoted levers at end of spring

246

... (3 indent ) Transverse leaf spring

247

... (3 indent ) Center acting or resiliently biased lever

248

.. (2 indent ) Coil spring

249

... (3 indent ) Enclosed spring

250

.... (4 indent ) Plural coaxial coils in enclosure

251

... (3 indent ) Plural nontorsion coil springs

252

.... (4 indent ) Coaxial

253

.... (4 indent ) Differentially deflected by lever

254

... (3 indent ) Quadrilateral suspension

255

... (3 indent ) Including adjustment for spring loading

256

.. (2 indent ) Fluid spring

257

.. (2 indent ) Elastomeric spring

258

... (3 indent ) Annular or spherical

259

. (1 indent ) Compound

23

.. (2 indent ) Leaf, coil, and fluid pressure

24

.. (2 indent ) Leaf, fluid pressure and liquid

25

.. (2 indent ) Leaf and torsion

26

... (3 indent ) Torsion coil

27

.... (4 indent ) Leaf-end-connecting

28

.. (2 indent ) Leaf and coil

29

... (3 indent ) Leaf-end-connecting

30

.. (2 indent ) Leaf and rubber type

31

.. (2 indent ) Leaf and fluid pressure

32

... (3 indent ) Leaf-end-connecting

33

.. (2 indent ) Coil and rubber type

34

.. (2 indent ) Coil and fluid pressure

35

.. (2 indent ) Rubber type and fluid pressure

36.1

. (1 indent ) Leaf

37.1

.. (2 indent ) And covering

37.2

... (3 indent ) Spiral or elastic covering

37.3

... (3 indent ) Three serially arranged metallic segments

37.4

... (3 indent ) Having lubricant reservoir or pad

38

.. (2 indent ) Twin, axle interposed

39

.. (2 indent ) Side bar

40

.. (2 indent ) Longitudinal

41

.. (2 indent ) Cantilever

42

.. (2 indent ) Elliptic

43

.. (2 indent ) Elliptic and leaf

44

.. (2 indent ) Semielliptic

45

.. (2 indent ) Semielliptic and leaf

46

... (3 indent ) End-to-end connected

47

.. (2 indent ) Structure

48

... (3 indent ) Auxiliary tensioning elements

49

... (3 indent ) Antifriction

50

... (3 indent ) Lubrication

51

.. (2 indent ) Broken-spring supports

52

.. (2 indent ) Intermediate supports

53

.. (2 indent ) Clips

260

.. (2 indent ) Having specific end connection

261

... (3 indent ) For elliptic spring

262

... (3 indent ) Sliding

263

... (3 indent ) Including spring for biasing pivotal connection

264

... (3 indent ) Including threaded or grooved bearing surface

265

... (3 indent ) Including spring position adjustment or geared connection

266

... (3 indent ) Universal joint

267

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

268

... (3 indent ) Having lubrication feature

269

... (3 indent ) Including elastomeric material

270

.... (4 indent ) Including tapered bushing or inner and outer sleeve for cylindrical bushing

271

... (3 indent ) Including shackle pivoted to spring and to vehicle

272

. (1 indent ) Flat spiral

273

. (1 indent ) Torsion

274

.. (2 indent ) Quadrilateral suspension

275

.. (2 indent ) Helical torsion coil

276

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

277

.. (2 indent ) And adjustment for varying spring loading

278

... (3 indent ) Screw threaded adjustment

279

.. (2 indent ) Elastomeric torsion spring

280

... (3 indent ) Plural axially spaced elastomeric elements

281

... (3 indent ) And attached inner and outer metallic sleeves

282

.... (4 indent ) Plural concentric elastomeric rings

283

.. (2 indent ) Multilayer leaf

284

.. (2 indent ) And housing enclosing spring

285

.. (2 indent ) Plural torsion spring

286

. (1 indent ) Coil

287

.. (2 indent ) Having stiffener

288

.. (2 indent ) Conical

289

.. (2 indent ) Plural coils

290

... (3 indent ) Nested

291

... (3 indent ) Having guide rods extending through coils

292

. (1 indent ) Elastomeric

293

.. (2 indent ) Including central guide rod or tube through spring

294

.. (2 indent ) Having rigid spacer plate between plural elastomeric segments

64.11

. (1 indent ) Comprising compressible fluid

64.12

.. (2 indent ) Having lockable strut

64.13

.. (2 indent ) Including compressible liquid

64.14

.. (2 indent ) Including chamber at sub-atmospheric pressure

64.15

.. (2 indent ) With retarder

64.16

... (3 indent ) Leveling device

64.17

.... (4 indent ) Self-pumping

64.18

.... (4 indent ) Having metering pin for varying spring rate

64.19

.... (4 indent ) Having flexible wall

64.21

....• (5 indent ) Including rolling lobe between telescoping members

64.22

... (3 indent ) Having metering pin for varying spring rate

64.23

... (3 indent ) Having flexible wall

64.24

.... (4 indent ) Including rolling lobe between telescoping members

64.25

... (3 indent ) Having plural compressible fluid springs

64.26

... (3 indent ) Having telescoping cylinders

64.27

.. (2 indent ) Having flexible wall

64.28

.. (2 indent ) Including means for charging or discharging spring

66

. (1 indent ) Braces

67

.. (2 indent ) Yielding

68

.. (2 indent ) Sliding

69

ELASTIC EXTENSION DEVICES

70

. (1 indent ) Compression spring

71

.. (2 indent ) Single

72

... (3 indent ) Drawbars inclosed

73

. (1 indent ) Tension spring

74

.. (2 indent ) Single

75

RECIPROCATING-BED-CUSHIONING DEVICES

113

FLUID

114

. (1 indent ) Time delay

115

. (1 indent ) Draft gear

116

. (1 indent ) Bumper

117

. (1 indent ) Cushion for person

118

. (1 indent ) Expansible-contractible chamber device

119

.. (2 indent ) Press cushion

120

.. (2 indent ) Vehicle; for non-support or accessory support cushioning

121

.. (2 indent ) Compound

122

.. (2 indent ) Diaphragm or bellows

123

... (3 indent ) For valve or throttle control

124

.. (2 indent ) Piston

125

... (3 indent ) For use in well drilling or operating

126

... (3 indent ) System

127

.... (4 indent ) Trans-piston passage

128

... (3 indent ) Rigid-material-spring impelled

129

... (3 indent ) Seal

130

PRESS CUSHION

131

SEAT SUPPORT

132

. (1 indent ) Velocipede or motorcycle

133

. (1 indent ) Flexural

134

FRICTION SNUBBER

135

. (1 indent ) Snubbed coil spring or ring pack

136

RESILIENT SHOCK OR VIBRATION ABSORBER

137

. (1 indent ) Tool movement dampening

138

. (1 indent ) Draft gear

139

. (1 indent ) Bumper

140

.. (2 indent ) Rubber

140.11

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

140.12

.. (2 indent ) Having concentric coaxial spring between plural confining means for radial force

140.13

.. (2 indent ) Axial

140.14

... (3 indent ) With electronic or magnetic control

140.15

.. (2 indent ) With electronic or magnetic control

140.2

. (1 indent ) Variably preloaded

140.3

. (1 indent ) Having diverse resilient element

140.4

.. (2 indent ) Metallic and nonmetallic

140.5

. (1 indent ) Diverse resistance to vibration along different axes

141

. (1 indent ) Nonmetallic, resilient element

141.1

.. (2 indent ) Plural resilient elements with rigid spacer

141.2

.. (2 indent ) Confined between coaxial, vibrating annular members

141.3

... (3 indent ) Including radial contact surface, e.g., tapered or shouldered member

141.4

.... (4 indent ) Annular flange or collar embedded in resilient element

141.5

....• (5 indent ) Flanged or collared innermost member

141.6

.... (4 indent ) Collapsible wall

141.7

.... (4 indent ) Arcuate or tapered contact surface

142

CUSHION FOR HUMAN COMFORT

143

. (1 indent ) Compound

144

. (1 indent ) Zigzag

145

. (1 indent ) Rubber

146

. (1 indent ) Fibrous pad

147

COMPRESSED WIRE MESH

148

FIBROUS

149

. (1 indent ) Glass fiber

150

CENTERING DEVICE

151

COMPOUND

152

. (1 indent ) Rubber

153

RUBBER

154

TORSION

155

. (1 indent ) Coil

156

.. (2 indent ) Volute

157

.. (2 indent ) Also compressible or expansible

158

BENDABLE ALONG FLAT SURFACE (E.G., LEAF SPRING)

159

. (1 indent ) Snap spring

160

. (1 indent ) Flexural support

161

. (1 indent ) Ring or annular spider

162

.. (2 indent ) Pair or pack

163

. (1 indent ) Including tang or spider

164

. (1 indent ) Bow spring or superposed spring elements

165

.. (2 indent ) Zigzag or plural

166

COIL

166.1

. (1 indent ) Conical

167

. (1 indent ) Circular

168

. (1 indent ) Plural, one within another

169

. (1 indent ) Including internal brace

170

. (1 indent ) Including end thrust member

171

.. (2 indent ) Equilibrium or over-center

172

.. (2 indent ) Including cam

173

.. (2 indent ) Including lever

174

.. (2 indent ) For dynamic or work environment

175

... (3 indent ) Adjustable

176

... (3 indent ) Reset

177

.. (2 indent ) Adjustable

178

.. (2 indent ) Support type

179

.. (2 indent ) Particular end connection

180

. (1 indent ) Irregular

181

FORAMINATED

182

MISCELLANEOUS

	FOREIGN ART COLLECTIONS

FOR000

CLASS-RELATED FOREIGN DOCUMENTS

	DIGESTS

DIG1

CONSTANT HEIGHT

DIG2

CONSTANT HEIGHT, SELF-PUMPING

DIG3

SPRING BUCKLE

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