US Patent Class 403
JOINTS AND CONNECTIONS




Electronic
File
Wrappers


Electronic
Patent
Documents


Paper
Patent
Documents

Current as of: June, 1999
Click for Main Headings
Click DF for Definitions
Click for All Classes

Internet Version by PATENTEC © 1999       Terms of Use



Products
and
Services


  DF  CLASS NOTES
1  DF  SELECTIVELY ENGAGEABLE HUB TO SHAFT CONNECTION
2  DF  INCLUDING FRANGIBLE COMPONENT
3  DF  SELECTIVELY ASSEMBLED, E.G., CONVERTIBLE, ETC.
4  DF  .~ Selective orientation
5  DF  INFLATABLE CONNECTOR
6  DF  WITH OPENING FOR ACCESS TO CONNECTOR OR OPERATOR
7  DF  .~ To threaded component
8  DF  .~.~ Transverse to thread axis
9  DF  .~ To biased component
10  DF  CLOSURE OR PLUG SPACED FROM JOINT
11  DF  WITH ADJUNCTIVE PROTECTOR, BROKEN PARTS RETAINER, REPAIR, ASSEMBLY OR DISASSEMBLY FEATURE
12  DF  .~ Holding means or protector functioning only during transportation, assembly or disassembly
13  DF  .~ Position or guide means
14  DF  .~.~ Related to joint component
15  DF  .~ Utilizing fluid pressure
16  DF  .~ Back-off means, e.g., separator, etc.
17  DF  .~ Handle or handwheel
18  DF  .~.~ Actuates retainer or blocker
19  DF  .~ Tool-engaging or accommodating means or with tool
20  DF  .~.~ For latch or retainer
21  DF  .~ Releasably captive nut or bolt
22  DF  .~ Means to lock bolt or nut when other is turned
23  DF  WITH ADJUNCTIVE SHIELD
24  DF  STRUCTURALLY INSTALLED IN DIVERSE ART DEVICE
25  DF  .~ Head or base
26  DF  COUPLING SUPPORTED BY INDEPENDENT BEARING
27  DF  WITH INDICATOR OR INSPECTION MEANS
28  DF  UTILIZING THERMAL CHARACTERISTIC, E.G., EXPANSION OR CONTRACTION, ETC.
29  DF  .~ Interposed material of intermediate coefficient of expansion
30  DF  .~ Members having different coefficients of expansion
31  DF  WITH FLUID PRESSURE RESPONSIVE COMPONENT
32  DF  WITH AMBIENT CONDITION RESPONSIVE CONTROL MEANS
33  DF  WITH INDEPENDENT HANDLE OR OPERATOR
34  DF  WITH DISTINCT FLUID OR ARTICLE HANDLING OR DIRECTING FEATURE
35  DF  .~ External reservoir
36  DF  .~ Pressure fitting
37  DF  .~ Including port or reservoir communicating with joint
38  DF  .~.~ Articulated member
39  DF  .~.~.~ At joint interface
40  DF  NON-ADHERING FLUENT MATERIAL AT JOINT
41  DF  WITH STRAIN-LIMITING MEANS
42  DF  COMBINED
43  DF  ROTARILY CONNECTED, DIFFERENTIALLY TRANSLATABLE MEMBERS, E.G., TURN-BUCKLE, ETC.
44  DF  .~ Having tool-engaging means or operating handle
45  DF  .~ Having operating mechanism
46  DF  .~ Having locking means
47  DF  .~ Differential pitch, similar hand
48  DF  .~ Externally threaded actuator
49  DF  LATERALLY RELATED MEMBERS CONNECTED BY LATCH MEANS, E.G., SCAFFOLD CONNECTORS
50  DF  FLEXIBLE DIAPHRAGM OR BELLOWS
51  DF  .~ With additional connection or packing
52  DF  ARTICULATED MEMBERS
53  DF  .~ Plural distinct articulation axes
54  DF  .~.~ Three or more parallel axes
55  DF  .~.~ Single adjustment for plural axes
56  DF  .~.~ Plural ball and socket
57  DF  .~.~ Universal
58  DF  .~.~.~ Non-coplanar axes
59  DF  .~.~ Angular and linear
60  DF  .~.~.~ Screw and swivel
61  DF  .~.~.~ Pivot stud slidable in elongated opening
62  DF  .~.~ Parallel rotary
63  DF  .~.~ Plural translating connections
64  DF  .~ Branched
65  DF  .~ Member pivoted at rigid corner
66  DF  .~ Including static joint
67  DF  .~.~ Trunnion assembly to side of rod
68  DF  .~.~ One member is plate or side
69  DF  .~.~.~ Secant, i.e., rod extending through plate
70  DF  .~.~.~ Plate or side forms bearing surface
71  DF  .~.~.~ Bearing component clamped to plate or side, e.g., bolted, etc.
72  DF  .~.~ Articulate joint intermediate end joints
73  DF  .~.~.~ Variable angle
74  DF  .~.~.~.~ Universal
75  DF  .~.~ Angled or offset members
76  DF  .~.~ Articulate joint is ball and socket
77  DF  .~.~.~ With threaded joint
78  DF  .~.~ Articulate joint is a swivel
79  DF  .~.~ Articulate joint comprises pivoted clevis or channel bar
80  DF  .~.~ Articulate joint is a slide
81  DF  .~ Including operator
82  DF  .~ Arcuate shank moves in complementary guide
83  DF  .~ Lockable at fixed position
84  DF  .~.~ At selected angle
85  DF  .~.~.~ Movable brace between members
86  DF  .~.~.~ Members rotatable about oblique axes
87  DF  .~.~.~ Clamping screw traverses sliding complementary arcuate bearing surfaces
88  DF  .~.~.~ Securing yoke or ring spaced radially from locking means
89  DF  .~.~.~.~ Eyebolt
90  DF  .~.~.~ Ball and socket
91  DF  .~.~.~ Including pivot stud
92  DF  .~.~.~.~ Including radially spaced detent or latch component
93  DF  .~.~.~.~.~ Engaging notch or recess in outer periphery of component
94  DF  .~.~.~.~.~ Side of rod engages recess in radial face
95  DF  .~.~.~.~.~ Pivoted detent
96  DF  .~.~.~.~.~ Engaging recess in radial face
97  DF  .~.~.~.~ Including radial interengaging tongue and slot or serrations
98  DF  .~.~.~.~ Radially spaced arcuate slot engages fastener
99  DF  .~.~.~.~ Locked by plural motions of one member
100  DF  .~.~.~.~ Including bridging keeper
101  DF  .~.~.~.~ Locked by nesting parts
102  DF  .~.~.~.~ Members locked in axial alignment
103  DF  .~.~.~ Plural distinct positions
104  DF  .~.~ Plural distinct positions
105  DF  .~.~.~ Unidirectional movement, e.g., ratchet, etc.
106  DF  .~.~.~ At least one discrete position
107  DF  .~.~.~.~ Step-by-step adjustment
108  DF  .~.~.~.~.~ Retainer extends through aligned recesses
109.1  DF  .~.~ Telescoping members
109.2  DF  .~.~.~ Having detent
109.3  DF  .~.~.~.~ Spring biased
109.4  DF  .~.~.~.~ Threaded
109.5  DF  .~.~.~.~ Cam or wedge
109.6  DF  .~.~.~.~ Having transverse pin
109.7  DF  .~.~.~ Remotely actuated
109.8  DF  .~.~.~ Self-locking
110  DF  .~.~ Clamped members
111  DF  .~ Rotatable members resiliently biased to one position
112  DF  .~ Including limit means
113  DF  .~.~ For pivotal motion
114  DF  .~.~.~ Ball and socket with restricted movement about one axis
115  DF  .~.~.~.~ Ball stud passes through confining opening
116  DF  .~.~.~ Pin and slot
117  DF  .~.~.~ Opposed stops on one member
118  DF  .~ Threaded interface
119  DF  .~ Pivoted
120  DF  .~.~ Including circumferential biasing or damping means
121  DF  .~.~ Rocking or rolling contact
122  DF  .~.~ Universal ball and socket
123  DF  .~.~.~ Including internal tie means
124  DF  .~.~.~ Plural concave surfaces with diverse curvature
125  DF  .~.~.~.~ Interposed concavo-convex component
126  DF  .~.~.~.~ Outer surfaces
127  DF  .~.~.~ Swiveled ball parts or seat
128  DF  .~.~.~ Composite ball
129  DF  .~.~.~.~ Spring biased segments
130  DF  .~.~.~.~ Nonmetallic part
131  DF  .~.~.~.~ Stud extends into ball
132  DF  .~.~.~ Elastomerically biased or backed components
133  DF  .~.~.~ Elastomeric seat
134  DF  .~.~.~ Externally packed
135  DF  .~.~.~ Including liner, shim, or discrete seat
136  DF  .~.~.~.~ Spring acts through wedging surfaces
137  DF  .~.~.~.~ Variably preloaded
138  DF  .~.~.~.~ Spring-biased seat opposite ball stud
139  DF  .~.~.~.~ Porous
140  DF  .~.~.~.~ Completely spacing the members
141  DF  .~.~.~ Divided socket-type coupling
142  DF  .~.~.~ Bifurcated socket
143  DF  .~.~.~ Separable socket sections
144  DF  .~.~.~ Spring-biased
145  DF  .~.~ Including tension or take-up means
146  DF  .~.~.~ Interposed spring means coaxial with pivot
147  DF  .~.~.~ Acting through tapered surface on bearing component
148  DF  .~.~.~ Manually variable
149  DF  .~.~.~ External of bearing assembly, e.g., antirattler, etc.
150  DF  .~.~ T-pivot, e.g., wrist pin, etc.
151  DF  .~.~.~ Floating pin
152  DF  .~.~.~ Pin is integral with or secured to inner member
153  DF  .~.~.~ Expanded pin or end
154  DF  .~.~.~ Including distinct pin retainer
155  DF  .~.~.~.~ Unitary clip or plug
156  DF  .~.~.~.~ Threaded pin end
157  DF  .~.~.~ Fork and tongue
158  DF  .~.~.~.~ With interposed antifriction means
159  DF  .~.~.~.~ Oppositely laterally movable tines
160  DF  .~.~ On oblique interface
161  DF  .~.~ Transverse pin or stud
162  DF  .~.~.~ Traverses interposed facing component
163  DF  .~.~.~ Attached to or integral with one member
164  DF  .~ Rotatable
165  DF  .~.~ Rod in socket
166  DF  .~ Axially spring-biased coaxial members
167  DF  TRANSVERSE ROD TO SPACED PLATE SURFACES
168  DF  .~ Retainer utilizes or abuts plural plates
169  DF  BRANCHED
170  DF  .~ Three or more radiating members
171  DF  .~.~ Polyhedral
172  DF  .~.~.~ Unilateral of plane
173  DF  .~.~ Plural pairs of axially aligned members
174  DF  .~.~ Coplanar
175  DF  .~.~.~ Additional rod held by encompassing means
176  DF  .~ Polyhedral
177  DF  .~ Parallel rods
178  DF  .~ Coplanar
179  DF  DIVERSE MATERIAL COUPLING MEMBER
180  DF  THREE OR MORE SERIAL JOINTS, AT LEAST ONE DIVERSE
181  DF  .~ Nonaligned axes
182  DF  .~ Separable intermediate joint
183  DF  .~.~ Axially acting connector
184  DF  .~.~ Screw or cam
185  DF  JOINT INVOLVING PLURAL LAYERS OF SINGLE ROD
186  DF  LATERALLY RELATED RODS INDEPENDENTLY JOINED TO TRANSVERSE SURFACE
187  DF  ROD TO MEMBER TO SIDE, E.G., PLATE, ROD SIDE, ETC.
188  DF  .~ Rod side to member to side
189  DF  .~ Unilateral of side
190  DF  .~ Arcuate or multiplanar side
191  DF  .~.~ Encompassed side
192  DF  .~ Intermediate member includes tubular part
193  DF  .~.~ Side or tubular part deformed in situ
194  DF  .~.~ Intermediate member extends through side
195  DF  .~.~.~ Split or divided tubular part and coacting compressor
196  DF  .~.~.~ Transverse clamp secures rod and tubular part
197  DF  .~.~.~ Rod also extends through side
198  DF  .~.~ Oblique rod
199  DF  .~.~ Intermediate member secured to side by radial flange
200  DF  .~.~ Internally threaded tubular part
201  DF  .~ Intermediate member extends completely through side
202  DF  RADIALLY SPACED MEMBERS JOINED BY INDEPENDENT COUPLING
203  DF  .~ Flexible intermediate member
204  DF  COACTING CONNECTION BETWEEN INNER MEMBER AND PLURAL PARTS OF OUTER MEMBER
205  DF  RIGID ANGLE COUPLING, E.G., ELBOW OR U, ETC.
206  DF  AXIALLY CURVED OR BENT PORTION OF ROD IS JOINT COMPONENT
207  DF  .~ Interfitted crossing rods
208  DF  .~ Joined to laterally related transverse surface at axially spaced points
209  DF  .~ Reversely bent portion
210  DF  .~.~ Around eye-forming thimble
211  DF  .~.~ With wedge clamp
212  DF  .~.~ Held by crimped collar
213  DF  .~.~ Open U
214  DF  .~ Intertwisted ends
215  DF  .~ End of rod is deflected laterally within connector
216  DF  .~ Plural rods distorted by single component
217  DF  THREE OR MORE MEMBERS CONNECTED AT SINGLE LOCUS
218  DF  .~ All encompassed
219  DF  .~ Mutually contacting
220  DF  FLEXIBLY CONNECTED RIGID MEMBERS
221  DF  .~ Rigid sleeve encompasses flexible bushing
222  DF  .~.~ Longitudinally divided sleeve
223  DF  .~ Flexible sleeve-type coupling
224  DF  .~ Connecting pin traverses radially interposed elastomer
225  DF  .~ Elastomer interposed between radially spaced members
226  DF  .~.~ Elastomer encompasses shoulder on inner member
227  DF  .~.~ Including axially acting compressing means
228  DF  .~.~ Composite bushing with elastomeric component
229  DF  .~ Helical spring type coupling
230  DF  ROD END TO TRANSVERSE SIDE OF MEMBER
231  DF  .~ Corner joint
232.1  DF  .~ Stirrup
233  DF  .~ Structure attached to rod end encompasses side
234  DF  .~.~ Clamped saddle
235  DF  .~.~ Yoke or ring
236  DF  .~.~.~ Having radial screw at bight
237  DF  .~ Including saddle
238  DF  .~ Gland type
239  DF  .~.~ Rod and side gripped simultaneously by single actuation
240  DF  .~ Rod clamped to hole edge
241  DF  .~ Rod to open edge of side, e.g., wrap-around connection
242  DF  .~ Rod and side deformingly interlocked
243  DF  .~ Radially interposed, side-engaging shim or bushing
244  DF  .~ Socket formed by shaping or deforming side
245  DF  .~ Integral transverse projection on side, e.g., necked, etc.
246  DF  .~.~ From rod side
247  DF  .~ Utilizing opposite sides of member
248  DF  .~.~ Rod is expanded by component inserted from distal side
249  DF  .~.~.~ Separate and deformable component
250  DF  .~.~.~ Plural contacting components
251  DF  .~.~.~ Barbed component
252  DF  .~.~ Inserted, blind-side-engaging, retaining portion on rod
253  DF  .~.~ Stepped or tapered recess in side
254  DF  .~.~.~ Terminal, rod-attached retainer engages distal side
255  DF  .~.~.~.~ Inserted into rod
256  DF  .~.~ Clamped member
257  DF  .~.~.~ Clamping component engages recessed side
258  DF  .~.~.~ Bolted to rod
259  DF  .~.~.~ Between rod shoulder and terminal nut
260  DF  .~.~.~ Bolted through member
261  DF  .~.~.~ Coaxial collar or shoulder or rod is clamp element
262  DF  .~ Flange on rod bolted to side
263  DF  .~ Rod received in recessed side, e.g., socket or tapered opening, etc.
264  DF  .~ Utilizing internal rod structure
265  DF  MOLDED JOINT
266  DF  .~ And independent connection
267  DF  .~ Including mechanical interlock
268  DF  .~ Socket or open cup for bonding material
269  DF  .~ Member cast in situ
270  DF  .~ Fusion bond, e.g., weld, etc.
271  DF  .~.~ Metallic fusion material
272  DF  .~.~.~ Added bonding material, e.g., solder, braze, etc.
273  DF  SHRUNK FIT
274  DF  MEMBER DEFORMED IN SITU
275  DF  .~ Separating element between strands of member
276  DF  .~ Interposed deforming element contacts socket bottom
277  DF  .~ Inner member is expanded by longitudinally inserted element
278  DF  .~ By separate, deformable element
279  DF  .~ Deformation occurs simultaneously with action of separate, diverse function, joint component
280  DF  .~ Deforming component is inserted section
281  DF  .~ Separate deforming means remains with joint assembly
282  DF  .~ Deformation occurs simultaneously with assembly
283  DF  .~ By piercing
284  DF  .~ Diverse resistance to lateral deforming force
285  DF  .~ Both members deformed
286  DF  BRIDGED BY DIVERSE CONNECTOR
287  DF  INCLUDING SPACED, DIVERSE CONNECTIONS
288  DF  INCLUDING DISTINCT PACKING
289  DF  SPLIT END WITH LATERALLY MOVABLE OPPOSED PORTIONS
290  DF  .~ With separate force-applying means
291  DF  FLEXIBLE MEMBER IS JOINT COMPONENT
292  DF  MEMBER ENDS JOINED BY INSERTED SECTION
293  DF  .~ Externally bridged
294  DF  .~ Laterally inserted section
295  DF  .~ Angle section
296  DF  .~ Section threaded to member
297  DF  .~ Expansible section
298  DF  .~ Fluted or splined section
299  DF  THREAD ADAPTOR
300  DF  DISTINCT END COUPLER
301  DF  .~ Diverse serial connections
302  DF  .~.~ Axially cleft coupler
303  DF  .~ Single actuator for plural connections
304  DF  .~.~ Axially biased end portions
305  DF  .~ Plural opposed sockets
306  DF  .~ Separate screw or pin-type connections
307  DF  .~ Continuous thread
308  DF  .~ Having separable end caps or plugs
309  DF  .~ Interrupted periphery, e.g., split or segmental, etc.
310  DF  .~.~ Axially divided segments
311  DF  .~.~.~ Interfitting
312  DF  .~.~.~ Bolted
313  DF  .~.~ Split
314  DF  .~ Including member wedging or camming means
315  DF  INCLUDING ANCILLARY MEANS BLOCKING DISCONNECTION OF JOINT
316  DF  .~ Blocker for assembled joint retainer
317  DF  .~.~ Blocker keeper
318  DF  .~.~ Blocked key
319  DF  .~ Blocker is catch or key
320  DF  .~ Cam or thread lock
321  DF  MANUALLY RELEASEABLE LATCH TYPE
322.1  DF  .~ Having operating mechanism
322.2  DF  .~.~ Ball detent
322.3  DF  .~.~ Remotely actuated
322.4  DF  .~.~ Lever
323  DF  .~ Swiveled bolt
324  DF  .~ Transversely sliding pin
325  DF  .~ Spring biased manipulator
326  DF  BIASED CATCH OR LATCH
327  DF  .~ By separate spring
328  DF  .~.~ Radially sliding catch
329  DF  .~ Leaf spring
330  DF  .~ Pivoted
331  DF  SIDE SLIDE: ELONGATED CO-LINEAR MEMBERS
332  DF  ANNULAR RECESS IS JOINT COMPONENT
333  DF  CONVERGENT INTERFACE
334  DF  .~ Tapered
335  DF  INTERCONNECTED FLANGES OR SHOULDERS
336  DF  .~ Separate flange or shoulder
337  DF  .~ Axially bolted or riveted
338  DF  .~ Clamped
339  DF  SCARF
340  DF  .~ Mirror images
341  DF  INTERFITTED MEMBERS WITH EXTERNAL BRIDGING PIECE
342  DF  THIMBLE: SCREW OR CAM
343  DF  SCREW OR CAM
344  DF  AXIALLY SPLIT OR SEPARABLE MEMBER
345  DF  INTERFITTED MEMBERS
346  DF  .~ Crossed rods
347  DF  .~.~ One rod is encompassed by the other
348  DF  .~ Lugged member, rotary engagement
349  DF  .~.~ Bayonet joint
350  DF  .~ Rotary binding cam or wedge
351  DF  .~.~ Radially interposed shim or bushing
352  DF  .~.~.~ Arcuate slip
353  DF  .~ Assembled by plural manipulations of member
354  DF  .~ Diametric end slot is joint component
355  DF  .~ Including separably interposed key
356  DF  .~.~ Axially extending
357  DF  .~.~.~ Resilient
358  DF  .~.~.~ Longitudinally stepped or tapered
359.1  DF  .~ Longitudinally splined or fluted rod
359.2  DF  .~.~ Splayed or having a cam surface for anti-backlash
359.3  DF  .~.~ Rod designed to be manipulable, e.g., twistable, within coupling for quick disconnect
359.4  DF  .~.~ Including a means, e.g., spring biased portion, for misalignment correction
359.5  DF  .~.~ Including a lock or retainer
359.6  DF  .~.~ Specific angle or shape of rib, key, groove, or shoulder
360  DF  .~ Externally shouldered or headed rod
361  DF  .~ Socket
362  DF  .~ Including set screw
363  DF  .~ Interfitted angle or channel bars
364  DF  .~ Interdigitated ends
365  DF  .~ Radially interposed shim or bushing
366  DF  .~.~ Biased by distinct radially acting means
367  DF  .~.~ Wedging or camming
368  DF  .~.~.~ Engaged by axial movement
369  DF  .~.~.~.~ Plural, circumferentially related shims between members
370  DF  .~.~.~.~ Threaded actuator
371  DF  .~.~.~.~ Split or slotted bushing
372  DF  .~.~ Resilient
373  DF  .~ Clamped members
374.1  DF  .~.~ By wedge or cam
374.2  DF  .~.~.~ Having actuator
374.3  DF  .~.~.~.~ Threaded actuator
374.4  DF  .~.~.~.~.~ Axially oriented
374.5  DF  .~.~.~.~ Lever actuator
375  DF  .~ Peripheral enlargement, depression, or slot on one member is joint component
376  DF  .~ Including discrete retainer
377  DF  .~.~ For telescoping members
378  DF  .~.~.~ Transverse pin
379.1  DF  .~.~.~.~ Multiple retainers
379.2  DF  .~.~.~.~ Having means to prevent removal of retainer
379.3  DF  .~.~.~.~ Bolt, rivet, or screw
379.4  DF  .~.~.~.~ Wedge pin
379.5  DF  .~.~.~.~ Sliding pin
379.6  DF  .~.~.~.~ Expansible retainer
380  DF  .~.~ For interfitted side faces
381  DF  .~ Enlarged head in complementary recess, e.g., dovetail, etc.
382  DF  .~ Rigid angle
383  DF  .~ Non-circular rod section is joint component
384  DF  ROD SIDE TO PLATE OR SIDE
385  DF  .~ Connected by double clamp
386  DF  .~ Shackle is integral with or independently attached to proximate side of plate or other side
387  DF  .~ Flanged or grooved rod
388  DF  .~ Traversed by connector
389  DF  .~ Laterally spaced rods
390  DF  .~.~ By separable shim or bushing in connector
391  DF  .~.~ Plural channels in connector
392  DF  .~ Connected by flexible tie
393  DF  .~ Lapped rod ends
394  DF  .~ Diagonal connector
395  DF  .~ One rod held between bight and other rod extending through aperture in leg of connector
396  DF  .~ Two rods encompassed by single connector
397  DF  .~ Resilient clip
398  DF  .~ Yoke or ring-type connector
399  DF  .~.~ Rod received in open channel
400  DF  .~ Crossed rods
401  DF  MITER JOINT
402  DF  .~ Connector bridges inner or outer periphery
403  DF  RIGID ANGLE
404  DF  PARTICULAR CONFIGURATION OR MATERIAL OF MEMBER
408.1  DF  HAVING A JOINING PIECE EXTENDING THROUGH ALIGNED OPENINGS IN PLURAL MEMBERS
409.1  DF  HAVING A CAM, WEDGE, OR TAPERED PORTION
410  DF  MISCELLANEOUS
*********************************
FOREIGN ART COLLECTIONS
*********************************
*  DD  ARTICULATED MEMBERS
*  DD  Lockable at fixed position
FOR 100  DF  .~.~ Telescoping members (403/109)
FOR 101  DF  .~ Having operating mechanism (403/322)
FOR 102  DF  .~.~ By wedge or cam (403/374)
*  DD  INTERFITTED MEMBERS
*  DD  .~ Including discrete retainer
*  DD  .~.~ For telescoping members
*  DD  .~.~.~ Transverse pin
FOR 103  DF  .~.~.~.~ Traversing member (403/379)
******************************
DIGESTS
******************************
DIG 1  DD  Magnetic
DIG 2  DD  Metal treatment
DIG 3  DD  Load-responsive release
DIG 4  DD  Quick release
DIG 5  DD  Carbon electrode
DIG 6  DD  Reciprocable ball detent
DIG 7  DD  Split ring stop or abutment
DIG 8  DD  Radially acting cam or eccentric
DIG 9  DD  Adjustable clamp
DIG 10  DD  Readily disengageable panel joints
DIG 11  DD  Furniture type having a snap fit
DIG 12  DD  Furniture type having a rotatable fastener or fastening element that tightens connection
DIG 13  DD  Furniture type
DIG 14  DD  Resilient cinch, locking-catch or retainer type
DIG 15  DD  Splice plates for co-linear members