US Patent Class 294
HANDLING: HAND AND HOIST-LINE IMPLEMENTS



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Current as of: June, 1999
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  DF  CLASS NOTES
1.1  DF  MISCELLANEOUS
1.2  DF  CONTACT LENS APPLICATOR
1.3  DF  SANITARY HANDLER FOR PET DROPPINGS
1.4  DF  .~ Pole mounted
1.5  DF  .~.~ Catcher
2  DF  MISCELLANEOUS COMPOUND IMPLEMENT
3  DF  .~ Plier or tong type
3.5  DF  MORTAR HAWK
3.6  DF  ZIPPER PULLING TOOL
4  DF  BARREL-ROLLER TYPE
5  DF  EAR-CORN HOLDERS
5.5  DF  ROD-TYPE SUPPORTS AND HANGERS
6  DF  PLATE TURNERS
7  DF  PANCAKE TURNER TYPE
8  DF  .~ Special turning element
8.5  DF  CLOTHES TONGS
8.6  DF  CARPET STRETCHER
132  DF  WIRE ENGAGING AND CLAMPING MEANS FOR USE WITH CABLE TYPE WIRE TENSIONING APPARATUS
133  DF  .~ Wire engaging portion of means includes rotatable, generally circular disk or cylinder
134  DF  .~ Including threaded tightener
135  DF  .~ Including pivotally attached and hand engaged lever
136  DF  .~.~ Having curved, camming portrusion formed on lever
9  DF  STOVE IMPLEMENTS
10  DF  .~ Combined
11  DF  .~ Fire tong
12  DF  .~ Lid lifter
13  DF  .~.~ Pivoted jaw
14  DF  .~ Poker
15  DF  HAND BARS AND HAND BARROWS
16  DF  .~ Opposing jaws
17  DF  .~ Cant hook type
18  DF  .~ Railway coupling tools
19.1  DF  POLE MOUNTED IMPLEMENT
19.2  DF  .~ Ball Retriever
19.3  DF  .~ Grappling Gaff
22  DF  .~ Store goods
23  DF  .~.~ Compound tool
23.5  DF  .~ Laundry sticks
24  DF  .~ Compound tool
25  DF  HAND AND FINGER ATTACHMENTS
26  DF  HAND-HOOK TYPE
26.5  DF  DISCHARGING HAND RECEPTACLES, TRAYS OR CAGES
27.1  DF  DETACHABLE PLATE AND RECEPTACLE LIFTER
28  DF  .~ Pivoted graspers
29  DF  .~.~ Rim- and bottom-engaging
30  DF  .~.~ Axially extending handle
31.1  DF  .~.~ Rim gripping jaws
31.2  DF  .~ Band type
32  DF  .~ Bottom-engaging
33  DF  .~ Resilient
34  DF  .~ Sliding graspers
49  DF  HAND FORKS AND SHOVELS
50  DF  .~ Fork-tine shovel clearers
50.5  DF  .~.~ With grappling-type forks or shovels
50.6  DF  .~ Grappling type
50.7  DF  .~.~ Annularly arranged
50.8  DF  .~.~ With movable cooperating load-engaging member
50.9  DF  .~.~.~ Fixed and movable members
51  DF  .~ Convertible and combined
52  DF  .~.~ Fork and rake
53.5  DF  .~ Pivoted and adjustable head
54.5  DF  .~ Snow shovel
55  DF  .~ Scoop
55.5  DF  .~ Fork
56  DF  .~ Edge guards
57  DF  .~ Handles
58  DF  .~.~ Auxiliary
59  DF  .~ Attachments
60  DF  .~.~ Foot pieces
61  DF  SPEARS
62  DF  BRICK CARRIERS
63.1  DF  .~ Hoist-line frame
63.2  DF  .~.~ Expanding grapple, fluid pressure inflatable
64.1  DF  VACUUM
64.2  DF  .~ Venturi effect
64.3  DF  .~ By positive fluid stream directed against article
65  DF  .~ Frames
65.5  DF  MAGNET
66.1  DF  UNDERWATER IMPLEMENT
66.2  DF  .~ With locating means
81.1  DF  SPACING HOIST BAR OR FRAME
81.2  DF  .~ Adjustable to accommodate different size loads
81.21  DF  .~.~ Telescopic
81.3  DF  .~ With center of gravity adjustment
81.4  DF  .~ With orienting means
81.41  DF  .~.~ Load engaging guide
81.5  DF  .~ Load supporting units
81.51  DF  .~.~ Pivotal about horizontal axis
81.52  DF  .~.~ Rotatable about vertical axis
81.53  DF  .~.~.~ Twist lock
81.54  DF  .~.~ Horizontally slideable
81.55  DF  .~.~ Underlying load spanning support and sling
81.56  DF  .~.~ Hook
81.6  DF  .~ Load gripping units
81.61  DF  .~.~ Pivoted gripping element
81.62  DF  .~.~ Slideable gripping element
68.1  DF  HOISTABLE RECEPTACLE
68.2  DF  .~ With discharge or loading means
68.21  DF  .~.~ Bottom or side discharge or loading
68.22  DF  .~.~.~ Bucket or bailer type
68.23  DF  .~.~.~.~ Twin bucket sectors (e.g., clamshell bucket)
68.24  DF  .~.~.~.~ Twin doors
68.25  DF  .~.~.~.~ Vertically sliding closure
68.26  DF  .~.~ Tilting discharge or loading
68.27  DF  .~.~.~ With trunnions
68.3  DF  .~ Separable auxilliary hoisting means (e.g., sling, spreader frame)
67.1  DF  HOISTLINE ATTACHED LOAD SUPPORTING FRAME
67.2  DF  .~ L-frame
67.21  DF  .~.~ With center of gravity adjustment
67.22  DF  .~.~ With load retainer
67.3  DF  .~ Load capturing supports
67.31  DF  .~.~ Pivotable about horizontal axis
67.32  DF  .~.~ Rotatable about vertical axis
67.33  DF  .~.~ Horizontally slideable
67.4  DF  .~ Underlying load spanning support and sling
67.41  DF  .~.~ With load retainer
67.5  DF  .~ Load leveling or shifting
74  DF  HOIST-LINE SLINGS
75  DF  .~ Latch release
76  DF  .~.~ Bottom
77  DF  .~ Net
82.1  DF  HOISTLINE OR GRAB HOOK
82.11  DF  .~ Cable and hook tackle
82.12  DF  .~.~ With center of gravity adjustment
82.13  DF  .~.~ Opposed load grasping hooks
82.14  DF  .~.~ Choker type
82.15  DF  .~ Driven positioning mean
82.16  DF  .~ Resilient suspension means (e.g., spring or fluid)
82.17  DF  .~ Locking device (i.e., hook throat closure)
82.18  DF  .~.~ Overlapping loop forming hooks
82.19  DF  .~.~ Locking arm swings in plane of hook
82.2  DF  .~.~.~ With pivoted latch
82.21  DF  .~.~.~ With sliding latch
82.22  DF  .~.~ Swivel locking arm
82.23  DF  .~.~ Slidable locking arm
82.24  DF  .~ Load releasing means
82.25  DF  .~.~ Parachute release means
82.26  DF  .~.~ Store ejector (e.g., aircraft carried)
82.27  DF  .~.~ Boat detaching
82.28  DF  .~.~ Plurality of balls
82.29  DF  .~.~ Explosive release
82.3  DF  .~.~ Motor operated
82.31  DF  .~.~ Pivoted load support
82.32  DF  .~.~.~ Plurality of similar coacting supports
82.33  DF  .~.~.~ With pivoted latch
82.34  DF  .~.~.~ With sliding latch
82.35  DF  .~.~ Sliding load support
82.36  DF  .~.~ Load ejecting
85  DF  OVERHEAD BEAM HOOKS AND GRAPPLES
86.4  DF  GRAPPLE
86.41  DF  .~ Load shifting
86.42  DF  .~ Interwoven contractable gripper (e.g., chinese fingers)
86.1  DF  .~ Well type
86.11  DF  .~.~ Basket-forming
86.12  DF  .~.~ Combined insertable and surrounding grappling means
86.13  DF  .~.~ With separate lateral positioning means
86.14  DF  .~.~ With separate grapple-setting operator
86.15  DF  .~.~.~ Fluid pressure operator
86.16  DF  .~.~ With laterally movable grapple support
86.17  DF  .~.~ With releasing means
86.18  DF  .~.~.~ Excessive force-responsive
86.19  DF  .~.~.~ Spring release means
86.2  DF  .~.~.~ Grappling means latched in release position
86.21  DF  .~.~.~.~ Lateral pocket and lug
86.22  DF  .~.~.~ Screw-threaded
86.23  DF  .~.~ With impact means
86.24  DF  .~.~ Expanding grapple means
86.25  DF  .~.~.~ Cammed grappling means
86.26  DF  .~.~ Contracting grappling means (e.g., overshot)
86.27  DF  .~.~.~ Inwardly biased grappling means with trip
86.28  DF  .~.~.~ Outwardly biased grappling means
86.29  DF  .~.~.~ Pivoted grappling means
86.3  DF  .~.~.~ Cammed grappling means
86.31  DF  .~.~.~.~ Inwardly biased grappling means
86.32  DF  .~.~.~ Resilient grappling means
86.33  DF  .~.~.~ Shoulder-engaging
86.34  DF  .~.~ Including washover or cutover means
87.1  DF  .~ Multiple grapples for multiple objects
87.11  DF  .~.~ Confection stick handling (e.g., popsicle stick)
87.12  DF  .~.~ Egg handler
87.2  DF  .~.~ Groove- or shoulder-engaging type
87.22  DF  .~.~.~ Pivoted jaws
87.24  DF  .~.~.~.~ Link- or lever-operated
87.26  DF  .~.~.~ Slidable jaws
87.28  DF  .~.~.~ Rigid type
88  DF  .~ Magnet- or piston-controlled
89  DF  .~ Lewises
90  DF  .~ Collar-engaging
91  DF  .~.~ Rigid yoke
92  DF  .~ Rigid gripper
93  DF  .~ Expanding
94  DF  .~.~ Cam-spread jaws
95  DF  .~.~.~ Pivoted
96  DF  .~.~.~ Slip wedge
97  DF  .~.~ Pivoted
98  DF  .~.~.~ Hayfork type
98.1  DF  .~.~ Inflatable
99.1  DF  .~ Resilient jaws
99.2  DF  .~.~ Hand-held (e.g., tweezer, tongs)
100  DF  .~.~ Separate sliding operator
101  DF  .~ Pivoted cam and hook
102.1  DF  .~ Socket and slip wedge
102.2  DF  .~.~ Well pipe elevator
103.1  DF  .~ Fixed and moveable jaw
103.2  DF  .~.~ Coil gripper
104  DF  .~.~ Pivoted jaw
105  DF  .~.~.~ Hayfork type
106  DF  .~ Pivoted jaws
107  DF  .~.~ Hayfork type
108  DF  .~.~.~ With auxiliary retainer
109  DF  .~.~.~ Latched
110.1  DF  .~.~ Automatic
110.2  DF  .~.~.~ Cam and follower
111  DF  .~.~ Separate cable operator
112  DF  .~.~.~ Suspension
113  DF  .~.~ Surrounding frame
114  DF  .~.~.~ Opposing load-engaging cams
115  DF  .~.~ Separate sliding operator
116  DF  .~.~ Cam-operated
117  DF  .~.~ Auxiliary operating handle
118  DF  .~.~ Crossed levers
119  DF  .~.~.~ Tandem tongs
119.1  DF  .~ Slideable jaws
119.2  DF  .~ Band type
119.3  DF  .~ Inflatable
119.4  DF  .~ Swing dampener
120  DF  HAYFORK TYPE
121  DF  .~ Corkscrew
122  DF  .~ Single tilting fork
123  DF  .~.~ With auxiliary retainer
124  DF  .~.~ Latch release
125  DF  .~ Combined harpoon and fork
126  DF  .~ Harpoon
127  DF  .~.~ Mechanically spread barbs
128  DF  .~.~.~ Multiple
129  DF  .~.~.~.~ Latch release
130  DF  .~.~.~ Latch release
131  DF  SHIELD DEVICES
137  DF  ARTICLE CARRIER GRIPPED AND CARRIED BY HAND
138  DF  .~ Including means to cover book or sheet
139  DF  .~ Including support for optical instrument (e.g., camera holder)
140  DF  .~ Carrier for person
141  DF  .~ Convertible to, or useable as, different device or different type carrier
142  DF  .~.~ Having means for supporting or mounting carrier
143  DF  .~.~.~ Having plural receivers or supports for plural articles (e.g., rack)
144  DF  .~.~.~ Tray
145  DF  .~ Configured for complimentary projections on package or article
146  DF  .~ Having plural diverse receivers or supports for diverse articles
147  DF  .~.~ Including receiver or support for ski
148  DF  .~ Including helical spring or elastic material for engaging or supporting article
149  DF  .~ Having flaccid receiver, support or fastener for article
150  DF  .~.~ Including means to tighten flaccid member about article
151  DF  .~.~ Including rigid, semirigid or reinforced panel
152  DF  .~.~ Having plural handles connected by flaccid receiver or support (e.g., sling)
153  DF  .~.~ And rigid handle or bar
154  DF  .~.~.~ Plural discrete flaccid supporting members suspended from handle or bar at spaced points
155  DF  .~.~.~.~ And connected by cross-strap or brace (e.g., harness)
156  DF  .~.~.~ Single web or strap (e.g., sling)
157  DF  .~.~ Having parallel flaccid members forming article support
158  DF  .~ Carrier component positioned in aperture in article
159  DF  .~ Having plural discrete receivers or supports for spaced articles
160  DF  .~.~ Separable supports
161  DF  .~.~ Vertical array
162  DF  .~.~ Having movably mounted or separable means to retain articles
163  DF  .~.~.~ Common to plural receivers or supports
164  DF  .~ Article gripping or retaining means actuated by lifting carrier
165  DF  .~ Including means to release article or to fasten carrier to or around article
166  DF  .~.~ Resiliently biased
167  DF  .~ Support or receiver movably, removably, or adjustably mounted to handle or handle portion (e.g., collapsible)
168  DF  .~.~ Having slidable sections
169  DF  .~.~ Having pivoted sections
170  DF  .~ Including handle having article or cord engaging means depending at each end
171  DF  .~ Having cord or bail accommodating groove or passage along length of handle
172  DF  .~ Tray
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CROSS-REFERENCE ART COLLECTIONS
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901  DF  PLATE LIFTING CLAMP
902  DF  GRIPPING ELEMENT
903  DF  BATTERY CARRIER
904  DF  VEHICLE CARRIER
905  DF  WIRELESS REMOTE CONTROL DEVICE
906  DF  ATOMIC FUEL HANDLER
907  DF  SENSOR CONTROLLED DEVICE