(0)B66C:1/3:
IPC6
SECTION B - PERFORMING OPERATIONS; TRANSPORTING
CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES,...
B66C
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<<   >>   B66C003/00 - B66C009/18  

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/ 00 Load-engaging elements or devices attached to lifting or lowering gear of cranes or adapted for connection therewith and intended primarily for transmitting lifting forces to loose materials; Grabs (buckets or other containers B 65 D, e.g. pallets B 65 D 19/00; dredges equipped with grabs E 02 F)

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/ 02 • Bucket grabs  

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/ 04 • Tine grabs  

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/ 06 • Grabs actuated by a single rope or chain  

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/ 08 • • and having tipping rings  

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/ 10 • • and having buckets opening automatically upon the grab being lowered on to the dump of material  

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/ 12 • Grabs actuated by two or more ropes  

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/ 14 • Grabs opened or closed by driving motors thereon  

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/ 16 • • by fluid motors  

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/ 18 • • by electric motors  

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/ 20 • mounted on, or guided by, jibs (jibs B 66 C 23/64)  

Other common features; Details
 

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/ 00 Base-supporting structures with legs

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/ 02 • Fixed or travelling bridges or gantries, i.e. elongated structures of inverted-L- or of inverted-U-shape  

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/ 04 • • with runways or tracks supported for movements relative to bridge or gantry  

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/ 06 • • with runways or tracks supported for lateral swinging movements  

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/ 08 • • with vertically-inclinable runways or tracks  

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/ 10 • Portals, i.e. essentially circular or square platforms with three or more legs specially adapted for supporting slewing jib cranes  
 

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/ 00 Girders, or track-supporting structures, specially adapted for cranes (base-supporting structures with legs B 66 C 5/00; girders in general E 04 C 3/02)
 

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/ 00 Runways, tracks, or trackways for trolleys or cranes

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/ 02 • for underhung trolleys or cranes  

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/ 04 • • Trackway suspension  

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/ 06 • • • on supports constructed for easy erection, e.g. transportable  

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/ 08 • Constructional features of runway rails or rail mountings (of general application E 01 B)  

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/ 10 • Arrangements or devices for extending runways or tracks  

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/ 12 • Devices for changing direction of travel or for transferring from one runway to another; Crossings; Combinations of tracks of different gauges (transfer devices of general application E 01 B)  

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/ 14 • • Runway interlocking devices  

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/ 16 • Devices specially adapted for limiting trolley or crane travel; Arrangements of buffer-stops (buffer-stops of interest apart from this application B 61 K 7/18; limit-switch arrangements, limit circuits B 66 D 1/56)  
 

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/ 00 Travelling gear incorporated in, or fitted to, trolleys or cranes (for dredgers E 02 F)

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/ 02 • for underhung trolleys or cranes  

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/ 04 • to facilitate negotiation of curves  

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/ 06 • for more than one rail gauge  

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/ 08 • Runners; Runner bearings (wheels for railbound vehicles B 60 B)  

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/ 10 • Undercarriages or bogies, e.g. end carriages, end bogies  

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/ 12 • • with load-distributing means for equalising wheel pressure  

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/ 14 • Trolley or crane travel drives (rope, cable, or chain drives for loads or trolleys B 66 C 11/16; control B 66 C 13/18)  

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/ 16 • with means for maintaining alignment between wheels and track  

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/ 18 • with means for locking trolleys or cranes to runways or tracks to prevent inadvertent movements  
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