Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Publication of NL1869CpublicationCriticalpatent/NL1869C/xx
B61G3/00—Couplings comprising mating parts of similar shape or form which can be coupled without the use of any additional element or elements
B61G3/16—Couplings comprising mating parts of similar shape or form which can be coupled without the use of any additional element or elements with coupling heads rigidly connected by rotatable hook plates or discs and balancing links, the coupling members forming a parallelogram, e.g. "Scharfenberg" type
B—PERFORMING OPERATIONS; TRANSPORTING
B24—GRINDING; POLISHING
B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
B24B9/00—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor
B24B9/02—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground
B24B9/06—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain
B24B9/16—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain of diamonds; of jewels or the like; Diamond grinders' dops; Dop holders or tongs
B24B9/167—Machines or devices designed for grinding edges or bevels on work or for removing burrs; Accessories therefor characterised by a special design with respect to properties of materials specific to articles to be ground of non-metallic inorganic material, e.g. stone, ceramics, porcelain of diamonds; of jewels or the like; Diamond grinders' dops; Dop holders or tongs with means for turning and positioning the gem stones
Landscapes
Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
Chemical & Material Sciences
(AREA)
Ceramic Engineering
(AREA)
Inorganic Chemistry
(AREA)
Hooks, Suction Cups, And Attachment By Adhesive Means
(AREA)
Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers
(AREA)