Legal status (The legal status 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 status listed.)
Expired
Application number
GB14396/23A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gebr Junghans AG
Original Assignee
Gebr Junghans AG
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.)
Filing date
Publication date
Application filed by Gebr Junghans AGfiledCriticalGebr Junghans AG
Publication of GB198682ApublicationCriticalpatent/GB198682A/en
G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
G04B13/00—Gearwork
G04B13/02—Wheels; Pinions; Spindles; Pivots
Landscapes
Physics & Mathematics
(AREA)
General Physics & Mathematics
(AREA)
Mechanical Operated Clutches
(AREA)
Molds, Cores, And Manufacturing Methods Thereof
(AREA)
Abstract
198,682. Junghans Akt.-Ges., Geb. June 1, 1922, [Convention date]. Moulds. - Pin-wheel bodies for clockwork &c. are made by casting under pressure. The body may be cast about an arbor m and gear wheel q. The mould comprises relatively movable parts a, b of which b is recessed at r to form the gate and has a hole o through which the arbor is introduced and held by a rod s. The mould part a may be recessed to hold the gear q and carries a pair of slides c, d, to form the waist e, an ejector l, which may be recessed at n to hold the arbor, and a set of core rods k.