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
GB1818/52A
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.)
FAVTA AG
Original Assignee
FAVTA 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 FAVTA AGfiledCriticalFAVTA AG
Publication of GB714943ApublicationCriticalpatent/GB714943A/en
D05B77/00—Covers, or portable enclosures, for sewing machines
Abstract
714,943. Linkwork. FAVTA AKT.-GES. Jan. 23, 1952 [Jan. 29, 195f; Jan. 9, 1952], No. 1818/52. Class 80(3) [Also in Group VII] The lower shaft 19 of a sewing-machine is driven at a cyclically varying speed from the uniformly rotating upper shaft 12 by a crank 13 on the latter, and connecting-rod 14 sliding in a pivoted guide 16, and a slotted crank 17 with which the lower end of the connecting-rod has sliding engagement.