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
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.)
K & F Merkelbach GmbH
Original Assignee
K & F Merkelbach GmbH
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 K & F Merkelbach GmbHfiledCriticalK & F Merkelbach GmbH
Application grantedgrantedCritical
Publication of GB190707916ApublicationCriticalpatent/GB190707916A/en
7 9 1 6. Heynau, H., and Merkelbach Ges., K. & F. May 14, 1906, [date applied for under Patents Act, 1901]. Tapping.-A disengaging tap holder for use in an ordinary drilling - machine for tapping through holes is constructed of magnetized steel and comprises a socket a in which is splined a bushing b to hold the tap. Adaptors, Fig. 5, are provided to accommodate taps of various sizes. The tap is ejected by a pin d passing through a hole in a plate g in the bushing when the latter, coming in contact with the work, is moved upward against the action of a spring f.
GB190707916D1906-05-141907-04-04Improvements in and relating to Disengaging Tap Holders.
ExpiredGB190707916A
(en)