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
Inventor
Alfred Julius Boult
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.)
Individual
Original Assignee
Individual
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 IndividualfiledCriticalIndividual
Application grantedgrantedCritical
Publication of GB189819319ApublicationCriticalpatent/GB189819319A/en
Milling, Broaching, Filing, Reaming, And Others
(AREA)
Abstract
19,319. Boult, A. J., [Rahire, A.]. Sept. 10. File-cutting machines.-The holder V<1> for the tool F is mounted in the slide V, which has a horizontal reciprocating motion with a quick return. This is imparted by a connecting-rod U and slotted lever R pivoted at S. The lever is rocked by a crank-pin 0 carrying the piece P sliding in the slot Q. The crank-pin is adjustably fixed to the wheel N connected by spur gearing to the main shaft D. The tool-holder V<1> is worked by hand by the counterbalanced bell-crank lever y. The file flank is clamped to its bed a by a screw e.
GB189819319D1898-09-101898-09-10Improvements in File-cutting Machines.
ExpiredGB189819319A
(en)
Improvements in and relating to cam devices for imparting varying feed-increments to tool-holders of machine tools and the like displaceable elements of machines