head-bolt

plural head-bolts

1. alternativeAlternative form of headbolt.

   The eyes B B are cast solid to the flanged head-bolt D, thereby avoiding the danger of the eyes working apart, as is often the case when the eyes are made in separate parts.

   1876, Specifications and Drawings of Patents Issued from the U.S. Patent Office, page 443

   2 more examples

   The gutters should be cut two or three lines longer than the page; the head-bolts wider; the back furniture may run down to the rim of the chase, but must be level with the top of the page, which will admit of the inner head-bolt running in ; the difference of the outer head-bolt may go over the side-stick, and the gutter will then run up between them.

   1824, John Johnson, Typographia, Or the Printers' Instructor, page 197

   Screw the head-bolt which compresses the spring up for diminishing or down for increasing the pressure, until the valve opens at the pressure desired, as indicated by the steam gauge; secure the head-bolt in this position by means of the lock-nut; for regulating the loss of escaping steam, turn the screw ring G up for increasing or down for decreasing it.

   2012, Charles McShane, Classic American Locomotives, →ISBN