Chapter CXII: Section 28: Chucks, Grips and Holders

(_See also p. 68._)

=2083. Sockets for various tools, &c.= Sections: these are made either with parallel or taper holes. With parallel holes a set screw or key is used to secure the tool in the socket. See Sec. 37.

=2084. Screw chuck= for wood turning.

=2085. Fork chuck= for wood turning.

=2086. Screwed cup chuck= for wood turning.

=2087. Cup chuck,= with taper feathers, for wood.

=2088. Adjustable tap wrench.=

=2089. Elevating tool box.=

=2090. Tool head= for milling or surfacing.

=2091. Three-jaw guide= or chuck. The three sliding jaws are usually set up by screws.

=2092. Two-jaw chuck.= The jaws are travelled simultaneously opposite ways by a right and left-hand screw.

=2093. Drill socket,= with diagonal pin to grip the drill shank when screwed up.

=2094. Instantaneous grip= for vice, &c. The worm ~A~ is eccentric, and lifts or lowers the toothed abutment block ~B~ into or out of gear with the fixed rack by a single movement of the handle ~C~. When out of gear ~A B C~, with the shaft and front jaw, can be slid in or out freely to any size of opening required.

=2095. Clip for a rod= or cord.

=2096. Split sleeve and nut= to grip a rod or shaft.

=2097. Screw cramp.=

=2098. Screw cramp.= Another form.

=2099. Capstan drill= or cutter head, for lathe or boring machine. The head revolves diagonally, and may have sockets for several tools to follow each other in succession in operating on a piece of work.

=2100. Adjustable tool box.=

=2101. Spanner,= with adjustable jaw.

=2102. Spring taper socket,= with sliding ring.

=2103. Toothed ~V~ grip= for chucks, &c.

=2104. Toothed ~V~ grip.= Another form, with alternate vees.

=2105. Simplest form of ~V~ grip= for parallel cylindrical articles.

=2106. Three-jaw face chuck.= The jaws are made to act together or separately by a spiral plate, or by screws. See Nos. 158, 1384.

=2107. Split tool holder= (Barber’s patent), with taper thread and nut to grip a round (or other) section tool.

=2108. Cap and socket= for drills.

=2109. Socket and set screw= for drills.

=2110. Split tool bar,= with transverse cutter (see No. 2043), fitted with sunk screw, having a recessed head for a special spanner.

=2111. Stepped jaw= for lathe face chucks traversed by a screw. See No. 409.

=2112. Spring grip for pencils,= small drills, pins, &c.

=2113. Bauer’s patent spanner,= or pipe wrench. The hinge pin is of the form of No. 2126.

=2114. Chuck= for wheels, having three or more sliding dogs set up by a cone and hand wheel nut.

=2115. Split end grip= for a rod.

=2116. Double vee grip= for pipes, &c., which, having an equal movement to both jaws, remains always central. The large screw must be twice the pitch of the smaller central screw, and one is right hand, the other left hand.

=2117. Hand screws,= with ~V~ grip.