Ammco Tools, Inc.

John W Murphy

Leo C Bogaerts

Leonard A Morrison

Robert S Hampton, Jr

John S Norman

Craig E Mountz

Phillip A Spainhour

A brake lathe for drum and disc rotor brakes for grinding the inside cylindrical surface of a brake drum and machining the opposite parallel surfaces of a disc rotor. The lathe includes rotating spindle output shaft extending along an axis of the lathe housing. The spindle is driven by a motor which translates an endless belt over a V-belt pulley. A pair of cog belts respectively connect an intermediate pulley to the V-belt pulley and a taper lock bushing mounted on the spindle shaft. This arrangement reduces the motor speed to the desired spindle output speed and eliminates the need for an idler shaft. A first cross-feed slide is mounted in a direction transverse to the axis of the brake housing on a first side thereof for advancing the inboard and outboard cutters toward and away from the opposite parallel surfaces of a disc rotor concentrically mounted on the output shaft. A second cross-feed slide is mounted adjacent the axis of the housing and parallel thereto on the opposite side of the housing relative to the first slide and is adjustable from the first side of the housing. The second slide advances its cutter against the inside surface of the brake drum visible from the first side of the housing. Accordingly, an operator need not lean over the axis of the housing when adjusting the depth of cut of the brake drum.

Brake lathe

Lathe

A boring bar assembly having a symmetrical carbide tip holder for turning a brake drum and which can be rotated 180 degrees for facing either or both sides of a rotor of a disc brake. A hexagonal bar provides a housing for receiving a depth of cut mechanism including a dial at one end of the bar. A movable dial rod is connected to the dial mechanism and extends through the housing and engages a tool bit holder at the other end of the bar. A carbide tip is positioned and clamped in one of two undercut pockets on opposite sides of the flat head of the bit holder. The holder includes an angular surface engaging the dial rod so that the holder is moved toward and away from the axis of the housing in response to the dial rod. A spring-loaded tool retractor is provided in a bore of the housing and includes an angular end surface which is yieldably urged against a portion of the angular surface of the holder. When the dial rod is retracted and moved away from the holder, the end surface of the retractor slides along the angular surface of and into the holder which retracts the holder toward the axis of the housing.

Tool bar assembly

A lathe having a cross feed assembly including a universal tool post for simultaneously mounting a boring bar and two face cutters is disclosed. The universal tool post provides for changing cutting tools for different work pieces without detaching unused tools from the tool post. A combination of T-slots, tool holders and clamps provide for positioning the unused tool out of the work area and the desired tool at the work area.

Lathe cross feed assembly

A laterally movable slide plate includes a plurality of sets of circumferentially grooved wheels which are supported on a plurality of mutually parallel rods carried on a base plate. At least one of the rods has a raised intermediate portion under which a hold down pin removably extends to prevent spurious disassembly of the slide plate from the base plate.

Slip plates for lift rack

There is described an instrument and method for adjusting toe relative to the tracking axis of the vehicle by initially measuring the toe angles of the two front or rear wheels relative to the planes of the other two wheels on the same respective sides of the vehicle, and then adjusting the toe angles by one-half the difference between the initially measured angles.

Wheel alignment method and apparatus

This invention relates generally to wheel alignment devices, and specifically to such a device in which accurate toe can be established even if the angular relationship of the device to a reference line, such as the horizontal, changes during the toeing procedure.

Automotive toe-in gauge

A wheel clamp incorporates a pair of leg members each having a pair of spaced apart rim grippers, the leg members being simultaneously adjustable toward and away from a center mount assembly having a mounting surface supported for limited universal movement.

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Waukegan, IL, United States of America

John W Murphy