The hydraulic cylinder assembly 202 includes a head end 212, a rod end 214, a cylinder 290, and a rod 292.

The tool bit comprises an axial bit shaft including a bore end and a shank end.

The linking arm includes a shaft (54) extending between a piston pin end (52) and a crankshaft pin end (50).

Each suspension cylinder (12, 14) has a head end and a rod end.

Each conductive post is formed to have a post end opposite the base.

The center rod (20) has a first shank end (24) and a second tool end (26).

The hydraulic cylinder assembly (202, 302) includes a cylinder (290, 390), a rod (292, 392), a head end (212, 312) including a head pressure, and a rod end (292, 392) including a rod pressure.

The upper (3) is located on an upper end of the sole (1) and connected with the sole (1).

The food carrier (14) may be coupled to one end of a shank (16).

The rod (210) includes a rod lower end section (210A), a rod upper end section (210B), and a bent section (210C).

A surgical instrument having an elongated shaft having a shaft distal end and a shaft proximal end.

One end of the first rod is hinged with the disk, and another end of the first rod is fixedly connected with one end of the second rod.

A connecting rod having a small end and a large end, the small end including a pin bore defined by a pin bore surface.

The assembly comprises a longitudinal axis, a drill rod entrance end, and a drill rod exit end.

Each of the first contact beam and second contact beam includes a free end and a fixed end.