Impact socket wrench tool

Claim 2

An impact socket wrench tool comprising 1. a socket wrench capable of rotary motion about the axis thereof and of reciprocatory sliding motion in the direction of the axis, 2. a hydraulically driven driving motor for rotating the socket wrench, 3. a vibratory impact device mounted between the driving motor and the socket wrench for effectuating the reciprocatory sliding motion during rotation of the wrench, and 4. means for absorbing vibrations of the vibratory impact device arranged between the driving motor and the impact device.

Claim 3

a hydraulically driven driving motor for rotating the socket wrench,

Claim 4

a hydraulically driven driving motor for rotating the socket wrench,

Claim 5

The impact socket wrench tool of claim 1, wherein the vibration absorbing means is a slip clutch.

Claim 6

a pair of impact socket wrench tools mounted on the frame for simultaneous engagement with a respective pair of the bolts, each tool comprising a. a socket wrench capable of rotary motion about the axis thereof and of reciprocatory sliding motion in the direction of the axis, b. a hydraulically driven driving motor for rotating the socket wrench, c. a vibratory impact device mounted between the driving motor and the socket wrench for effectuating the reciprocatory sliding motion during rotation of the wrench, and d. means for absorbing vibrations of the vibratory impact device arranged between the driving motor and the impact means.

Claim 7

a pair of impact socket wrench tools mounted on the frame for simultaneous engagement with a respective pair of the bolts, each tool comprising a. a socket wrench capable of rotary motion about the axis thereof and of reciprocatory sliding motion in the direction of the axis, b. a hydraulically driven driving motor for rotating the socket wrench, c. a vibratory impact device mounted between the driving motor and the socket wrench for effectuating the reciprocatory sliding motion during rotation of the wrench, and d. means for absorbing vibrations of the vibratory impact device arranged between the driving motor and the impact means.

Claim 8

The impact socket wrench tool of claim 2, wherein the slip clutch is a disk clutch.

Claim 9

a vibratory impact device mounted between the driving motor and the socket wrench for effectuating the reciprocatory sliding motion during rotation of the wrench, and

Claim 10

a vibratory impact device mounted between the driving motor and the socket wrench for effectuating the reciprocatory sliding motion during rotation of the wrench, and

Claim 11

means for absorbing vibrations of the vibratory impact device arranged between the driving motor and the impact device.

Claim 12

means for absorbing vibrations of the vibratory impact device arranged between the driving motor and the impact device.

Claim 13

The impact socket wrench tool of claim 1, further comprising a compression spring means mounted between the wrench and the impact device to couple the wrench resiliently to the impact device and driving motor.

Claim 14

The impact socket wrench tool of claim 4, wherein the impact device comprises two cooperating parts, one of the impact device parts being coupled to the wrench and the other impact device part being coupled to the driving motor.

Claim 15

The impact socket wrench tool of claim 4, further comprising a jaw clutch between the impact device and the vibration absorbing means.

Claim 16

A mobile machine for simultaneously fastening a pair of rail fastening bolts arranged on respective sides of a track rail, comprising

Claim 17

A mobile machine for simultaneously fastening a pair of rail fastening bolts arranged on respective sides of a track rail, comprising

Claim 18

The mobile machine of claim 7, comprising a plurality of said pairs of socket wrench tools mounted on the frame spaced from each other in the direction of the track and for relative movement in respect of each other and the frame.

Claim 19

The mobile machine of claim 7, further comprising a registering boss associated with said pair of socket wrench tools and cooperating with a part of the rail fastening means.

Claim 20

The mobile machine of claim 7 further comprising means for adjusting the driving motor torque.

Claim 21

The mobile machine of claim 7, wherein the frame is a wheelbarrow-like carriage, and further comprising a pump for delivering hydraulic fluid to the driving motors and motor means driving the pump.

Claim 22

The mobile machine of claim 11, wherein the wheelbarrow-like carriage comprises a running gear, a carrier having two ends mounted on the running gear for vertical and horizontal pivoting movement, the running gear being positioned intermediate the ends of the carrier, handle means at one of the carrier ends, and the pump and motor means being mounted on the other carrier end.