Spring-making machine

Details Spring-making machine Spring-making machine

1996-09-09

1998-08-11

Larson, Lowell A.

Metal deforming

By deflecting successively-presented portions of work during...

To form helical coil or tube

72138, 72140, B21F 3502

Patent

active

057911843

ABSTRACT:
A spring-making machine including a spring wire feeding device having a frame, a driving disk rotatably mounted on the frame, a first sleeve fixedly arranged on one side of the frame and having a plurality of fixing holes, a second sleeve inserted into the first sleeve and fixedly mounted on the driving disk, and an elongated core having a sectorial portion with an angle less than 180 degrees at an end thereof and a opening at another end, the core having an axial hole and a radial outlet, a guide rod having an axial hole adapted to receive a spring wire and having an end inserted into the axial hole of the core, and a clamp having a recess in which is fitted another end of the guide rod and a bolt extending through the clamping means to engage with the guide rod.

REFERENCES:
patent: 4656860 (1987-04-01), Orthuber et al.
patent: 4665731 (1987-05-01), Yagi et al.
patent: 4825678 (1989-05-01), Post
patent: 4947670 (1990-08-01), Wu
patent: 5452598 (1995-09-01), Cheng

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