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US 2014/0209212 A1Published application
Log rest with rack and pinion system
AssigneeNorwood Industries Inc.
InventorPeter Dale
Life of this patent
Estimating the term…
Abstract
A new log support and clamp system (log rest) for a portable sawmill, having a log rest and a log dog. The log rest features a rack and pinion for adjusting a vertical position of the log rest using an actuation mechanism located on the operator's side of the portable sawmill, which improves the ability of the user to affix the log in place for sawing. Also, a portable sawmill having such a log rest.
Claims20
A log rest assembly having:
- a post
- a post housing, said post being vertically displaceable therein;
- a rack and pinion for raising and lowering the post.
A log support and clamp assembly for use on a portable sawmill, comprising:
- a horizontal support beam having two ends for affixing to a sawmill, said support beam capable of being affixed to said sawmill at both ends;
- a log dog, having a vertical portion generally perpendicular to said horizontal support beam and extending upwards therefrom,
- a log rest assembly having:
- a clamp housing affixed to said support beam and horizontally displaceable thereon;
- a post connected to or housed within said clamp housing, said post configured in a generally vertical direction and said clamp housing having a rack and pinion for raising the post relative to the horizontal support beam.
2 more elements
A kit for retrofitting a log rest assembly to a portable sawmill, said kit comprising:
- a. a log rest housing;
- b. a post connected to or housed within said log rest housing, said post configured in a generally vertical direction and vertically displaceable in relation to said housing;
- c. said log rest housing having a rack and pinion for raising the post relative to a horizontal support beam;
- and
- an actuation mechanism having:
- an actuation ratcheted wheel attached at one end of the sawmill;
- a rotatable shaft extending between the ends of a sawmill for connecting the pinion to the actuation ratcheted wheel;
- a handle attached to the actuation ratcheted wheel for actuating the pinion;
- and
- a pawl for locking the actuation ratcheted wheel.
7 more elements
Dependencies are inferred from the claim text.