US173842A - Improvement in saw-mill dogs - Google Patents

Improvement in saw-mill dogs Download PDF

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US173842A
US173842A US173842DA US173842A US 173842 A US173842 A US 173842A US 173842D A US173842D A US 173842DA US 173842 A US173842 A US 173842A
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saw
improvement
dogs
log
dog
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B25HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25BTOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B1/00Vices
    • B25B1/20Vices for clamping work of special profile, e.g. pipes

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  • WITNESSESI INVENTUB a 'Inv UNITED STATES PATENT OEErcE.
  • My invention consists of a dog for holding the log ou the head-block, mounted on a vertical screw having a quick pitch, so that it can be partly or wholly forced into the log thereby, and can be kept in so as not to Work loose by the jarring and shaking of the mill; and it is specially applicable to the (logging of frozen logsin which the ordinary dogs will not hold at all.
  • Figure l is a section of a log-carriage and log and side elevation of my improved dog contrivance.
  • Fig. 2 is a horizontal section, taken on line w m of Fig. 1.
  • Fig. 3 is a detail of the dog.
  • A represents the head-blocks
  • B the log
  • C the log
  • the screw is mounted in a strong bracket, E, and a bed-piece, F, resting on the carriage or on the head-blocks.
  • E a strong bracket
  • F bed-piece
  • two dogs, a long and short one are contrived in connection with one hub, in which the screw works, the long one being for holding the log until it is worked down too thin, and the short one for the rest 5 but it is immaterial whether one or two be used.
  • the screw is also useful for unfastening the dog, and it also swings it around out of the wayof the saw after raising it out of the log.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Description

L. BUZZELL.
` s1\ .W-M1LLDoce,` ,A No.173,84z. Patented Feb. zz, 187s.
WITNESSESI: INVENTUB a 'Inv UNITED STATES PATENT OEErcE.
LUKE BUZZELL, OF ST. JOHNSBURY, VERMONT.
IMPROVEMENT-IN SAW-MILL DOGS.
Specication forming part of Letters Patent No. 173,842, dated February 22, 1876; application filed November 19, 1875.
To all whom it may concern:
Be it known that I, LUKE BUZZELL, of St. Johnsbury, in the county of Caledonia and State of Vermont, have invented an Improvement in SawMill Dogs, of which the-following is a specification: Y
My invention consists of a dog for holding the log ou the head-block, mounted on a vertical screw having a quick pitch, so that it can be partly or wholly forced into the log thereby, and can be kept in so as not to Work loose by the jarring and shaking of the mill; and it is specially applicable to the (logging of frozen logsin which the ordinary dogs will not hold at all.
Figure l is a section of a log-carriage and log and side elevation of my improved dog contrivance. Fig. 2 is a horizontal section, taken on line w m of Fig. 1. Fig. 3 is a detail of the dog.
Similar letters of reference indicate correspondin g parts.
A represents the head-blocks, B the log, C
the dog, and D 'the screwon which the dog is tted so that it can be pressed into the log,
and be held securely after being pressed in. The screw is mounted in a strong bracket, E, and a bed-piece, F, resting on the carriage or on the head-blocks. In this case two dogs, a long and short one, are contrived in connection with one hub, in which the screw works, the long one being for holding the log until it is worked down too thin, and the short one for the rest 5 but it is immaterial whether one or two be used. The screw is also useful for unfastening the dog, and it also swings it around out of the wayof the saw after raising it out of the log.
Having thus described my invention, I claim as new and desire to secure by Letters Patent- The combination, with the screw D, of the sleeve, having a stud that works in the thread of screw, and two dogs, C C at right angles to each other, and of different length, as an for the purpose specified.
LUKE BUZZELL.
Witnesses:
HENRY C. BATES, HARRY BLODGETT.
US173842D Improvement in saw-mill dogs Expired - Lifetime US173842A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2719552A (en) * 1954-04-14 1955-10-04 Adelard J Parent Sawmill dogs operated by a track above the log carriage

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2719552A (en) * 1954-04-14 1955-10-04 Adelard J Parent Sawmill dogs operated by a track above the log carriage

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