US13554A - Method oe operating reciprocating saws - Google Patents

Method oe operating reciprocating saws Download PDF

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Publication number
US13554A
US13554A US13554DA US13554A US 13554 A US13554 A US 13554A US 13554D A US13554D A US 13554DA US 13554 A US13554 A US 13554A
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United States
Prior art keywords
saw
pitman
sash
reciprocating saws
saws
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Expired - Lifetime
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
    • B27B3/00—Gang saw mills; Other sawing machines with reciprocating saw blades, specially designed for length sawing of trunks
    • B27B3/02—Gang saw mills; Other sawing machines with reciprocating saw blades, specially designed for length sawing of trunks with vertically-reciprocating saw frame
    • B27B3/12—Mechanisms for producing the reciprocating movement of the saw frame; Arrangements for damping vibration; Arrangements for counter-balancing
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00—Cutting
    • Y10T83/687—By tool reciprocable along elongated edge
    • Y10T83/7015—Having uniplanar compound motion
    • Y10T83/703—Tool rocks cutting reciprocations
    • Y10T83/7035—One tool reciprocates along fixed guide element

Definitions

  • FIG. 1 is a front view of a saw sash, and pitman showing my improvement.
  • Fig. is a transverse vertical section ot' the same Fig. 1, showing the plane of section.
  • the nature of my invention consists in attaching the lower end of the saw directly to theupper end of the pitman, the tug pin ct the saw forming the joint or pin on which the pitman works.
  • A represents the saw sash and B, represents the saw, the upper end ot which is attached by a stirrup C, to the upper rail (a.) of the sash in the usual manner.
  • the lower rail (b) of the sash is connected perma-v nently to the pitman D, a short distance below its upper end, and the ends of the rail (o) are connected to the lower ends of the Stiles (c) (c), of the sash by joints (d) (d).
  • the saw dust has ample room for escape during the upward movement of the saw and the saw is prevented from being choked or clogged, and will run lighter or freer and will bear more feed and consequently work more rapidly than saws hung' in the usual way.
  • My improvement may be applied to saws which are not hung in sashes, and technically termed muley or moilly saws equally as well as to those which are placed in sashes. All thatis required is to have a ulcrum for the pitman equivalent to the joints (cl).

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Door And Window Frames Mounted To Openings (AREA)

Description

UNrrn e@ wooDcooK,
OF CONNERSVILLE,
INDIANA.
METHOD OF OPERATING RECIPROCATING SAWS.
To all whom, t may concern Be it known that I, O. S. VooDcoC/K` of Connersville, in the county of Fayette and State of Indiana, have invented a new and Improved Mode ot Hanging Upright or Reciprocating Saws; and I do hereby declare that the following is a full, clear, and
exact description of the same, reference being had to annexed drawings, making a part oi this specification, in which- Figure 1, is a front view of a saw sash, and pitman showing my improvement. Fig. is a transverse vertical section ot' the same Fig. 1, showing the plane of section.
Similar letters of reference indicate cc-rrespending parts in the two figures.
The nature of my invention consists in attaching the lower end of the saw directly to theupper end of the pitman, the tug pin ct the saw forming the joint or pin on which the pitman works.
A, represents the saw sash and B, represents the saw, the upper end ot which is attached by a stirrup C, to the upper rail (a.) of the sash in the usual manner. The lower rail (b) of the sash is connected perma-v nently to the pitman D, a short distance below its upper end, and the ends of the rail (o) are connected to the lower ends of the Stiles (c) (c), of the sash by joints (d) (d). rlhe lower part of the saw B, is attached by a pin (e) to the upper end ot' the pitman and as the pitman extends a short distance above the rail the pin (c) that connects the saw with a pitman will be a short distance above the joints (d) (d) which connect the lower rail (L) of the sash with the stiles (c) (c). Consequently as the sash A, is moved up and down by the pitman the saw will be thrown in and out from its work. Then the sash descends the pitman will throw the lower end of the saw toward the log, and when the sash ascends the lower end of the saw will be thrown from the log, because the joints (d) (cl) serve as fulcra for the pitman and the `saw it attached to the pitman above the joints (d) (d). By this improvement the saw dust has ample room for escape during the upward movement of the saw and the saw is prevented from being choked or clogged, and will run lighter or freer and will bear more feed and consequently work more rapidly than saws hung' in the usual way.
My improvement may be applied to saws which are not hung in sashes, and technically termed muley or moilly saws equally as well as to those which are placed in sashes. All thatis required is to have a ulcrum for the pitman equivalent to the joints (cl).
Having thus described my invention, what I claim as new and desire to secure by Letters Patent, is,
Attaching the lower end of the saw B, directly to the upper end of the pitman D, by a pin (e) which forms a joint connection, the pitman working on a suitable tulcrum or bearing (CZ), below the pin (e) substantially as shown for the purpose specified.
O. S. VOODCOCK.
Vitnesses 2 IVILLIAM MCCLEARY, MARTIN EICHELBERGER.
US13554D Method oe operating reciprocating saws Expired - Lifetime US13554A (en)

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