US3647008A - Collapsible drilling tools and the like - Google Patents

Collapsible drilling tools and the like Download PDF

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Publication number
US3647008A
US3647008A US59952A US3647008DA US3647008A US 3647008 A US3647008 A US 3647008A US 59952 A US59952 A US 59952A US 3647008D A US3647008D A US 3647008DA US 3647008 A US3647008 A US 3647008A
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United States
Prior art keywords
drill
shaft
link
arrangement
vertical line
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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US59952A
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English (en)
Inventor
Karl G Isaksson
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Individual
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Individual
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Publication of US3647008A publication Critical patent/US3647008A/en
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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K97/00—Accessories for angling
    • A01K97/01—Accessories for angling for ice-fishing ; Ice drilling, hook-setting or signalling devices

Definitions

  • An arrangement for a collapsible drilling tool or the like comprising a brace portion having a handle portion and a drill I shaft which, through a link or the like, is connected with a drill holder shaft carrying a drill means or tool.
  • distribution of the weight thereof is such that, when suspending the arrangement by the handle portion, the drill holder shaft lies to one side of a vertical line extending through the handle portion, and the angle between the pivoting plane of the drill holder shaft through the link in relation to the drill shaft and the vertical line is less than 90.
  • the improvement according to the invention is characterized in that the weight distribution of the drill in a collapsed condition is such that, when suspending the arrangement by the handle portion, the drill holder shaft lies to one side of the vertical line, and that the angle y between the pivoting plane of the drill holder shaft through the link in relation to the drill shaft and the vertical line is less than 90.
  • FIG. 1 illustrates by way of an example an ice drill in accordance to the present invention seen from the side and collapsed to a carrying position
  • FIG. 2 shows the drill seen from the end of the drill axis
  • FIG. 3 illustrates a plan view of the embodiment of FIG. 1.
  • the ice drill illustrated in the drawings comprises a brace portion 1 provided in a conventional manner with a crank handle 2 and a knob 3.
  • the brace portion 1 is made integral with a drill shaft 4 which is provided at the free end thereof with a link 5 which pivotally connects the bore shaft 4 with a drill holder shaft 6 which carries the actual drilling means, indicated generally by the reference numeral 7.
  • the link is connected through a pin 8 with the bore shaft 4 and through a pin 9 with the drill holder shaft 6.
  • the pin 8 is secured to the drill shaft 4 in a manner whereby the pivoting plane 10 of the link forms an acute angle a with the crank journal plane 11 of the brace portion 1.
  • the pin 9 is secured parallel with the pin 8 in the link 5, so that the pivoting plane of the drill holder shaft 6 coincides with the pivoting plane 10 of the link 5 relative to the drill shaft 4 and the brace portion 1.
  • the distribution of weight throughout the drill when carried by the crank handle 2 is such that the two shafts 4 and 6 lie on either side of a vertical line 12 passing through the crank handle.
  • the pivotal plane 10 of the link 5 and the drill holder shaft 6 will form an angle y less than 90 with the vertical line 12. This causes the drill holder shaft 6 with the drill means 7 to be forced by gravity into abutment with the knob 3 and thus be maintained in the collapsed position when carried without the assistance of latching hooks or locking means.
  • the collapsed position is maintained even when the drill is carried relatively harshly. Only when the drill holder shaft 6 with the drill means 7 is swung out as shown with the dotted lines 6', 7' in FIG. 3 is the weight distribution such that the pin 9 in the link 5 will be positioned on the same side of the vertical line 12 as the pin 8, the angle 7 of the pivoting plane 10 to the vertical line 12 being greater than whereby the drill holder shaft 6 is itself swung outwardly by the force gravity. The brace portion 1 will then take a position 1', as shown in FIG. 3, since the angle [3 has been increased.
  • the proposed embodiment is, as will be understood, particularly simple to manipulate and is practicably constructed with respect to conditions encountered during winter fishing.
  • the illustrated embodiment can, of course, be modified within the sco e of the invention, particularly with re ard to the design of e link connection between the drill sh t4 and the drill holder shaft 6.
  • the essential feature is that the distribution of weight when the drill is collapsed or substantially collapsed is such that the drill holder shaft 6 lies to one side of the vertical line 12 from the crank handle 2 and that the pivoting plane 10 of the drill holder shaft 6 forms an angle 7 with the vertical line 12 which is less than 90.
  • the invention is naturally not restricted to ice drills, but may also be applied to other types of drills and to reamers, chisels and torque wrenches. It may also be used in connection with crane maneuvering tools for maneuvering, for example, water posts or the like placed in the ground.
  • An arrangement in collapsible drilling tools and the like comprising a brace portion having a handle portion and a drill shaft which, through a link or the like, is connected with a drill holder shaft carrying a drill means or tool, characterized in that when the arrangement is collapsed, distribution of the weight thereof is such that, when suspending the arrangement by the handle portion, the drill holder shaft lies to one side of a vertical line extending through the handle portion, and that the angle 7 between the pivoting plane of the drill holder shaft through the link in relation to the drill shaft and the vertical line is less than 90.

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  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Marine Sciences & Fisheries (AREA)
  • Animal Husbandry (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Surgical Instruments (AREA)
US59952A 1969-08-26 1970-07-31 Collapsible drilling tools and the like Expired - Lifetime US3647008A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE11810/69A SE321251B (enExample) 1969-08-26 1969-08-26

Publications (1)

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US3647008A true US3647008A (en) 1972-03-07

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ID=20294663

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Application Number Title Priority Date Filing Date
US59952A Expired - Lifetime US3647008A (en) 1969-08-26 1970-07-31 Collapsible drilling tools and the like

Country Status (3)

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US (1) US3647008A (enExample)
NO (1) NO123963B (enExample)
SE (1) SE321251B (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3929196A (en) * 1974-04-26 1975-12-30 Uuno Rantanen Ice auger
US6076617A (en) * 1996-07-12 2000-06-20 Berner; John M. Auger apparatus
US6502649B1 (en) * 2000-10-16 2003-01-07 Strikemaster Corporation Ice auger cutting head

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2694552A (en) * 1950-09-09 1954-11-16 Alexander H Vadnais Ice-cutting tool
US3129775A (en) * 1962-02-09 1964-04-21 Richard D Connelly Ice auger
US3168923A (en) * 1962-05-18 1965-02-09 Moraindustri Ab Device in ice drills
FI35746A (fi) * 1964-04-23 1966-03-10 Arjon Ab Isborr för vinterfiske

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2694552A (en) * 1950-09-09 1954-11-16 Alexander H Vadnais Ice-cutting tool
US3129775A (en) * 1962-02-09 1964-04-21 Richard D Connelly Ice auger
US3168923A (en) * 1962-05-18 1965-02-09 Moraindustri Ab Device in ice drills
FI35746A (fi) * 1964-04-23 1966-03-10 Arjon Ab Isborr för vinterfiske

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3929196A (en) * 1974-04-26 1975-12-30 Uuno Rantanen Ice auger
US6076617A (en) * 1996-07-12 2000-06-20 Berner; John M. Auger apparatus
US6502649B1 (en) * 2000-10-16 2003-01-07 Strikemaster Corporation Ice auger cutting head

Also Published As

Publication number Publication date
SE321251B (enExample) 1970-03-02
NO123963B (enExample) 1972-02-07

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