US715463A - Awning-locking mechanism. - Google Patents

Awning-locking mechanism. Download PDF

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Publication number
US715463A
US715463A US11716602A US1902117166A US715463A US 715463 A US715463 A US 715463A US 11716602 A US11716602 A US 11716602A US 1902117166 A US1902117166 A US 1902117166A US 715463 A US715463 A US 715463A
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Prior art keywords
awning
detent
boxing
gears
gear
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US11716602A
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Louis A Daus
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q16/00Equipment for precise positioning of tool or work into particular locations not otherwise provided for
    • B23Q16/02Indexing equipment
    • B23Q16/04Indexing equipment having intermediate members, e.g. pawls, for locking the relatively movable parts in the indexed position
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00Machine element or mechanism
    • Y10T74/19Gearing
    • Y10T74/19642Directly cooperating gears
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00Machine element or mechanism
    • Y10T74/21Elements
    • Y10T74/2133Pawls and ratchets
    • Y10T74/2136Pivoted pawls
    • Y10T74/2137Single tooth

Definitions

  • This invention relates to awning-locking mechanism; and the object of the-invention is to provide simple and efficient means of this character which is adapted to iirmly hold an awning in a desired adjusted position without possibility of the detent or locking device breaking or the awning falling duringits operation and which detent can be easily operated to effect the release of the awning for the purpose of raising or lowering the same.
  • the detent which holds the awning is operable independently of the actuating means fora gear constituting part of said awning-locking mechanism.
  • Said awning-operating mechanism preferably includes intermeshing gears, which are usually of the bevel kind and which are fixed to shafts extending into a boxing or casing containing said gear, and although I do not show the same a hand-crank is usually employed to operate such mechanism, it being adapted to be removably connected with the shaft of one of the gears outside the boxing or casing, so that by turning the said hand-crank the awningoperating mechanism can be actuated to raise or lower the awning, and in connection with one of the gears I provide a detent which is adapted to engage between the teeth of said gear, so as to hold the same, and consequently the other parts of the mechanism, against action.
  • intermeshing gears which are usually of the bevel kind and which are fixed to shafts extending into a boxing or casing containing said gear, and although I do not show the same a hand-crank is usually employed to operate such mechanism, it being adapted to be removably connected with the shaft of one of the gears outside
  • This detent is operable to release or lock the awning-locking mechanism by an actuating member or arm which is supported independently of the said hand-crank, as it is found in practice that where the detent is controlled by the hand-crank the same is not thoroughly eiective, for in raising the awning, for example, should the operator let go of the crank the detent, as it is not of suffi-- cient power to effect the detachment of the hand-crank, cannot fall into its Working position, the result being that the awning will drop With a crash. This difficulty is not possible with my improved device, for the reason that the detent, as set forth, operates entirely independently ofthe handcrank.
  • FIG. 1 is a perspective View of the awning-operating mechanism, the boxing for containing the primary gears of which also incloses the locking device.
  • Fig. 2 is a vertical central section of said boxing and inclosed paris.
  • Fig. 3 is a face View of the inner half of said boxing and parts contained therein.
  • Fig. 4. is a similar view of the outer half of the boxing.
  • Fig. 5 is a perspective view of the detent or locking device and its actuating member.
  • a shaft is shown at l, it being connected by universal joints 2 of some suitable kind with the upper and lower bevel-gears 3 and 4, the lower bevelgear being contained Within a box or casing, hereinafter more particularly described, and denoted in a general way by 5.
  • the upper bevel-gear 3 is adapted to mesh with a similar bevel-gear ⁇ 6, secured to one end of a horizontal shaft carrying the usual awning-roller to which the awningis connected. It will be evident, of course, that I donot limit the invent-ion to use in connection with any particular kind of awning.
  • the one shown is of a well-known type to which my improvements are especially well adapted.
  • the universal joints 2 it is not essential that the shaft l should be set in an absolutely vertical position, for it may be set at a slant Without affecting the driving connections between the intermeshing gears andshaft, respectively.
  • the bevel-gear 4 which, it will he remembered, is inclosed by a boxing 5, is adapted to mesh with a similar bevel-gear 7, also inclosed by said boxing, it being understood that the said gears are rotated about vertical orsubstantially Vertical and horizontal axes, respectively.
  • the boxing 5 is in two parts, the back part having projecting ears or lugs 8, adapted to be connected by suitable fastening devices with a building or other structure, and said parts are united by bolts 9 or their equivalents, and the outer or forward section or half of the boxing has along its inner edge ICO projections 10, adapted to fit in correspondingly-shaped seats in the adjacent edge of the inner or rear section of the boxing, so as to center thetwo parts.
  • the shafts of the two bevel-gears in the boxing extend through the front and top thereof, and the horizontal shaft of the bevel-gear 7 is provided outside the boxing with a fixed hub or sleeve 11, having a bore polygonal or square in cross-section'and adapted to receive a correspondinglyshaped pin or projection upon a hand-crank (not shown) forturning the said shaft.
  • the intermeshing bevelgears 7 and 4 will be operated, so as to rotate the shaft 1, and hence operate the upper intermeshing gears 2 and 6 for the purpose of elevating or lowering the awning in accordance with the direction or movement of the hand-crank.
  • Detent 12 is of the pivoted kind, it being supported at a suitable point in its length between the parallel horizontal lugs 13 upon the rear half or section of the boxing inside the latter, the working end of the detent being adapted to engage between two adjacent teeth of the bevel-gear 7.
  • the detent carries at its outer or forward end the depending arm 14, constituting an actuating member for said detent and which is preferably weighted, the weight being of such a mass as to normally hold the working end of the detent in its effective position.
  • said arm By engaging the lower end of the arm or actuating member 14 with the finger said arm can be swung outward to move the detent out of engagement with the coperating bevel-gear 7 to thereby release the actuating mechanism, and the hand-crank having been applied to the shaft of said gear 7 the awning can be readily raised or lowered.
  • said slot being conveniently formed in the front or forward half of said boxing.
  • the said forward half of the boxing has a depending extension 16 arranged forward of the depending actuating-arm 14 and whichconstitutes a guard for said arm. Besides this, it hides the arm from the eyes of maliciously-inclined persons who might be disposed to tamper with the arm, and thereby release the awning.
  • the improved device is very simple and can be readily operated, serves to hold the awning firmly in the adjusted position without the possibility of the detent being broken or the teeth of the gear coperating therewith stripped, and as I do not rely upon the hand-crank for controlling the detent, as previously set forth, there is no possibility of the awning accidentally falling when the operator withdraws his hand from the hand-crank, for the reason that the detent is operable independently of said handcrank.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Building Awnings And Sunshades (AREA)

Description

' No.' 7s5,4es. Patented nec. 9. 1902.
Y L. A. nAus.. l
AWNING LOGKlNG MEGHANISM.
Applicwtion led July 26, 1902.)
QNo Model.)
NITED STATES' f PATENT OFFICE.
LOUIS A. DAUS, OF EVANSVILLE, INDIANA.
AWNING-LOCKING MECHANISIVI.
SEECIFICATION forming part of Letters Patent No. 715,463, dated December 9, 1902.
Application filed July 26, 1902. Serial No. 117.166. (No model.)
To @ZZ whom. t 11n/ay concern:
Be it known that I, LOUIS A. DaUs, a citizen of the United States, residing at Evansville, in the county of Vanderburg and State of Indiana, have invented new and useful Improveniente in Awning-Locking Mechanism, of which the following is a specification.
This invention relates to awning-locking mechanism; and the object of the-invention is to provide simple and efficient means of this character which is adapted to iirmly hold an awning in a desired adjusted position without possibility of the detent or locking device breaking or the awning falling duringits operation and which detent can be easily operated to effect the release of the awning for the purpose of raising or lowering the same. In the present case the detent which holds the awning is operable independently of the actuating means fora gear constituting part of said awning-locking mechanism. Said awning-operating mechanism preferably includes intermeshing gears, which are usually of the bevel kind and which are fixed to shafts extending into a boxing or casing containing said gear, and although I do not show the same a hand-crank is usually employed to operate such mechanism, it being adapted to be removably connected with the shaft of one of the gears outside the boxing or casing, so that by turning the said hand-crank the awningoperating mechanism can be actuated to raise or lower the awning, and in connection with one of the gears I provide a detent which is adapted to engage between the teeth of said gear, so as to hold the same, and consequently the other parts of the mechanism, against action. This detent is operable to release or lock the awning-locking mechanism by an actuating member or arm which is supported independently of the said hand-crank, as it is found in practice that where the detent is controlled by the hand-crank the same is not thoroughly eiective, for in raising the awning, for example, should the operator let go of the crank the detent, as it is not of suffi-- cient power to effect the detachment of the hand-crank, cannot fall into its Working position, the result being that the awning will drop With a crash. This difficulty is not possible with my improved device, for the reason that the detent, as set forth, operates entirely independently ofthe handcrank.
The invention is clearly illustrated in the accompanying drawings,forming a part of this specification, and in Which- Figure 1 is a perspective View of the awning-operating mechanism, the boxing for containing the primary gears of which also incloses the locking device. Fig. 2 is a vertical central section of said boxing and inclosed paris. Fig. 3 is a face View of the inner half of said boxing and parts contained therein. Fig. 4. is a similar view of the outer half of the boxing. Fig. 5 is a perspective view of the detent or locking device and its actuating member.
Referring to the drawings, a shaft is shown at l, it being connected by universal joints 2 of some suitable kind with the upper and lower bevel-gears 3 and 4, the lower bevelgear being contained Within a box or casing, hereinafter more particularly described, and denoted in a general way by 5. The upper bevel-gear 3 is adapted to mesh with a similar bevel-gear `6, secured to one end of a horizontal shaft carrying the usual awning-roller to which the awningis connected. It will be evident, of course, that I donot limit the invent-ion to use in connection with any particular kind of awning. The one shown is of a well-known type to which my improvements are especially well adapted. By virtue of the universal joints 2 it is not essential that the shaft l should be set in an absolutely vertical position, for it may be set at a slant Without affecting the driving connections between the intermeshing gears andshaft, respectively.
The bevel-gear 4, which, it will he remembered, is inclosed by a boxing 5, is adapted to mesh with a similar bevel-gear 7, also inclosed by said boxing, it being understood that the said gears are rotated about vertical orsubstantially Vertical and horizontal axes, respectively.
The boxing 5 is in two parts, the back part having projecting ears or lugs 8, adapted to be connected by suitable fastening devices with a building or other structure, and said parts are united by bolts 9 or their equivalents, and the outer or forward section or half of the boxing has along its inner edge ICO projections 10, adapted to fit in correspondingly-shaped seats in the adjacent edge of the inner or rear section of the boxing, so as to center thetwo parts.
It will be evident that the shafts of the two bevel-gears in the boxing extend through the front and top thereof, and the horizontal shaft of the bevel-gear 7 is provided outside the boxing with a fixed hub or sleeve 11, having a bore polygonal or square in cross-section'and adapted to receive a correspondinglyshaped pin or projection upon a hand-crank (not shown) forturning the said shaft. When said shaft is turned, the intermeshing bevelgears 7 and 4 will be operated, so as to rotate the shaft 1, and hence operate the upper intermeshing gears 2 and 6 for the purpose of elevating or lowering the awning in accordance with the direction or movement of the hand-crank.
In connection with the operating mechanism I provide a detent or locking device, such as 12, which is adapted to engage the bevelgear 7 for the purpose of holding the awning in a desired adjusted position, and this detent can be readily disengaged from the coperating gear, so as to release the same, and consequently the other parts of the awning-operating mechanism. Detent 12 is of the pivoted kind, it being supported at a suitable point in its length between the parallel horizontal lugs 13 upon the rear half or section of the boxing inside the latter, the working end of the detent being adapted to engage between two adjacent teeth of the bevel-gear 7. The detent carries at its outer or forward end the depending arm 14, constituting an actuating member for said detent and which is preferably weighted, the weight being of such a mass as to normally hold the working end of the detent in its effective position. By engaging the lower end of the arm or actuating member 14 with the finger said arm can be swung outward to move the detent out of engagement with the coperating bevel-gear 7 to thereby release the actuating mechanism, and the hand-crank having been applied to the shaft of said gear 7 the awning can be readily raised or lowered. When the awning of the boxing, said slot being conveniently formed in the front or forward half of said boxing. The said forward half of the boxing has a depending extension 16 arranged forward of the depending actuating-arm 14 and whichconstitutes a guard for said arm. Besides this, it hides the arm from the eyes of maliciously-inclined persons who might be disposed to tamper with the arm, and thereby release the awning.
It will be evident that the improved device is very simple and can be readily operated, serves to hold the awning firmly in the adjusted position without the possibility of the detent being broken or the teeth of the gear coperating therewith stripped, and as I do not rely upon the hand-crank for controlling the detent, as previously set forth, there is no possibility of the awning accidentally falling when the operator withdraws his hand from the hand-crank, for the reason that the detent is operable independently of said handcrank.
Having described the invention, what I claim is l. The combination of a pair of intermeshing gears of an awning-operating mechanism, a pivoted detent for engaging one of the gears, and an arm depending from the detent and constituting an actuating member therefor.
2. The combination of a pair of intermeshing gears of an awning-operating mechanism, a boxing for inclosing and supporting said gears, a pivoted detent in the boxing for engaging one of the gears, having a depending actuating member for the detent connected therewith, said boxing being slotted to receive said actuating member.
3. The combination of a pair of intermeshing gears of an awning-operating mechanism, a boxing for containing the gears, a detent for engaging one of the gears, pivoted in said boxing, a depending arm connected with the detent for operating the same, and the boxing being slotted to receive said arm, and an extension upon the forward side of the boxing in front of said arm.
In testimony whereof I have hereunto set my hand in presence of two subscribing witnesses.
LOUIS A. DAUS.
Witnesses:
ALFRED GREENE, J. WILL. GLEICHMAN.
ICO
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010106463A1 (en) 2009-03-17 2010-09-23 Koninklijke Philips Electronics N.V. Methods of driving colour sequential displays

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010106463A1 (en) 2009-03-17 2010-09-23 Koninklijke Philips Electronics N.V. Methods of driving colour sequential displays

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