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A pylon or barrier arrangement which is recessed into the ground or other surface and includes a post-like pylon which is movable between an extended position for control of vehicular or pedestrian traffic, and a retracted position beneath the ground. Movement of the pylon is achieved by a linear-ty

A pylon or barrier arrangement which is recessed into the ground or other surface and includes a post-like pylon which is movable between an extended position for control of vehicular or pedestrian traffic, and a retracted position beneath the ground. Movement of the pylon is achieved by a linear-type drive mechanism which acts as a clutch by decoupling from an upright and rotatable smooth drive shaft during abrupt downward driving of the pylon to avoid damage to the internal components of the arrangement. A sealing arrangement is provided for preventing the entry of debris into the interior of the pylon arrangement, and a heating unit is provided for preventing seizure of the arrangement during harsh weather conditions.

대표청구항 ▼

A pylon or barrier arrangement which is recessed into the ground or other surface and includes a post-like pylon which is movable between an extended position for control of vehicular or pedestrian traffic, and a retracted position beneath the ground. Movement of the pylon is achieved by a linear-ty

A pylon or barrier arrangement which is recessed into the ground or other surface and includes a post-like pylon which is movable between an extended position for control of vehicular or pedestrian traffic, and a retracted position beneath the ground. Movement of the pylon is achieved by a linear-type drive mechanism which acts as a clutch by decoupling from an upright and rotatable smooth drive shaft during abrupt downward driving of the pylon to avoid damage to the internal components of the arrangement. A sealing arrangement is provided for preventing the entry of debris into the interior of the pylon arrangement, and a heating unit is provided for preventing seizure of the arrangement during harsh weather conditions. ce's perimeter is less than 100 centimeters and breadth is less than 5 millimeters. 4. A device for assisting development of an infant's visual acuity and for transferring a mother's scent to an infantile environment, comprising: a) a supple fabric sized for insertion into a brassier worn by said mother for absorbing said mother's scent; b) a black and white arrangement positioned about said supple fabric, wherein said black and white colors are contrasted against each other for assisting development of said infant's visual acuity; and c) an aperture for attaching said device to said infantile environment, after said supple fabric's removal from said brassier, such that said supple fabric vents said mother's scent about said infantile environment. 5. The invention of claim 4 further comprising an adhesive for attaching said device to said infantile environment. 6. The invention of claim 5 wherein said black and white arrangement is patterned. 7. The invention of claim 6 further comprising a neutral backing for said supple fabric. 8. The invention of claim 7 wherein said device's perimeter is less than 100 centimeters and breadth is less than 5 millimeters. 9. A device for assisting development of an infant's visual acuity and for transferring a postpartum mother's scent to an infantile environment, comprising: a) a supple fabric sized for insertion into a brassier worn by said postpartum mother for absorbing said postpartum mother's; b) a patterned black and white arrangement positioned about a first side of said supple fabric, wherein said black and white colors are contrasted against each other for assisting development of an infant's visual acuity; c) a neutral second side of said supple fabric; and d) an adhesive for attaching said device to said infantile environment, after said supple fabric's removal from said brassier, such that said supple fabric vents said postpartum mother's scent about said infantile environment. 10. The invention of claim 9 wherein said device's perimeter is less than 100 centimeters and breadth is less than 5 millimeters. 11. The invention of clam 10 wherein said patterned black and white arrangement is geometric. 12. The invention of claim 11 further comprising a marking instrument for making a freehand impression on said neutral second side of said supple fabric. 13. The invention of claim 12 further comprising a container for containing said device, said adhesive and said marking instrument prior to utilization of said device. 14. The invention of claim 13 wherein said freehand impression is marked in a color other than black or white. 15. A method for assisting development of infant's visual acuity and for transferring a scent of a mother to an infantile environment, comprising the steps of: a) arranging a black and white pattern about a supple fabric; b) contrasting said black and white colors against each other; c) sizing said supple fabric for insertion into a cup of said mother's brassier; d) inserting said supple fabric into a cup of said mother's brassier; e) wearing said supple fabric in said cup of said mother's brassier; f) removing said supple fabric from said cup of said mother's brassier; g) transferring said supple fabric to said infantile environment; and h) attaching said supple fabric to said infantile environment. 16. The method of claim 15 wherein said step of arranging a black and white pattern about a supple fabric is a geometric arranging. 17. The invention of claim 16 wherein said step of wearing said supple fabric in said cup of said mother's brassier is for at least four hours. 18. The invention of claim 17 further comprising the step of venting said infantile environment with said scent of said mother for at least 12 hours. f Intraocular Lens Power Calculations, Arch Ophthalmol, Apr. 1986, 539-541, vol 104, U.S.A.* S. Karger et al, A Comparative Study of Eight Intraocular Lens Calculation Formulas, Ophthalmologica, 1991, 148-153, vol 203, U.S.A. Kenneth J. Hoffer, M.D., The Hoffer Q formula: A Comparison of Theoretic and Regression Formulas, J Cataract Refract Surg, Nov. 1993, 700-712, vol 19, U.S.A. Thomas Olsen, M.D. et al, Theoretical Versus SRK I and SRK II Calculation of Intraocular Lens Power, J Cataract Refract Surg, Mar. 1990, 217-225, vol 16, U.S.A. Donald R. Sanders, M.D.,Ph.D. et al, Comparison of the SRK/T Formula and Other Theoretical and Regression Formulas, May 1990, 341-346, vol 16, U.S.A. Milton Katz et al, The Human Eye as an Optical System, Clinical Ophthalmology, 1998, 1-56, vol 1, U.S.A. Jack T. Holladay et al, Improving the Predictability of Intraocular Lens Power Calculations, Arch Ophthamol, Apr. 1986, 539-541, vol 104, U.S.A. Paul U. Fechner, M.D., et al, The Correction of Myopia by Lens Implantation Into Phakic Eyes, American Journal of Ophthalmology, Jun. 1989, 659-663, vol 107 No. 6, U.S.A. Donald R. Sanders, M.D., Ph.D. et al, A-Scan Biometry and IOL Implant Power Calculations, American Academy of Ophthalmology Focal Points, Dec. 1995, 1-14, vol 13 No. 10, U.S.A. Paul U. Fechner, M.D. et al, Worst-Fechner Biconcave Minus Power Phakic Iris-Claw Lens, Journal of Refractive Surgery, Mar./Apr. 1999, 93-105, vol 15, U.S.A. John Retzlaff, M.D. et al, A Manual of Implant Power Calculation, SRK Formula, 1-41, U.S.A. Jack T. Holladay, MD, MSEE, Standardizing Constants for Ultrasonic Biometry, Keratometry, and Intraocular Lens Power Calculations, J Cataract Refractive Surgery, Nov. 1997, 1356-1370, vol 23, U.S.A. Kristian Naeser, MD, Intraocular Lens Power Formula Based on Vergence Calculation and Lens Design, J Cataract Refractive Surgery. Oct. 1997, 1200-1207, vol 23, U.S.A. Thomas Olsen, M.D. et al, Intraocular Lens Power Calculation With and Improved Anterior Chamber Depth Prediction Algorithm, J Cataract Refractive Surgery, May 1995, 313-319, vol 21, U.S.A. Jack T. Holladay, M.D. et al, A Three-Part System For Refining Intraocular Lens Power Calculations, J Cataract Refractive Surgery, Jan. 1988, 17-24, vol 14, U.S.A. G.L. Van Der Heijde, Some Optical Aspects of Implantation of an IOL in a Myopic Eye, Eur J Implant Ref Surg, Dec. 1989, 245-248, vol 1, Amsterdam, The Netherlands. gear extends at least partially external of the casing to engage a powered corresponding gear provided on the printing device with which the cartridge is to be used. 4. A cartridge according to claim 2 wherein the drive gear is able to engage a powered corresponding gear provided on the printing device by means of an aperture provided on said casing. 5. A cartridge according to claim 1 wherein said second portion of the casing is segregated into distinct chambers for storing a supply of different colored inks. 6. A cartridge according to claim 5 wherein each of said ink storage chambers has a corresponding ink outlet closed with a pierceable seal. 7. A cartridge device according to claim 6 wherein each ink outlet is in the form of a nozzle adapted to connect with a corresponding ink connection means provided on the printed device with which the cartridge is to be used. 8. A cartridge according to claim 1 wherein the ink storage portion is defined at least in part by a collapsible membrane. 9. A cartridge according to claim 1 wherein the casing includes a first print media storage molding, a second ink storage molding and an intermediate molding that serves to complete and enclose said print media and ink storage moldings, whilst simultaneously interconnecting the two. 10. A cartridge according to claim 1 which includes a shielding means arranged in said first portion of the casing adjacent the exit opening for assisting in the supply of print media to said printing device.