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1. 发明专利

GB568975A Improvements in or relating to apparatus for indicating the end of a predetermined time period 未知
公开(公告)号：GB568975A
公开(公告)日：1945-04-27
申请号：GB2160644
申请日：1943-12-30
申请人： TELEPHONE MFG CO LTD , SYDNEY JAMES SMITH , ROBERT SAINT GEORGE TERRY
IPC分类号： G04F3/06 , H01H43/10
摘要： 568,975. Ratchet gearing. TELEPHONE MANUFACTURING CO., Ltd., SMITH, S. J., and TERRY, R. ST. G. Dec. 30, 1943, No. 21606/44. Divided out of 566,345. [Class 80 (iii)] [Also in Group XXXVII] A succession of olectric impulses delivered to an electromagnet cause the rotation of a wheel E coupled by a clutch Y to a wheel d carrying a pointer Q so that the pointer moves from a set position near a second pointer Q2 to the zero position shown in Fig. 3, where it operates contacts A, B in an alarm circuit and contacts C1, D1 in the circuit of an electromagnet which disengages the clutch Y so that the pointer Q returns to its original position under the action of a spring S that was wound during the previous movement. The pointer Q may then open contacts P1, P2, breaking - the circuit of the clutch magnet so that the clutch Y re-engages and the cycle starts over again. Thus, a succession of timed signals is given over the alarm circuit, the interval between them depending on the setting of the pointer Q2. The wheel E and a co-operating cog-wheel are driven by the oscillation of a pallet which engages first one wheel and then the other, Fig. (not shown).

2. 发明专利

GB532910A Improvements in and relating to timing means for controlling or operating a series of variable indicating, signalling, warning or supervisory devices 未知
公开(公告)号：GB532910A
公开(公告)日：1941-02-03
申请号：GB2658039
申请日：1939-09-25
申请人： SYDNEY JAMES SMITH , TELEPHONE MFG CO LTD
IPC分类号： G04C23/00 , G08G1/085
摘要： 532,910. Time-alarm signals ; electric switches. SMITH, S. J., and TELEPHONE MANUFACTURING CO., Ltd. Sept. 25, 1939, No. 26580. [Class 118 (ii)] [Also in Group XXXVII] A timing-device for controlling or operating, according to a pre-set programme, one or more indicating or warning devices is characterized by the use of a signal-controlling member moving relatively slowly and bearing mechanical or electrical circuit-controlling elements, and further members, moving relatively rapidly, each serving to control the duration or repetition of signals transmitted over one of the circuits. The shaft C of a clock rotates a disc 1 and the disc rotates a snail cam 8, the gearing being so arranged that the disc rotates once in six hours and the cam rotates once a week. The cam moves a sliding member or a pivoted arm 16 to which a finger 18 is flexibly connected at 19. The disc is marked with a spiral line or groove 1B, and the finger 18 traverses the spiral and moves slowly outwards from the centre. A pivoted lever 23 carries an abutment 24 and a depending arm 22, and a spring keeps the arm 22 in contact with the finger 18. Small pins, screws, or like projecting pieces are inserted at pre-determined places on the spiral line on the disc, and when such a piece comes into contact with a tappet 20 on the finger 18 it swings the finger and the lever 23 outwards. The clock shaft C also rotates a cam 32 which rocks a lever 27 having another lever or searching-member 25 pivoted to its free end. One end of the lever is connected with a suitable switching member, such as a mercuty switch 36. Normally the oscillations of the lever 27 do not tilt the switch 36, but when the lever 23 moves outwards, an abutment 24 at its end stops the free end of the lever 25 and causes the switch 36 to tilt and open or close the circuit of an indicating or signalling device. The lever 23 may be dispensed with, the abutment 24 being fixed to the end of the finger 18. In a modification, the disc 1 may be covered with insulating material which is perforated at pre-determined places. A contact member carried by the finger 18, or by a slide operated by the cam 8, falls into the perforations and completes an electric circuit. The disc may be interchangeable with others having different pre-set programmes, and it may be replaced by a cylinder or cone.

3. 发明专利

GB470586A Improvements in or relating to clock mechanisms 未知
公开(公告)号：GB470586A
公开(公告)日：1937-08-18
申请号：GB827836
申请日：1936-03-19
申请人： SYDNEY JAMES SMITH , TELEPHONE MFG CO LTD
IPC分类号： G04C11/08
摘要： 470,586. Electric clocks. SMITH, S. J., and TELEPHONE MANUFACTURING CO., Ltd. March 19, 1936, No. 8278. Drawings to Specification. [Class 139] A clock mechanism comprises the combination with a pendulum 14, Fig. 1 (not shown), which controls a rocking driving member 21 in the mechanism, of a self-starting A.C. synchronous motor 57 and a lever 60, carrying two oppositely pivoted serrated pallets 62, which is driven by the motor to be intermittently moved into and out of the path of an element 56 on or secured to the pendulum when the latter closely approaches one end of its swing and which part 60, 62 is such as to effect correction by mechanical contact with the spring arm 56 attached to the pendulum. The present apparatus described and shown is the same as that described and shown with reference to Figs. 1-10 of Specification 470,562, but the claims differ. The Provisional Specification refers to Specification 370,956.

4. 发明专利

GB416380A Improvements in or relating to wall clocks or signs 未知
公开(公告)号：GB416380A
公开(公告)日：1934-09-10
申请号：GB707733
申请日：1933-03-08
申请人： SYDNEY JAMES SMITH
IPC分类号： G04B37/14
摘要： 416,380. Supporting signs. SMITH, S. J., Hollingsworth Works, Martell Road, West Dulwich, London. March 8, 1933, No. 7077. [Class 3 (ii).] A wall clock or sign comprises a wall bracket having an outwardly projecting flange and a dial or signcarrying unit comprising a casing mounted on the bracket so as to swing thereon at the upper edge or at the uppermost part of the dialcarrying unit and to embrace or be received within the flange on the bracket. Figs. 1, 2 show an arrange - ment in which dial-carrying units 22, 23 are mounted on the flanges of a bracket 13 of T-section metal secured to a wall by bolts 16 and plates 17, 18. The units are secured to the flanges by bolts 29 over which they may be placed and swung into position to surround the flanges completely. Velvet or felt packing 30 prevents moisture entering the units. A weather guard may be provided over the bracket. In an arrangement, Fig. 4, the bracket comprises a metal cylinder 38 secured in a U-frame 35 by bolts 39, the cylinder being of greater length than the width of the metal strip 32 of the frame so as to form flanges on which dial-carrying units are secured as in Fig. 2. In another arrangement, Figs. 6, 7, dial carrying units 22, 23 are mounted on a bracket comprising two members 40 of channel section, strengthened by members 41, and a U-member 42 secured on the members 40 by nuts 43 and having bolts 44 on which the units 22, 23 are supported by hooks, the units being secured within the member 42. Figs. 9, 10 show an arrangement in which the units 22, 23 are mounted on flanges projecting from the periphery of discs 49, 50 which are secured to a metal frame 48 and connected at the top by a member 51 to a tie 52, the units being mounted on bolts 29 as in Fig. 2. Rubber packing may be provided between the clock movement or operating part of the sign and the dial or sign carrying unit.

5. 发明专利

GB413315A Improvements in or relating to electrically-driven clocks 未知
公开(公告)号：GB413315A
公开(公告)日：1934-07-11
申请号：GB99633
申请日：1933-01-11
申请人： SYDNEY JAMES SMITH , TELEPHONE MFG CO LTD
IPC分类号： G04C13/04
摘要： 413,315. Electric clocks. SMITH, S. J., and TELEPHONE MANUFACTURING CO., Ltd., Hollingsworth Works, Martell Road, West Dulwich, London. Jan. 11, 1933, No. 996. [Class 139.] Timing-mechanism for sending periodical impulses to one or more clock mechanisms (80) has a reciprocating impulse-controlling member 26 (contacts 18, 19) of which the reciprocating speed is governed by a ratchet 11 and a synchronous motor 9. This motor 9 drives ratchets 11 and 12, of which ratchet 12 rotates the faster. Electromagnet 17 is in series with contacts 18, 19 and is connectible at 23, 24 with a battery and with the secondary clocks which are to receive an impulse each halfminute over this circuit. Contact 19 is on armature 20 and contact 18 is on an arm 25 rigid with a lever 26 which is pivoted at 27, counterweighted at 34 and has fixed to it plates 31, 32 ; pivoted between the latter is a member 29 with an abutment 28 which coacts with ratchet 11. Lever 26 tends to rock clockwise under its own weight, but this rotation is governed by ratchet 11 which regulates the rate of fall of abutment 28. When the latter reaches its lowest position, contact 18 meets contact 19, the energized magnet 17 attracts its armature and throws lever 26 counterclockwise, its momentum breaking contacts 18, 19 ; abutment 28 moves on to the next tooth of ratchet 11. The periodicity of the circuit closure thus depends upon the rotation of ratchet 11. Stop 33 limits the rise of lever 26. A setting arm 36 pivoted to the plate 31 has an abutment arm 38 which is connected to member 29 by a spring 39. A stud 40 on arm 36 coacts with three recesses 41 in plate 31, and arm 36 is used to adjust member 29 to one of three positions. In the position shown, abutment 28 and ratchet 11 control the fall of lever 26. If the stud 40 be moved to the central recess 41, then member 29 coacts with neither ratchet 11 or 12, but abutment 38 meets a fixed stop 74 and prevents lever 26 falling, thereby stopping the secondary clocks. If stud 40 be in the right hand recess 41 then a second abutment 35 on member 29 coacts with ratchet 12 which rotates much more rapidly than ratchet 11 so that lever 26 gives rapid impulses to step-on the secondaries. In the position shown in Fig. 1, the weight of the parts is so designed that if the current for motor 9 fail, then lever 26 and its associated parts rotate ratchet 11 and motor 9 slightly faster than when motor 9 is energized. This permits the motor to fall back into synchronism when its supply recommences. A roller 71 on lever 70 permits ratchet 11 to raise this arm about pivot 73. A second roller 72 on arm 70 meets arm 26 to help raise the latter from its lowest position. If the battery for magnet 17 is run down and the raising of arm 26 is slow, then the longer closure of contacts 18, 19 may be used to actuate a lamp or bell in circuit with these contacts. In a modification, Fig. 5, the motor 9 drives a cam 42 which raises a lever 43 to close contacts 44, 45 once each second, each impulse lasting for half a second. Two magnets 46, 47 are in series with one another, with these contacts and with a battery 79 ; this circuit also includes the secondary clocks at 80. A high resistance 78 is connected to contact 76 as shown. When contact 45 is lowered to break the circuit, contacts 76, 44 close to prevent sparking, before 44, 45 open. The motor also directly drives a pilot dial 77. The magnet 47 is used to close contacts in leads 50, 51, impulses occurring every 6 seconds in one pair of leads and every 30 seconds in the other pair. Magnet 46 reciprocates an armature lever 60 against spring 62 and about pivot 61 so that pawl 64, Fig. 8, on lever 60 drives a ratchet 67 which is freely mounted on a spindle of the train 10 driven by motor 9. The ratchet is connected to the spindle by a spring 69 and the number of teeth on ratchet 11 is such that the ratchet 11 rotates faster than the spindle so that spring 69 is stressed until it balances spring 62. During current failure in the motor circuit, therefore, spring 69 drives the motor.

6. 发明专利

GB341947A Improvements in or relating to electric clocks and the like 未知
公开(公告)号：GB341947A
公开(公告)日：1931-01-23
申请号：GB3215729
申请日：1929-10-23
申请人： SYDNEY JAMES SMITH , JAMES FREDERICK GRIMBLEY , TELEPHONE MFG COMPANY 1929 LTD
IPC分类号： G04C13/10
摘要： 341,947. Electric clocks. SMITH, S. J., GRIMBLEY, J. F., and TELEPHONE MANUFACTURING CO. (1929), Ltd., Hollingsworth Works, Martell Road, West Dulwich, London. Oct. 23, 1929, Nos. 32157/29 and 25075/30. [Class 139.] Ratchet gearing.-Dial mechanism for an electric secondary clock consists of a ratchet drive for the hands which is operated by an electromagnet with an oscillating armature, there being an inertia device which (for silence) retards the return of the armature under spring pressure. This inertia device is a flywheel driven in one direction by a pawl formed of bristles or hairs. The armature 19 of magnet 30, 31 (21, 22 being the pole faces) has pivoted in it a wire pawl 24 which, when the magnet is energized from the master clock once every half minute, drives the ratchet 18 one tooth, this rotating the clock hands one step through a worm gear. The armature spindle 20 carries a cup 35 having a saw cut which holds one end of a return spring 3 (for the armature), the other end of which is anchored at 38 by an adjustable milled disc. Spindle 20 also carries a member 48 holding bristles 39 which coact with the velvet (or chamois leather) face of a flywheel 40 pivoted at 42. When the armature is attracted to drive the ratchet 18 the bristles 39 move to the right in Fig. 2, idly over the surface 43 but on the return movement the bristles engage the velvet and rotate the flywheel. The pawl 24 has a tail piece which is magnetic and coacts with a pole face, when the magnet in energized, to draw the pawl firmly into engagement with the ratchet. A pad 44 of felt deadens the sound of the pawl tail as it descends, On retraction of pawl 24 an inclined stop 45. covered with felt or chamois leather, holds the pawl in engagement with the ratchet. The backstop pawl 25 is pivoted in the frame and after passing over a pole face is bent upwardly to provide a tail for releasing it from the ratchet. The part of pawl 25 overlying the pole face is rubber-covered for silence. The worm gearing, &c. for the clock hands, the ratchet drive (including armature), and the magnet coils are attached as three separate units to the back of the clock face. Specification 297,891 is referred to in the first Provisional Specification. Mechanism such as that described may be used in a barograph.

7. 发明专利

GB567152A Improvements in or relating to apparatus for magnetically recording, reproducing andtransmitting speech and messages 未知
公开(公告)号：GB567152A
公开(公告)日：1945-01-31
申请号：GB1702342
申请日：1942-11-30
申请人： TELEPHONE MFG CO LTD , SYDNEY JAMES SMITH , ROBERT SAINT GEORGE TERRY
IPC分类号： G11B5/00
摘要： 567,152. Magnetic sound recording and reproducing apparatus. TELEPHONE MANUFACTURING CO., Ltd., SMITH, S. J., and TERRY, R. ST. G. Nov. 30, 1942, No. 17023. [Class 40 (ii)] An apparatus for magnetically recording and reproducing sound comprises a storage reel 3, Fig. 1, on which a metal tape or wire is normally wound, a feed reel 4 on which the tape is wound from its storage reel before recording or reproducing, the operation of winding the tape on the feed reel also winding spring means for subsequently winding the tape back on the storage reel from the feed reel, during which rewinding the tape is drawn through a recording or reproducing head 12 to perform the recording or reproducing operation. In the apparatus shown, the winding of the tape on the feed reel is performed by means of a handle 5, which can be turned into a recess 5c when the apparatus is not in use. The spring means for winding the tape back comprise two spring drums 21, 21, Figs. 2 and 3, geared to the spindle 20 of the storage reel 3. The spring drums are given a preliminary winding by means of keys detachably fitted to their spindles. Then ratchet pawls 34, 34 are tightened up by screws 35. The storage reel is geared to a screw 25 in engagement with a non-rotatable nut 28 adapted to abut a fixed stop 31 to limit the unwinding of the tape from the storage reel. A spring cushioning device 30 is also provided on the nut to co-operate with rods which confine the nut against rotation. The feed reel 4 is similarly geared to a screw and nut device 37, 24, which limits the unwinding of the tape from the'feed reel, and is also connected to a lever 9 for indicating the extent of travel of the tape. The feed reel 3 is also geared to two centrifugal speed regulators 16, 17. The regulator 16 is a " fast " speed regulator permanently in gear with the feed reel. The other regulator 17 is a " low " speed regulator and is geared to the feed reel through a clutch which is thrown in and out by a fork 64 connected to the speed setting device 10. A " start-stop " control lever 11 is adapted to release or stop a spring cushioned finger on one of the spindles geared to the feed reel. The reels are detachable and interchangeable, co-operating lugs and slots being provided for this purpose. The magnetic head 12 can be opened and closed, and is held closed by a latch 12a. The mechanism is arranged behind a front panel 1 and is protected by a back cover 13.

8. 发明专利

GB566831A Improvements in and relating to electric clock mechanisms 未知
公开(公告)号：GB566831A
公开(公告)日：1945-01-16
申请号：GB974043
申请日：1943-06-17
申请人： TELEPHONE MFG CO LTD , SYDNEY JAMES SMITH , ROBERT SAINT GEORGE TERRY
IPC分类号： G04C13/02
摘要： 566,831. Clocks. TELEPHONE MANUFACTURING CO., Ltd., SMITH, S. J., and TERRY, R. ST. G. June 17, 1943, No. 9740. [Class 139] Pendulum operated and controlled mechanism of the kind in which a free pendulum (not shown) receives energizing impulses from a falling gravity arm at equal intervals of time, the release of the gravity arm being controlled by an attendant pendulum 1 which may form part of a master clock, is characterised in that a synchronizing magnet 10 receiving impulses from the free pendulum and adapted to apply synchronizing impulses to the attendant pendulum 1 is adapted to operate a rocking lever 2 which carries insulated spring contact members 3, 4, whose relative opening and closing is adapted to be controlled by a member 6 carried by the attendant pendulum, when they are brought into a predetermined position by movement of the lever 2 brought about by energization of the magnet 10. In the manner described in Specification 545,910, the free pendulum periodically closes contacts 13 for an instant to energize the magnet 10 which pulls the lever 2 down into the position shown, whereby one or other of two pallets 7 , 7 contacts a spring 8 on the attendant lever if it has departed from synchronism with the free pendulum. At the same time, a roller 5 on spring contact 3 engages the member 6 and the contacts 3, 4 close to lock in the magnet 10 until such time as the attendant pendulum has swung to a position where the member 6 frees the roller 5. The contacts 3, 4 then open, magnet 10 de-energizes and the lever 2 rises to inoperative position. By this means, the greater the variation from synchronism the longer is the magnet 10 energized and the greater is the correcting impulse.

9. 发明专利

GB370956A Improvements in or relating to clock or like mechanism 未知
公开(公告)号：GB370956A
公开(公告)日：1932-04-08
申请号：GB75931
申请日：1931-01-08
申请人： SYDNEY JAMES SMITH
IPC分类号： G04C3/04
摘要： 370,956. Electric clocks. SMITH, S. J., Hollingsworth Works, Martell Road, London. Jan. 8, 1931, No. 759. [Class 139.] Balances.-In clock or like mechanism of the type in which the hair spring 5, controlling the balance wheel 4 is anchored at its inner end to the balance and at its outer end to an oscillatory member, for example, the stud-ended lever 7, Fig, 1, the pivot 8 of the latter is located eccentrically of the balance wheel pivot to reduce distortion of the spring. The point 8 is taken as the centre of a circle passing through points 9, 10, 11, Fig. 2, formed by the intersection of circles 90, 100, 110 and radial lines 12, 13, 14 corresponding to the positions of the end of the hair spring at its expanded, normal and contracted positions. Alternatively the lever 7 may be attached to a leaf spring anchored at the point 8. The electromagnetic control is similar to that described in Specification 362,518 with the exception that the trip lever 29 is reciprocated by the armature 18 instead of by the stop clicks 23, 24.

10. 发明专利

GB362518A Improvements in or relating to clocks 未知
公开(公告)号：GB362518A
公开(公告)日：1931-12-10
申请号：GB3792429
申请日：1930-09-10
申请人： SYDNEY JAMES SMITH
IPC分类号： G04C3/04
摘要： 362,518. Electric clocks. SMITH, S. J., Hollingsworth Works, Martell Road, West Dulwich, London. Sept. 10, 1930, No. 37924/29. [Class 139.] Escapements; balances; ratchet gearing.-An electric clock in which the scape wheel rotates half a tooth each time it is acted upon by the pallet (directly or indirectly), has locking means to prevent retrograde movement of the scape wheel which comprise two stop pawls moved alternately to the crests and roots of the teeth on the scape wheel or on a wheel connected thereto, at each successive movement of the wheel. The wheel 15 and a wheel 16 geared thereto are driven half a tooth at a time by a pallet 17 on an armature lever 18 which is oscillated in each direction by magnets 19, 20. With both magnets de-energized a steel spring 21 holds the pallet in a neutral position as shown. The hairspring 5 of balance 4 is anchored to the balance staff and to a block 7 on a lever 8 which is pivoted coaxially with, and swings parallel to, the balance. This lever is held by a thin wire spring 13 in a block 14 and coacts with spring blades 9, 10 anchored at 11, 12. Fixed bracket 14 is adjustable towards the balance for regulation. Pawls 23, 24 of semicircular shape are mounted on arms 25, 26 which are integral with arms 29, 30 pivoted at 27, 28. When one pawl is at the crest of a tooth, the other is at the root, locking the wheel. When the pallet 17 drives, one pawl is forced up out of the teeth and the other descends to lock them, the wheel 15 thereby moving half a tooth. Springs 31, 32 press the pawls down, through pins 33, 34. With the alternation of pawls 23, 24, the arms 29, 30 will rise and fall to rock a lever 35 pivoted at 36 and having pins 40, 140 to actuate the blades 9, 10. A spring 37 snaps this lever 35 each side of its dead central position. As the balance moves anticlockwise, Fig. 1, spring 5 tends to carry lever 8 anticlockwise also. Pawl 23 is now on the crest of a tooth and its arm 29 has risen to throw lever 35 clockwise. This presses up on blade 9 and a little later the lever 8 through its momentum (and wheel 43) presses blade 9 up further, to close contacts 9, 41. When the balance rotates in the opposite direction, lever 35 is rocked anticlockwise and contacts 10, 42 are closed. The parts are wired as shown to a battery 45. With the balance rotating anticlockwise pawl 23 is on the crest of a tooth, contacts 31, 47 are closed and at the end of the balance swing, contacts 9, 41 are closed. This completes a circuit 45, 44, 11, 9, 41, 47, 31, 48, 20, 49, 45 to energize magnet 20. This actuates pallet 17 to drive wheels 15, 16 and reverse the pawls 23, 24. In the opposite direction of balance swing, contacts 32, 50 and 10, 42 are closed to actuate magnet 19. In a modification, the parts 13, 14 are dispensed with and the lever 8 actuates a regulator carrying the usual curb-pins for the hairspring. Otherwise the construction is the same as in Fig. 1. In a further modification, Fig. 4, the wheels 15, 16 are coaxial, and the pawls 170, 171 therefor are integral with a common member 172 pivoted on a rod 181. This member 172 is also pivoted to the armature 180 of a magnet 200, the armature being on a spring blade 210. As the magnet is energized and de-energized, its armature rocks the pawls 170, 171 alternatively into and out of engagement with the wheels 15, 16. Alternately, a second magnet may be used for the armature 180. The balance may be replaced by a pendulum.

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