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Патент USA US3078417

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Feb. 19, 1963
J. A. M. TAYLOR
DEVICE FOR MEASURING, INDICATING AND
'
3,073,413
ADDING TIME INCREMENTS
Filed 001'“ 24, 1960
INVENTOR
U'OHN A.M. TAYLOR
ATTORNEY
nited States Patent ??ce
1
3,078,413
DEVICE FOR MEASURING, INDECATING AND
3,078,413
Patented Feb. 19, 1963
2
may both be set via gears from one dial.
Each timer
has a single contact (TA or TB) which opens after the
timer
has run the pre-set period, the timer then reset
ADDING TIME INCREMENTS
ting automatically. The setting ranoe for the timers could
John Alfred Major Taylor, 90 Manor Drive,
conveniently be 0-5 minutes.
Hinchley Wood, Esher, England
A work unit operating switch S1, S2 is operated man
Filed Get. 24, 196i), Ser. No. 64,420
ually or automatically at the end of each completed work
Claims priority, application Great Britain Dec. 1, 1959
period, i.e., when a job is completed, and gives a short
4 Claims. (Cl. 324-458)
operation pulse to one, of two control relays A and B.
This invention relates to a device for measuring, indi 10 This operating switch changes over from one relay to the
cating and adding time increments, and has for its object
other in successive operations, and may take any suitable
to provide for recording on a clock, dial, tape or chart
form. Thus it may-operate on the alternate push method
the time ‘achieved or saved by an operator in a machine
shown, closing S1 or $2 contact in the appropriate change
over position.
' '
'
tool or like manufacturing‘.operation within the actual
time set by the time study engineer.
In another form there may be employed a single push
Machine tool operations for production working are
switch of the automobile light-dipping type which changes
time according to a reasonable speed of which an aver
over a contact each time it is depressed, to select the
age operator is capable, and'to‘the timed speed there is
added suitable allowancesfordelay-s and’ setting up, the
that further pressure of the push actuator would ener
control relaysalternately, the arrangement being such
?nal time ?xed being that-uponwhich an operator can 20 gise the relay selected.
earn a bonus if his rate of working is higher than that set.
In still another form the operating switch may com
For this purpose the operator is usually called upon to
prise an on/ott switch which in the on position ?rst steps
a rotary relay—such as the Rodene type 700, and then
?ll in time sheets for each complete operation, and at the
end of the day it is necessary to make certain calculations
to arrive at the amount of saved time on which bonus
provides a pulse, for example, by means of a slugged
relay or a mecury impulse switch.
is due.
Circuit Explanation
The device, according to the invention, is designed
Assume that the rate setting timers TA and TB are
to enable the bonus increments to be recorded as they
both set to a particular rate period, for example, sixty
are obtained, and to be visible in front of an operator
to encourage him to beat the set time, thus stimulating 30 seconds with the storage clock M'SE at zero.
At the begining of the ?rst work period the operating
production-and contributing to statf contentment, as the
switch contact Si-is closed and completes a circuit from
bonuses can be accurately recorded by the production en
the power supply lines over relay A which energises and
gineer with the full co-operation of the machine operator.
locks up over its contact A1 and the normally closed
According to the invention, a device for measuring
contact TAl of timer TA, at the same time completing
and recording bonus and like time increments comprises
the operating circuit for the timer TA over these contacts.
a main time storage engine—~which may be mechanical,
Operation of the relay A also closes its contact A2 to
electrical or electronic in character-and a pair of time
make ready a bonus gained circuit including a normally
counters adapted to be preset to measure a required time
open contact B2 of relay B/3 and the forward drive mo
interval, and means whereby operation starting signals
operate the counters alternately, and the time differences 40 tor PM of the storage clock MSE. In addition at its con
tact A3 the relay A opens a bonus lost circuit including
between the signals and the pre-set time intervals on the
counters are stored on the said engine.
the normally closed contact B3 of relay B and the reverse
drive motor RM of the clock MSE.
In order that the invention may be readily understood
At the end of the pro-set rate period, the timer opens
and carried into eil‘ect, one embodiment thereof by way
of example, will now be described with reference to the
at its contact TAi the locking circuit of relay A which
thus releases while the timer resets.
accompanying diagrammatic drawing showing a typical
circuit arrangement.
At the commencement of the next Work operating cycle,
In referring to “Roderic” equipment, herein, this is
operating switch contacts S2 are closed to cause the timer
merely by way of example and explanation of standard
TB to run for the pro-set rate period and perform a se
items which are utilised by the invention to produce the '
quence of operations similar to that for the timer TA,
e?‘ect required. Equivalent items of different manufac
ture or design can be used. The “Rodene” equipment is
made by ‘the Roderic Electrical Company Limited of
the making ready of the “bonus gained” and “bonus lost"
circuits being in this instance controlled by the closing
of relay contact B2 and the opening of relay contact 33
Isleworth, Middlesex, England, and details of the items
respectively.
referred to are to be found in the current brochure en
Thus in any pro-set rate cycle, the bonus clock can be
set to record gained or lost time as appropriate. If, in
titled “Rodene Process Timersi’
this instance for example, the operator completes the
?rst job in ?fty seconds, there is a bonus time gained of
10 seconds. This means that the relay B has been oper
be ‘of the Rodene self-clutching type 2000. In a typical 60 ated ltl'seconds early, and thus both timers TA and TB
case the indication might be in hours and minutes; thus
will be running together for this bonus period. In con_
there might be two hands 1 as shown, one Working over
sequence the bonus gained circuit is closed over closed
calibrations from minus one hour to plus five hours
contacts A2 and B2, so that the forward drive motor PM
spread around 360 degrees, and the other hand might
causes the clock MSE to register the 10 seconds’ bonus
perform one revolution in six hours of continuous drive
time. As will be evident at the end of this bonus period,
with calibrations in tenths of an hour or to a minute.
the timer TA releases relay A, which thereby opens the
The time counters, or rate setting timers, are herein
“bonus gained” circuit at its contact A2. The timer TB
designated TA and TB respectively, and are presentable
continues to run until it releases at the end of the pre-set
to required operational times as determined by the time
rate period, and thereby stops the clock, if this has been
study engineer in collaboration with the machine opera~
started again at contact A2, which means that relay A
tor. Such timers may operate on the principle of the
has operated early due to bonus time having been gained.
Rodene “25” series, but for convenience in setting they
If when one of the relays is operated (A for example)
. In the drawing the main storage engine is a clocklfaced
unit MSE having a hand or hands 1 driven by forward
and reverse motorsPM and RM respectively, which may
8,078,413
3
the operator takes more than the speci?ed rate period
of 60 seconds in the instance quoted for the operation
say, 65 seconds—which means 5 seconds lost, relay A will
4
design in indicating the bonus position but the timing de
vices can be adapted to give such re?nements as may be
desired. Thus they may be basically electronic or me
chanical and may include decatrons, by which the respec
be released by timer TA at contact TAl before relay B
is operated, and then the “bonus lost” circuit will be CH tive operations maybe counted.
I claim:
completed over contacts A3 and B3 to energise reverse
1. A device for measuring and recording bonus and
motor RM which drives the bonus clock in the negative
like time movements, comprising a main storage engine,
direction. Thus, for example, it 10 seconds were gained
bonus time gained, and bonus time lost circuits con
on one operation, and the next operation lost 5 seconds,
nected for operating said engine in positive and negative
the clock would show a positive bonus of ?ve seconds. 10 directions respectively, a pair of timers each pre-settable to
Indicator lights or audible indicators IF and IR may
measure a required time interval, means to operate the
be connected across the clock motors ‘FM and RM re
spectively to advise the operator of the state of his bonus
position-whether it is being gained or lost.
There may also be associated with the switch S1, S2
a counter device which operates automatically to indicate
that the switch is operated only once for each job, or this
counter may be adapted to lock the switch until the job
has been completed.
It will be observed from the foregoing that the two 20
timers provide a means of indicating odd and even num
bered jobs, since timer A runs on the odd numbers if
it starts ?rst, and timer B on the even numbers.
Bonus is gained while both timers are running‘ and is
lost while both are tie-energised.
I
timers alternately by discrete starting signals, control ele
ments to said timers in said circuits arranged such that
when both timers are running together the bonus time
gained circuit is operative to cause the said engine to op
crate in the positive direction, whereas when neither timer
is operative the bonus time lost circuit is completed to
e?ect operation of the said engine in the negative direc
tion.
-
2. A device for measuring and recording bonus time
increments, comprising a main storage engine having an
indicator operable in one direction to show bonus time
gained, and in another direction to show bonus time lost,
drive motors in said engine for each of said directions of
indicator movement, timers pre-settabie to measure a
required time interval and including control elements in
The main storage clock MSE, by means of a dial, a
tape or a chart, may indicate the time differences stored
operating circuits for said motors, signal transmitting
thereby both individually and in summation, and is or any
means operable to start one or other of the tirners, and
suitable type.
including said control elements whereby the drive
The timers continue to operate alternately while bonus 30 means
motors are selectively energised over said operating cir
is earned. and the main storage clock shows the total
bonus time and may indicate individual bonus times over
a given series of machine operations.
It will be appreciated that the starting signals for the
pre-set counters or timers TA, TB may be initiated auto
matically by the machine (instead of by the operator) as
it starts a working cycle.
The device facilitates the starting up of a bonus system
cuits according as to whether the timers are in the operated
or non-operated position when a starting signal is received.
3. A device for measuring bonus time increments, com
prising a main storage engine having an indicator operable
in opposite directions to show bonus time gained and
bonus time lost respectively, drive motors in ‘said engine
for each of said directions of indicator movement, timers
pre-settable to measure a required time interval, a start
on any particular machine operation, provides for accu
rate timing of the operations and of the bonus earned, 40 ing circuit for each timer including a control relay and
control contacts of the timer and the relay, separate
and may be arranged to count the number of artidlles
bonus gained and bonus lost circuits for operating the
processed, whether they earn bonus or not. At all times
drive motors including contacts of the two relays in op
the total bonus and the individual bonus for respective
posite relation, and signal transmitting means to close
operations may be displayed in front of the operator to
encourage production output, while simpli?cation of the 45 said starting circuits in succession.
4. A device for measuring bonus time increments, com
accounting arrangements is possible, with consequent re
prising
a main storage engine including an indicator
duction in working overheads.
movable in prescribed directions to indicate bonus time
Any suitable self-resetting synchronous electric timers
lost and bonus time gained, timers each pre-settable to
may be employed. In the typical one above referred to,
and known as the “Rodene” 25 series, a switch actuator 50 measure a prescribed time interval, means operable by
successive operation signals to operate the timers and
arm is normally held against a pro-set stop by a return
move the indicator if there is a difference between the pre
spring, and moves counterclockwise when the motor is
set time interval and the signal interval, and means where
switched on until the pre-set time is used up, whereupon
by successive starting signals are counted by the timers
cycle. The switch actuator arm controls micro-switches 55 so as to differentiate between and indicate odd and even
operations.
for cutting out the motor in the circuit and for starting
the motor is cut out and the arm re-set for the next time
and stopping the storage clock.
It will be understood that the type of storage engine,
or the type of timing devices employed in carrying out the
invention may be as required.
Further the circuit ar 60
rangement vfor achieving the invention may be adapted
to suit requirements. In particular, the method of indi
cating or counting odd and even operations is an im
portant feature of the invention. The circuit disclosed
herein provides this facility as an an inherent part of its 65
References (Jited in the ?le of this patent
UNITED STATES PATENTS
2,493,627
2,564,294
2,591,124
Grosdoil‘ ______________ __ ian. 3, 1950
Belcher _____________ __ Aug. 14, 1951
Boyan _______________ __ Apr. v1, 1952
2,656,528
Savino 2...; ___________ __ Oct. 129, 1953
2,783,836
Kenline ______________ __ Mar. 5, 1957
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