US3823616A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hand grip control assembly
Assignee: Eaton Corp
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Filing: 1973-06-04
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Granted: 1974-07-16
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Expires: 1993-06-04
Abstract
Abstract A hand grip control assembly is constructed to provide at least three independent control signals in response to predetermined manipulations of a single hand when supported by the control assembly. The control assembly has a base to which a spaced pair of support members are rigidly affixed. Between these support members a first and a second rotating member is mounted. The first member provides a main hand support which the hand may grasp and rotate to actuate a first control signal. The second member is mounted proximately to and in line with the first member to allow the thumb of the hand grasping the first member to also rotate the second member and actuate a second control signal. The third member is movably mounted to the base to allow the fingers of the hand grasping the first member to also depress the third member and actuate a third control signal. The control assembly is mountable on a control panel of an industrial truck to allow the truck operator to actuate at least three truck functions while simultaneously supporting himself by grasping the control assembly with his hand.
Inventors
- 👤 H Houseman
- 👤 L Roll
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:07
CPC Classifications
G; G05; G05G; G05G1/00; G05G1/08; G05G1/10; B; B66; B66F; B66F9/00; B66F9/06; B66F9/075; B66F9/20; G05G13/00; H; H01; H01H; H01H9/00; H01H9/02; H01H9/06; H01H2009/068; Y; Y10; Y10T; Y10T74/00; Y10T74/20; Y10T74/20012; Y10T74/20576; Y10T74/20732; Y10T74/2078; Y10T74/20828
Claims Analysis
Total Claims: 17
Claim 1
Independent Claim
163 words
A manually operated control assembly for separately actuating a number of control functions and being adapted for direct mounting to a control panel of an operator controlled industrial truck comprising: first rotational means for actuating a first control function of the industrial truck in response to a rotational movement of said first means; second rotational means mounted proximately to said first rotational means for actuating a second control function of the industrial truck in response to a separate rotation of said second means; linearly movable means mounted at one side of said first and second rotational means for actuating a third control function of the industrial truck in response to a depression of said linearly movable means; and mounting means for operably connecting said first means, said second means, and said linearly movable means into a unitary assembly capable of being mounted to the control panel of the industrial truck as a control unit providing a graspable hand support for the truck operator.
Claim 2
Dependent Claim
163 words
A manually operated control assembly for separately actuating a number of control functions and being adapted for direct mounting to a control panel of an operator controlled industrial truck comprising: first rotational means for actuating a first control function of the industrial truck in response to a rotational movement of said first means; second rotational means mounted proximately to said first rotational means for actuating a second control function of the industrial truck in response to a separate rotation of said second means; linearly movable means mounted at one side of said first and second rotational means for actuating a third control function of the industrial truck in response to a depression of said linearly movable means; and mounting means for operably connecting said first means, said second means, and said linearly movable means into a unitary assembly capable of being mounted to the control panel of the industrial truck as a control unit providing a graspable hand support for the truck operator.
Claim 3
Dependent Claim
108 words
A manually operated control as seT forth in claim 1 wherein: said first rotational means includes a tubular hand grip rotatable by the wrist action of the hand of the operator holding said grip; said second rotational means includes a thumb knob mounted at one end of said hand grip and being rotatable by the thumb movement of the hand of the operator holding said hand grip; and said linearly actuated means includes a depression plate mounted on the control panel side of the industrial truck to be actuated by pressure applied to said plate by the fingers of the hand of the operator holding said hand grip.
Claim 4
Dependent Claim
51 words
A manually operated control as set forth in claim 1 wherein said mounting means includes: a mounting base plate mountable to the control panel of the industrial truck; a pair of support plates spacedly mounted to said base plate to support said first rotational means and said second rotational means therebetween.
Claim 5
Dependent Claim
67 words
A manually operated control as set forth in claim 1 including: control signal means connected to said first rotational means for providing a variable control signal to the industrial truck in direct response to rotation of said first rotational means, said control signal means having a neutral position toward which said control signal means is returnably biased to provide fail-safe operation of said first rotational means thereby.
Claim 6
Dependent Claim
50 words
A manually operated control as set forth in claim 1 including: switch actuating means coupled to said second rotational means to move in response to rotation of said second rotational means; and switch means for providing a control signal in response to a predetermined position of said switch actuating means.
Claim 7
Dependent Claim
47 words
A manually operated control as set forth in claim 5 wherein said switch actuating means includes a cam having at least three distinct detents and said switch means includes at least three switches each of said switches being actuated by a predetermined detent of said three detents.
Claim 8
Dependent Claim
39 words
A manually operated control as set forth in claim 5 including biasing means connected to said second rotational means to returnably bias said second rotational means toward a neutral position wherein said three switches are unactuated by said detents.
Claim 9
Dependent Claim
42 words
A manually operated control as set forth in claim 7 wherein said biasing means includes a torsion spring mounted between said second rotational means and said switch actuating means to provide a counter torque to any rotation of said second rotational means.
Claim 10
Dependent Claim
45 words
A manually operated control as set forth in claim 2 including: a fourth switch; and a rocker arm pivotably connected between said depression plate and said fourth switch to pivot in response to a depression of said depression plate and actuate said fourth switch thereby.
Claim 11
Dependent Claim
38 words
A manually operated control as set forth in claim 9 including a bias spring connected to said depression plate to maintain said depression plate in a predetermined position wherein said fourth switch is unactuated by said rocker arm.
Claim 12
Dependent Claim
113 words
A hand grip control capable of providing at least three independent control signals in response to predetermined manipulation of a single hand of an operator comprising: a first rotating member turnable by a rotation of the hand holding said first rotating member; a second rotating member mounted proximate to said first rotating member and being turnable by a rotation of the thumb of the hand holding said first rotating member; a plate member spacedly mounted from said first rotating member to be actuated by the fingers of the hand holding said first rotating member; and control switch means responsive to predetermined positions of said rotating and plate members to provide control signals therefrom.
Claim 13
Dependent Claim
113 words
A hand grip control capable of providing at least three independent control signals in response to predetermined manipulation of a single hand of an operator comprising: a first rotating member turnable by a rotation of the hand holding said first rotating member; a second rotating member mounted proximate to said first rotating member and being turnable by a rotation of the thumb of the hand holding said first rotating member; a plate member spacedly mounted from said first rotating member to be actuated by the fingers of the hand holding said first rotating member; and control switch means responsive to predetermined positions of said rotating and plate members to provide control signals therefrom.
Claim 14
Dependent Claim
59 words
A hand grip control as set forth in claim 11 including: a mounting base plate; a pair of support plates spacedly mounted to said base plate to provide a mounting for said first and second rotating members therebetween; and said plate member being slidAbly mounted to said support plates to provide a movable cover for said base plate thereby.
Claim 15
Dependent Claim
57 words
A hand grip control as set forth in claim 11 including separate bias means for said first rotating member, said second rotating member, and said plate member wherein said separate bias means provides return forces to said first member, said second member, and said plate member to actuate each of said members toward a predetermined neutral position.
Claim 16
Dependent Claim
97 words
A hand grip control as set forth in claim 11 wherein said control switch means includes: a proportional control member connected to said first rotating member to provide an output signal proportional to the degree of rotation of said first rotating member; a digital control member connected to said second rotating member to provide at least three distinct constant level output signals at predetermined degrees of rotation of said second rotating member; and an output switch connected to said plate member to provide a fourth constant level output signal upon a predetermined depression of said plate member.
Claim 17
Dependent Claim
34 words
A hand grip control as set forth in claim 14 wherein the output signal of said proportional control member, said digital control member, and said output switch control predetermined functions in a controlled vehicle.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-07-15 | 1978-01-14 | 1978-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-07-15 | 1982-01-14 | 1982-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-07-15 | 1986-01-14 | 1986-07-16 | $7700.00 | Window Closed / Lapsed |