Telephone set

• US 4,782,526 A
• Filed: 03/18/1986
• Issued: 11/01/1988
• Est. Priority Date: 08/30/1985
• Status: Expired due to Term

• Current Assignee: Kabushiki Kaisha Toshiba (Toshiba Corporation)
• Original Assignee: Kabushiki Kaisha Toshiba (Toshiba Corporation)
• Inventors: Morikawa, Hiroshi, Uchino, Yasuhito, Tomita, Tsuneo
• Primary Examiner(s): Ng, Jin F.
• Assistant Examiner(s): Byrd, Danita R.
• Application Number:
  US06/840,785
• Time in Patent Office: 959 Days
• Field of Search: 179/100 R, 179/100 C, 179/100 D, 179/103, 179/158 R, 179/169, 179/178, 179/179, 379/419, 379/422-427, 379/437, 379/440, 379/445, 379/451, 379/448
• US Class Current: 379/419
• CPC Class Codes: H04M 1/06 Hooks; Cradles

Abstract

An improved telephone set of the type including a telephone body and a handset adapted to be placed on the former. The telephone body has a pair of engagement blocks incorporated therein of which part is projected outwardly of the telephone body and they are fitted into engagement recesses on the handset whereby the latter is firmly placed on the telephone body. At least the one engagement block has an engagement face which is adapted to come in contact with the engagement portion in the corresponding engagement recess. Thus, the handset is reliably held on the telephone body.

Claims

1. A telephone set, comprising:

a. a telephone body having a projected portion with a pair of end faces at opposite ends thereof;

b. a handset detachably mountable on said telephone body, said handset having a receiving portion and a sending portion at opposite ends thereof connected by a longitudinally extending junction portion, said receiving and sending portions having opposing inside faces extending from opposite ends of said junction portion to define a holding recess for receiving said projected portion of said telephone body with said inside faces of said handset being respectively adjacent said end faces of said projected portion, said handset being mountable on and removable from said telephone body in a predetermined mounting direction substantially perpendicular to said longitudinally extending junction portion; and

c. means for locking said projected portion of said telephone body in said holding recess of said handset, said locking means including;

a first engagement recess formed in one of said inside faces of said handset and a second engagement recess formed in the other of said inside faces of said handset, said first engagement recess including a bottom holding face extending substantially perpendicular to said mounting direction.

first and second engagement blocks each disposed in said projected portion of said telephone body and extending outwardly from one of said end faces of said projected portion, said first and second engagement blocks having respective first and second pawl portions configured to fit into said corresponding first and second engagement recesses of said handset, at least said first engagement block moving in a direction substantially perpendicular to said mounting direction and said first pawl portion including a bottom engagement face extending substantially parallel to and in contact with said bottom holding face of said first engagement recess at times when said first pawl portion is fit into said first engagement recess, said first engagement block including a cam face,

spring means for biasing said first and second engagement blocks to move in opposite directions away from each other, and

an unlocking button disposed in said telephone body and movable toward and away from said first engagement block in a direction substantially perpendicular to the direction of movement of said first engagement block, said unlocking button including an actuating portion that engages said cam face of said first engagement block and moves said first engagement block against said spring means to disengage said first pawl portion from said first engagement recess in response to said unlocking button being moved toward said first engagement block.

2. The telephone set as defined in claim 1, wherein:

said junction portion of said handset includes a grasping portion proximate said sending portion; and

said unlocking button has an exposed button portion connected to said actuating portion and located on an exterior portion of said telephone body proximate said grasping portion of said handset at times when said projected portion of said telephone body is disposed in said holding recess of said handset.